{"title":"Thermopompe Murale YORK Série P | Montréal, Laval, Rive Sud","description":null,"products":[{"product_id":"thermopompe-murale-york-serie-p-18-seer-9000-btu-115v","title":"YORK P Series Wall-Mounted Heat Pump 18 SEER | 9000 BTU 115V","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA compact 115 V wall-mounted solution for small areas, with technical specifications that must be read carefully\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eFor certain \u003cstrong\u003ewall-mounted heat pump projects in Montreal, Laval, Longueuil, the North Shore, or the South Shore\u003c\/strong\u003e, 9,000 BTU is exactly what is needed: a bedroom, office, small condo, a separate area of a house, or a commercial space of limited size. The \u003cstrong\u003eYORK P Series DHP09CSB11S \/ DHP09NWB11S\u003c\/strong\u003e adds an interesting feature to this category: it operates at \u003cstrong\u003e115 V\u003c\/strong\u003e, whereas many residential wall-mounted heat pumps are powered by 208\/230 V.\u003c\/p\u003e\n\u003cp\u003eHowever, this feature does not mean that it can simply be plugged into an existing wall outlet. This is precisely the kind of detail that can completely change the quality of an installation. At \u003cstrong\u003eAirGreen\u003c\/strong\u003e, we assess the system as a whole: actual heating and cooling load, available electrical circuit, indoor unit location, condensate drainage, piping length, outdoor unit location, and expected performance when temperatures drop in winter.\u003c\/p\u003e\n\u003cp\u003eIt is also important to clarify a point concerning the name \u003cstrong\u003e“P Series 18 SEER”\u003c\/strong\u003e. The YORK catalog does indeed present this family as the \u003cstrong\u003eP Series 18 SEER\u003c\/strong\u003e, but the technical table for the specific 9,000 BTU 115 V model indicates a \u003cstrong\u003eSEER rating of 16\u003c\/strong\u003e, an EER of 9.55, and an HSPF of 9. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e The current YORKNow network catalog also identifies the \u003cstrong\u003eDHP09CSB11S \/ DHP09NWB11S\u003c\/strong\u003e pair as a 0.75-ton system rated at \u003cstrong\u003e16 SEER\u003c\/strong\u003e, associated with \u003cstrong\u003eAHRI number 8578529\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis distinction is important: \u003cstrong\u003e18 SEER describes the product line\u003c\/strong\u003e, while the certified performance of the 9,000 BTU 115 V model must be read in its own technical data sheet.\u003c\/p\u003e\n\u003ch3\u003eDHP09CSB11S outdoors, DHP09NWB11S indoors: the exact combination\u003c\/h3\u003e\n\u003cp\u003eThe YORK P Series referred to here is a \u003cstrong\u003esingle-zone wall-mounted heat pump with an inverter compressor\u003c\/strong\u003e consisting of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit: DHP09CSB11S\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor unit: DHP09NWB11S\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNominal cooling capacity: 9,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNominal heating capacity: 9,600 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePower supply: 115 V, single-phase, 60 Hz\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant: R-410A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAHRI: 8578529\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSEER: 16 for this specific combination\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER: 9.55\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF: 9\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe compressor’s modulation is a much more relevant point than nominal capacity alone. In cooling mode, YORK indicates an approximate range of \u003cstrong\u003e2,764 to 10,918 BTU\/h\u003c\/strong\u003e. In heating mode, the published range is \u003cstrong\u003e2,081 to 12,283 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis means that the heat pump does not operate solely according to an on-off principle at 9,000 BTU. It can reduce or increase its output according to demand. In a room with moderate needs, this modulation helps achieve a more stable temperature and limits repeated starts and stops.\u003c\/p\u003e\n\u003ch3\u003eWhy a 9,000 BTU heat pump should not be selected based solely on floor area\u003c\/h3\u003e\n\u003cp\u003eWe regularly encounter overly simplified reasoning: a certain floor area would automatically correspond to 9,000, 12,000, or 18,000 BTU.\u003c\/p\u003e\n\u003cp\u003eIn the field, this shortcut can lead to a poor choice.\u003c\/p\u003e\n\u003cp\u003eA room on the top floor with large south-facing windows does not have the same load as a room of identical size on the ground floor and protected from the sun. Insulation, the number of windows, ceiling height, exposure, building airtightness, and adjacent spaces must also be taken into account.\u003c\/p\u003e\n\u003cp\u003eFor a \u003cstrong\u003e9,000 BTU wall-mounted heat pump\u003c\/strong\u003e, the right goal is therefore not to choose the largest unit that fits the budget. A properly sized unit can run longer at a lower output, maintain a more consistent temperature, and better control humidity in cooling mode.\u003c\/p\u003e\n\u003ch3\u003eAn interesting 115 V power supply, but with an MCA of 17 A and an MOCP of 25 A\u003c\/h3\u003e\n\u003cp\u003eThe 115 V is probably the feature that will attract the most attention on this YORK unit.\u003c\/p\u003e\n\u003cp\u003eThe documentation for model DHP09CSB11S states:\u003c\/p\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eElectrical data\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated voltage\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e115 V \/ 1 phase \/ 60 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated cooling current\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e10.9 A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated heating current\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e10.2 A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCA – minimum circuit ampacity\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e17 A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMOCP – maximum overcurrent protection\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e25 A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eThese values are indicated directly in the YORK documentation. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe essential point is this: \u003cstrong\u003e115 V does not mean a portable appliance or a connection to an available 15 A outlet in the room\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWith an \u003cstrong\u003eMCA of 17 A\u003c\/strong\u003e, the electrical supply must be verified and installed according to the equipment requirements and applicable electrical standards. At AirGreen, we therefore do not select this model simply because a home has 120 V power. We check the circuit, protection, power-supply routing, and installation constraints before confirming the configuration.\u003c\/p\u003e\n\u003cp\u003eThis is particularly relevant during renovations in \u003cstrong\u003eMontreal\u003c\/strong\u003e, in certain plexes, older homes, or small commercial spaces where electrical availability can become a determining factor in the project.\u003c\/p\u003e\n\u003ch3\u003eHeating down to -20 °C: what this value really means\u003c\/h3\u003e\n\u003cp\u003eYORK specifies a heating operating range of \u003cstrong\u003e-20 °C to 24 °C\u003c\/strong\u003e for the DHP09CSB11S and an outdoor cooling range extending approximately from \u003cstrong\u003e-18 °C to 46 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHowever, a common misunderstanding should be avoided.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOperating at -20 °C does not mean producing 9,600 BTU\/h at -20 °C.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 9,600 BTU\/h represents the nominal capacity measured under the test conditions specified for this rating. As the outdoor temperature drops, a heat pump's capacity and efficiency may decrease. For a Greater Montréal homeowner, this difference is important because temperatures below -15 °C are part of a normal winter.\u003c\/p\u003e\n\u003cp\u003eWe therefore consider this YORK P Series to be a solution whose suitability depends on the building and intended use. For an additional room, a space where another heating source is available, or a project where electrical constraints favor 115 V, it may meet a specific need. When looking for a heat pump intended to provide a very large share of the heating during Québec's coldest periods, we generally compare its low-temperature performance with that of recent models designed specifically for the \u003cstrong\u003ecold climate\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eAirflow, sound pressure, and room comfort\u003c\/h3\u003e\n\u003cp\u003eThe DHP09NWB11S indoor unit offers four published airflow values:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e318 \/ 288 \/ 241 \/ 171 CFM\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe corresponding sound pressure level ranges from \u003cstrong\u003e42 to 28 dB(A)\u003c\/strong\u003e depending on the speed. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe minimum level of 28 dB(A) is particularly relevant when a unit must be installed in a bedroom or office. Nevertheless, it should be remembered that the actual perceived sound level also depends on the appliance's location, the room's acoustics, the fan speed, and the required load.\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit is rated at \u003cstrong\u003e53 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn Montréal or in dense residential areas of \u003cstrong\u003eLaval, Longueuil, Boucherville, Saint-Lambert or the North Shore\u003c\/strong\u003e, the outdoor unit's position therefore deserves as much attention as its sound rating: bedroom distance, walls that may reflect sound, neighbors, access for servicing, and snow accumulation should all be considered before drilling through the wall.\u003c\/p\u003e\n\u003ch3\u003eVertical and horizontal louvers: a frequently overlooked comfort detail\u003c\/h3\u003e\n\u003cp\u003eAir direction is particularly important with a small wall-mounted heat pump. A 9,000 BTU unit installed in the wrong location may direct its airflow straight toward a bed, workstation, or table.\u003c\/p\u003e\n\u003cp\u003eThe YORK catalogue explicitly lists \u003cstrong\u003eAuto Swing vertical\u003c\/strong\u003e in the specifications for the 115 V model. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe general feature table for the \u003cstrong\u003eP Series\u003c\/strong\u003e also presents \u003cstrong\u003e3D Auto Swing\u003c\/strong\u003e, described by YORK as automatic vertical and horizontal oscillation, as well as up-down and left-right sweep functions. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is why we indicate on our AirGreen page:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVertical control: automatic\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eHorizontal control: automatic\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor a previous-generation product or one from a particular batch, we nevertheless recommend confirming the exact functions of the controller supplied with the unit at the time of purchase.\u003c\/p\u003e\n\u003ch3\u003eCompact dimensions for a relatively discreet wall-mounted installation\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit measures approximately \u003cstrong\u003e31 × 11 × 8 in\u003c\/strong\u003e, or \u003cstrong\u003e790 × 275 × 200 mm\u003c\/strong\u003e, and its published net weight is approximately 20 lb.\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit measures approximately \u003cstrong\u003e33 × 21 × 12.5 in\u003c\/strong\u003e, or \u003cstrong\u003e848 × 540 × 320 mm\u003c\/strong\u003e, with a net weight of approximately 63 lb. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese dimensions are useful when planning an installation in a limited space, but they do not represent the required installation clearances. Sufficient space must still be provided around the equipment for airflow, service access, connections, and normal operation.\u003c\/p\u003e\n\u003cp\u003eIn Quebec, outdoor installation also requires special consideration of snow. A unit placed too low or in an area where snowdrifts accumulate may become surrounded by snow or ice precisely when heating is needed.\u003c\/p\u003e\n\u003ch3\u003e1\/4–3\/8 piping: a specification to verify before reusing existing lines\u003c\/h3\u003e\n\u003cp\u003eThe YORK DHP09CSB11S uses:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eLiquid: 1\/4 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGas: 3\/8 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDrain: 5\/8 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum total piping length: 49.2 ft, or 15 m\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum height difference: 33 ft, or 10 m\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese values appear in the model's technical table. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is something we systematically check when a customer wants to replace an old heat pump while keeping the existing piping. The mere fact that two copper lines are already in the wall does not mean they are automatically compatible.\u003c\/p\u003e\n\u003cp\u003eThe diameter, condition of the lines, refrigerant previously used, route length, accessibility, and quality of the connections must all be examined.\u003c\/p\u003e\n\u003ch2\u003eWhich projects is this YORK P Series 9,000 BTU 115V actually suitable for?\u003c\/h2\u003e\n\u003ch3\u003eA good example: a separate zone with a reasonable heating and cooling load\u003c\/h3\u003e\n\u003cp\u003eLet's consider a scenario we regularly encounter in \u003cstrong\u003eGreater Montreal\u003c\/strong\u003e: a homeowner has a house whose main system adequately serves most rooms, but a finished office, an upstairs bedroom, or a small addition remains too hot in summer and uncomfortable during the shoulder seasons.\u003c\/p\u003e\n\u003cp\u003eInstalling a much larger unit can create more problems than solutions. The 9,000 BTU YORK may therefore be of interest when the load calculation confirms that its capacity range suits the room and that the 115 V electrical configuration properly meets the building's requirements.\u003c\/p\u003e\n\u003cp\u003eThe same reasoning can apply to a small commercial office, a room above a garage, or certain apartments where a single-zone system is sufficient.\u003c\/p\u003e\n\u003cp\u003eHowever, we never promise that a 9,000 BTU unit will suit a room based solely on a few square feet mentioned over the phone. \u003cstrong\u003eSizing remains a technical step.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eR-410A: a previous-generation model to consider for what it is\u003c\/h3\u003e\n\u003cp\u003eThis YORK operates with \u003cstrong\u003eR-410A\u003c\/strong\u003e. The charge specified by the manufacturer is approximately \u003cstrong\u003e24.69 oz, or 0.7 kg\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor the buyer, this mainly makes it possible to properly place the product in context. It is an older platform than the newer generations of heat pumps using refrigerants such as R-32 or R-454B.\u003c\/p\u003e\n\u003cp\u003eThis does not automatically make the unit unsuitable. Rather, its price, availability, efficiency, intended use, parts, warranty, and winter performance should be compared with the solutions currently available.\u003c\/p\u003e\n\u003cp\u003eFor a new project where the priority is the best possible performance at very low temperatures or access to current financial assistance programs, comparing it with \u003cstrong\u003ecold-climate ENERGY STAR\u003c\/strong\u003e equipment is particularly relevant.\u003c\/p\u003e\n\u003ch3\u003eENERGY STAR and LogisVert: do not assume that a heat pump automatically qualifies for a rebate\u003c\/h3\u003e\n\u003cp\u003eOur product sheet identifies this combination as \u003cstrong\u003enot ENERGY STAR\u003c\/strong\u003e and \u003cstrong\u003enot ENERGY STAR – Cold Climate\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis information has a direct impact on current programs. Hydro-Québec notably requires a \u003cstrong\u003ecold-climate ENERGY STAR-certified\u003c\/strong\u003e heat pump for the LogisVert measures applicable to wall-mounted heat pumps. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTherefore, \u003cstrong\u003ethe YORK DHP09CSB11S \/ DHP09NWB11S should not be purchased on the assumption that it will receive a LogisVert rebate\u003c\/strong\u003e simply because it is a heat pump.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we prefer to verify the eligibility of the specific model before signing rather than present hypothetical financial assistance that would not apply to the installed equipment.\u003c\/p\u003e\n\u003ch3\u003eOptional Wi-Fi with CS532AH adapter\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDRCPX\u003c\/strong\u003e wireless remote is listed as the system's standard controller.\u003c\/p\u003e\n\u003cp\u003eFor Wi-Fi connectivity, YORK states that a \u003cstrong\u003eCS532AH adapter is required\u003c\/strong\u003e for the P and X Series. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e The catalog also specifies that the P, X, and Z Series could be controlled through the EWPE Smart app, with the adapter required for the P and X Series. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe therefore correctly classify this feature as \u003cstrong\u003eoptional Wi-Fi\u003c\/strong\u003e, not built-in Wi-Fi.\u003c\/p\u003e\n\u003cp\u003eSince this platform dates back several years, a customer who now considers mobile connectivity an essential feature should confirm the adapter's availability and the app's current compatibility before installation.\u003c\/p\u003e\n\u003ch3\u003eWarranty: why registering the unit matters\u003c\/h3\u003e\n\u003cp\u003eThe 2020 YORK catalog lists a standard warranty of \u003cstrong\u003e7 years on the compressor and 5 years on parts\u003c\/strong\u003e, followed by coverage extended to \u003cstrong\u003e10 years on the compressor and 10 years on parts\u003c\/strong\u003e after eligible equipment registration. Extended labor protection is also presented as a separate option. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOur AirGreen product sheet therefore presents the product coverage as \u003cstrong\u003e10-10-0 years\u003c\/strong\u003e, meaning compressor, parts, and no manufacturer labor warranty included in this notation, with the possibility of additional coverage.\u003c\/p\u003e\n\u003cp\u003eThe key point is simple: \u003cstrong\u003esystem registration should not be forgotten after installation\u003c\/strong\u003e. For a unit whose extended coverage depends on registration, this step can represent several additional years of protection.\u003c\/p\u003e\n\u003ch3\u003eThe five mistakes we aim to avoid with this model\u003c\/h3\u003e\n\u003cp\u003eWhen a 9,000 BTU 115 V YORK P Series unit is being considered, several mistakes occur more often than others:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoosing the model solely because it operates at 115 V.\u003c\/strong\u003e The 17 A MCA and 25 A MOCP require a proper electrical assessment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterpret “heating down to -20°C” as “9,600 BTUs available at -20°C.”\u003c\/strong\u003e A minimum operating temperature is not a guarantee of rated capacity at that temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReading “P Series 18 SEER” as the exact rating for this model.\u003c\/strong\u003e The 9,000 BTU 115 V combination is listed at \u003cstrong\u003e16 SEER\u003c\/strong\u003e in YORK's technical documentation. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssuming that a rebate is available.\u003c\/strong\u003e This model is not identified as ENERGY STAR – Cold Climate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatically reusing old piping.\u003c\/strong\u003e The system requires a \u003cstrong\u003e1\/4–3\/8 in. connection\u003c\/strong\u003e, with precise length and elevation-difference limits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThese details may seem secondary when comparing only the prices of several heat pumps. On a job site, however, they determine whether the installation is simple, correct, and suited to the building.\u003c\/p\u003e\n\u003ch3\u003eWhy have this heat pump installed by AirGreen\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen Heat Pumps, Air Conditioning \u0026amp; Heating\u003c\/strong\u003e, we install wall-mounted systems in very different buildings throughout \u003cstrong\u003eMontreal, Laval, Longueuil, the South Shore, the North Shore, and the greater metropolitan area\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor a YORK 9,000 BTU 115 V, our work does not simply consist of mounting two units and connecting them. We examine, among other things:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe capacity actually required for the area;\u003c\/li\u003e\n\u003cli\u003ethe available electrical supply;\u003c\/li\u003e\n\u003cli\u003ethe interior wall location and air distribution;\u003c\/li\u003e\n\u003cli\u003ethe outdoor unit's position;\u003c\/li\u003e\n\u003cli\u003ethe length and diameter of the piping;\u003c\/li\u003e\n\u003cli\u003econdensate drainage;\u003c\/li\u003e\n\u003cli\u003efuture access for maintenance and service;\u003c\/li\u003e\n\u003cli\u003eexpected heating performance;\u003c\/li\u003e\n\u003cli\u003eactual eligibility for rebate programs;\u003c\/li\u003e\n\u003cli\u003ewarranty and registration conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis approach is particularly important with a unit such as the \u003cstrong\u003eYORK P Series DHP09CSB11S \/ DHP09NWB11S\u003c\/strong\u003e, whose main appeal lies in a fairly specific combination: \u003cstrong\u003e9,000 BTU, 115 V power supply, compact wall-mounted design, and heating operation down to -20 °C\u003c\/strong\u003e, but without ENERGY STAR – Cold Climate certification.\u003c\/p\u003e\n\u003cp\u003eFor some buildings, this combination meets the need very well. For others, a newer heat pump better suited to extreme cold will be a more logical investment. Our role is to make this distinction before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre you considering the YORK P Series 9000 BTU 115 V, or would you like to compare it with a newer wall-mounted heat pump? Contact AirGreen for a quote and a recommendation tailored to your property in Montreal, Laval, Longueuil, the North Shore, or the South Shore. We can check the capacity, electrical installation, piping configuration, and options currently eligible for financial assistance before you make your decision.\u003c\/strong\u003e\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":56120362729764,"sku":"DHP09CSB11S","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_THERMOPOMPE_MURALE_YORK_SERIE_P_9000_BTU_115V_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_c815936f-ae65-412f-b2af-276f0b71bca4.png?v=1789426073"},{"product_id":"thermopompe-murale-york-serie-p-18-seer-12000-btu-115v","title":"YORK P Series Wall-Mounted Heat Pump 18 SEER | 12000 BTU 115V","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA compact 115 V wall-mounted heat pump for projects where the electrical supply matters as much as comfort\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYORK P Series 12,000 BTU 115 V wall-mounted heat pump\u003c\/strong\u003e holds a distinctive place among ductless systems. Its rated capacity of \u003cstrong\u003e12,000 BTU\/h in cooling\u003c\/strong\u003e, operation on \u003cstrong\u003e115 V\u003c\/strong\u003e, Inverter technology compressor, and heating capacity down to \u003cstrong\u003e-20 °C\u003c\/strong\u003e make it an option worth considering for certain apartments, condominiums, older homes, offices, or additions where a 208\/230 V installation is not necessarily the most practical solution.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, when we assess a wall-mounted heat pump installation in \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore, or the South Shore\u003c\/strong\u003e, we never look only at the number of BTUs. The available voltage, electrical panel capacity, room layout, refrigerant line length, possible outdoor unit location, and the homeowner’s expectations for winter heating directly influence the choice.\u003c\/p\u003e\n\u003cp\u003eThe pair that interests us here is very specific:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit: DHP12CSB11S\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor unit: DHP12NWB11S\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated cooling capacity: 12,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated heating capacity: 13,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePower supply: 115 V, single-phase, 60 Hz\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant: R-410A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant piping: 1\/4 in. liquid and 3\/8 in. gas\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHeating operation: down to -20 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWi-Fi: available with adapter\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAHRI listed on our product sheet: 8578533\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe YORK brochure confirms a modulating capacity for this combination of \u003cstrong\u003e3,753 to 12,500 BTU\/h in cooling\u003c\/strong\u003e and \u003cstrong\u003e3,412 to 15,013 BTU\/h in heating\u003c\/strong\u003e, with an EER of 10.55, a SEER of 16, and an HSPF of 9. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eAn important clarification about the name “P Series 18 SEER”\u003c\/h3\u003e\n\u003cp\u003eThe commercial name of this product line can easily cause confusion. YORK presents the family as the \u003cstrong\u003eP Series up to 18 SEER\u003c\/strong\u003e, but the 2020 technical documentation indicates that the \u003cstrong\u003eDHP12NWB11S \/ DHP12CSB11S 12,000 BTU, 115 V pair has a SEER of 16\u003c\/strong\u003e, not 18.\u003c\/p\u003e\n\u003cp\u003eThis is a distinction we consider important at AirGreen. The maximum efficiency advertised for an entire series is not always the efficiency of each of its capacities and electrical configurations.\u003c\/p\u003e\n\u003cp\u003eIt is also important to avoid directly comparing this \u003cstrong\u003eSEER\u003c\/strong\u003e with the \u003cstrong\u003eSEER2\u003c\/strong\u003e of newer heat pumps. The YORK brochure used for this P Series applies the older SEER, EER, and HSPF metrics. When a property owner compares this unit with a current-generation R-32 or R-454B heat pump, we compare the technical specifications according to their respective evaluation methods rather than simply placing two figures side by side.\u003c\/p\u003e\n\u003ch3\u003eWhy 115 V can be beneficial in a renovation project\u003c\/h3\u003e\n\u003cp\u003eOne of the main distinguishing features of the \u003cstrong\u003eDHP12CSB11S\u003c\/strong\u003e model is its \u003cstrong\u003e115 V\u003c\/strong\u003e power supply.\u003c\/p\u003e\n\u003cp\u003eIn many older Montreal buildings, duplexes, triplexes, certain condos, or commercial spaces developed in stages, electrical constraints can play a significant role. A 115 V unit can sometimes simplify the electrical design compared with a heat pump requiring a 208\/230 V power supply.\u003c\/p\u003e\n\u003cp\u003eHowever, this does not mean that the unit should be connected to a standard residential outlet.\u003c\/p\u003e\n\u003cp\u003eFor the 12,000 BTU model, YORK specifies:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRated cooling current: 12.4 A\u003c\/strong\u003e,\u003cbr\u003e\u003cstrong\u003eRated heating current: 13.5 A\u003c\/strong\u003e,\u003cbr\u003e\u003cstrong\u003eMCA: 20 A\u003c\/strong\u003e,\u003cbr\u003e\u003cstrong\u003eMOCP: 30 A\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe electrical installation must therefore be planned correctly. At AirGreen, we check the panel configuration, electrical routing, and equipment requirements before considering whether a 115 V system actually represents an advantage for the building.\u003c\/p\u003e\n\u003ch3\u003eA more useful modulating capacity than a simple 12,000 BTU figure\u003c\/h3\u003e\n\u003cp\u003eAn Inverter heat pump does not operate continuously at its maximum capacity. It adjusts the compressor output to the room’s actual demand.\u003c\/p\u003e\n\u003cp\u003eFor this YORK P Series, the stated cooling range is \u003cstrong\u003e3,753 to 12,500 BTU\/h\u003c\/strong\u003e. In heating mode, modulation ranges from \u003cstrong\u003e3,412 to 15,013 BTU\/h\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis range is important in a primary bedroom, living room, open-concept apartment, or office whose needs vary significantly depending on the time of day. As the temperature approaches the setpoint, the unit can reduce its capacity rather than operate only in on-off cycles.\u003c\/p\u003e\n\u003cp\u003eIn the field, this is precisely what we look for when properly sizing a system: a machine capable of operating for long periods at partial load instead of an oversized unit that reaches the target temperature quickly, shuts off, and then restarts frequently.\u003c\/p\u003e\n\u003cp\u003eAn oversized heat pump is not automatically more comfortable. It can lead to shorter cycles, less consistent humidity management, and more noticeable temperature fluctuations.\u003c\/p\u003e\n\u003ch3\u003eHeating down to -20°C: useful, but it is important to understand what this means\u003c\/h3\u003e\n\u003cp\u003eThe 12,000 BTU P Series is specified to operate in heating mode between \u003cstrong\u003e-20 °C and 24 °C outdoors\u003c\/strong\u003e. Its outdoor cooling range extends from \u003cstrong\u003e-18 °C to 46 °C\u003c\/strong\u003e. YORK also confirms the use of \u003cstrong\u003eR-410A\u003c\/strong\u003e for this generation of equipment. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHowever, operation permitted down to -20 °C does not necessarily mean that the unit delivers its full rated capacity of 13,000 BTU at -20 °C.\u003c\/p\u003e\n\u003cp\u003eThe brochure provides a rated capacity and an operating range, but this table does not give the exact heating capacity at -8 °C, -15 °C, and -20 °C for this pair. We therefore avoid making up these values.\u003c\/p\u003e\n\u003cp\u003eFor a Greater Montreal homeowner who wants to use a heat pump as the primary heating source, this point is essential. Winter temperatures in \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore, and the South Shore\u003c\/strong\u003e can fall below -20 °C. A serious analysis must then take into account the existing backup heating system and the home's actual heating load.\u003c\/p\u003e\n\u003ch3\u003eIndoor sound level: 29 dB(A) at the lowest setting\u003c\/h3\u003e\n\u003cp\u003eAcoustic comfort is particularly important when an indoor unit is installed in a bedroom, office, or small condo.\u003c\/p\u003e\n\u003cp\u003eFor the \u003cstrong\u003eDHP12NWB11S\u003c\/strong\u003e, YORK lists four sound pressure levels corresponding to the different fan speeds:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e43 \/ 39 \/ 35 \/ 29 dB(A).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe airflow rate varies accordingly between:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e400 \/ 318 \/ 241 \/ 194 CFM.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese four levels give the unit some flexibility. At low demand, an airflow rate of 194 CFM and a stated sound level of 29 dB(A) are much better suited to a bedroom than continuous operation at maximum speed.\u003c\/p\u003e\n\u003cp\u003eThe official dimensions of the 12,000 BTU indoor unit are \u003cstrong\u003e33 in wide × 11 in deep × 8 in high\u003c\/strong\u003e, or approximately \u003cstrong\u003e845 × 289 × 209 mm\u003c\/strong\u003e. The documentation indicates a net weight of approximately 22 lb. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis detail deserves emphasis because some older online listings may show a width of 31 in. For the \u003cstrong\u003eDHP12NWB11S\u003c\/strong\u003e, the YORK technical table provided in the brochure clearly indicates \u003cstrong\u003e33 × 11 × 8 in\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eVertical and horizontal louvers: true control over air distribution\u003c\/h3\u003e\n\u003cp\u003eThe air distribution of a wall-mounted heat pump directly affects the feeling of comfort. A unit can reach the right temperature while still creating an uncomfortable area if its airflow blows directly onto a sofa, bed, or desk.\u003c\/p\u003e\n\u003cp\u003eThe P Series feature table notably mentions:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3D Auto Swing, including vertical and horizontal oscillation\u003c\/strong\u003e,\u003cbr\u003e\u003cstrong\u003eUp and Down Swing\u003c\/strong\u003e,\u003cbr\u003e\u003cstrong\u003eLeft and Right Swing\u003c\/strong\u003e,\u003cbr\u003eas well as \u003cstrong\u003eFixed-Angle Swing\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis helps distribute the air over a wider area and better adapt the airflow to the room’s geometry.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, the positioning of the unit is nevertheless more important than the sophistication of the louvers. Installing a wall-mounted unit simply because a wall is available can produce a mediocre result. Instead, we look for a position that promotes natural airflow throughout the room while avoiding blowing directly on the occupants.\u003c\/p\u003e\n\u003ch3\u003eStandard Remote and Optional Wi-Fi\u003c\/h3\u003e\n\u003cp\u003eThe P Series comes with a \u003cstrong\u003eDRCPX wireless remote control\u003c\/strong\u003e. Wi-Fi is not built in directly: the documentation indicates that a \u003cstrong\u003eCS532AH adapter\u003c\/strong\u003e is required. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe mobile app can then allow certain settings to be changed from a phone or tablet. YORK documentation also mentions the EWPE Smart app for the P and X Series when the necessary adapter is installed. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a cottage, a dwelling used occasionally, or a room whose temperature must be adjusted before the occupants arrive, this option can be practical. For a homeowner who never uses remote controls, keeping the standard remote is just as reasonable.\u003c\/p\u003e\n\u003ch2\u003eInstallation in Montreal, Laval, Longueuil, on the North Shore and South Shore: the details that determine the result\u003c\/h2\u003e\n\u003ch3\u003e1\/4 in. - 3\/8 in. piping and a maximum length of 65 feet\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHP12CSB11S\u003c\/strong\u003e uses a \u003cstrong\u003e1\/4 in.\u003c\/strong\u003e liquid line and a \u003cstrong\u003e3\/8 in.\u003c\/strong\u003e gas line.\u003c\/p\u003e\n\u003cp\u003eFor the 12,000 BTU 115 V model, YORK also indicates:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003emaximum total piping length: 65 ft (20 m);\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003emaximum height difference: 33 ft (10 m);\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003edrain diameter: 5\/8 in.\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese limits can become critical in a high-floor condo, a home where the outdoor unit must be placed far from the wall-mounted indoor unit, or a project requiring several architectural elements to be bypassed.\u003c\/p\u003e\n\u003cp\u003eIn a relatively simple installation, we always try to keep the refrigerant route as direct as possible. Each additional detour affects the amount of piping, drainage, the appearance of the line-hide covers, and sometimes the project cost.\u003c\/p\u003e\n\u003ch3\u003eDrainage deserves just as much attention as the refrigerant lines\u003c\/h3\u003e\n\u003cp\u003eNot all wall-mounted heat pump problems originate in the refrigeration circuit. An improper drain slope can cause water accumulation, overflow, or recurring maintenance issues.\u003c\/p\u003e\n\u003cp\u003eBefore installation, we therefore determine:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ethe exact position of the indoor unit;\u003c\/li\u003e\n\u003cli\u003ethe piping route;\u003c\/li\u003e\n\u003cli\u003ethe condensate drain outlet;\u003c\/li\u003e\n\u003cli\u003ethe available slope;\u003c\/li\u003e\n\u003cli\u003ethe outdoor unit’s position;\u003c\/li\u003e\n\u003cli\u003ethe required electrical supply.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eWhen gravity drainage is not possible, a condensate pump may be necessary. However, we prefer natural drainage whenever the building configuration allows it, since this reduces the number of mechanical components requiring maintenance.\u003c\/p\u003e\n\u003ch3\u003eCompact outdoor unit: 33 × 21 × 12.5 in\u003c\/h3\u003e\n\u003cp\u003eThe outdoor unit \u003cstrong\u003eDHP12CSB11S\u003c\/strong\u003e measures approximately \u003cstrong\u003e33 in × 21 in × 12.5 in\u003c\/strong\u003e, or 848 × 540 × 320 mm. Its stated sound pressure level is \u003cstrong\u003e53 dB(A)\u003c\/strong\u003e. YORK also indicates a factory refrigerant charge of 31.74 oz, or approximately 0.9 kg. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese dimensions make it easier to integrate the unit on certain balconies, wall brackets, or side locations, but installation compliance always depends on the manufacturer’s clearances and the rules applicable to the building.\u003c\/p\u003e\n\u003cp\u003eIn Greater Montreal, the constraints are not the same for a bungalow on the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e, a Montreal duplex, a \u003cstrong\u003eLaval\u003c\/strong\u003e condo, or a townhouse in \u003cstrong\u003eLongueuil\u003c\/strong\u003e. The best location depends as much on service accessibility as on aesthetics and the surrounding area.\u003c\/p\u003e\n\u003ch3\u003eAn example of a situation where this 115 V YORK unit may be suitable\u003c\/h3\u003e\n\u003cp\u003eA scenario we regularly encounter during our estimates involves a homeowner who wants to cool and heat a main living area of approximately one zone, but does not want to unnecessarily modify the electrical installation.\u003c\/p\u003e\n\u003cp\u003eFor this type of project, a 12,000 BTU 115 V heat pump may be a good option if the calculated heat load actually matches this capacity.\u003c\/p\u003e\n\u003cp\u003eWe then check several factors before recommending the model:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003einsulation and sun exposure\u003c\/strong\u003e, the room’s area and volume, the number of windows, airflow to adjacent rooms, existing heating, electrical panel capacity, and the outdoor unit’s location.\u003c\/p\u003e\n\u003cp\u003eThis approach avoids a common mistake: automatically choosing 12,000 BTU solely because the area seems to match a chart found online.\u003c\/p\u003e\n\u003cp\u003eTwo homes of the same size can have very different heating loads.\u003c\/p\u003e\n\u003ch3\u003eWhen we would instead direct the customer toward another heat pump\u003c\/h3\u003e\n\u003cp\u003eThe YORK P Series 12,000 BTU 115 V is not intended for every project.\u003c\/p\u003e\n\u003cp\u003eWe would consider a different solution when a customer is primarily looking for:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ean ENERGY STAR Cold Climate-certified heat pump\u003c\/strong\u003e, documented performance at -25 °C or -30 °C, eligibility for a current subsidy based on a list of qualified equipment, a next-generation refrigerant, or significantly higher seasonal efficiency.\u003c\/p\u003e\n\u003cp\u003eThe AirGreen product sheet for this model currently indicates \u003cstrong\u003eENERGY STAR: No\u003c\/strong\u003e, \u003cstrong\u003eENERGY STAR Cold Climate: No\u003c\/strong\u003e, and no provincial LogisVert subsidy associated with the product.\u003c\/p\u003e\n\u003cp\u003eThis YORK should therefore be considered for what it is: a 115 V Inverter wall-mounted heat pump from an earlier generation, offering an interesting solution for certain targeted projects, but it should not be presented as equivalent to a latest-generation ultra-low-temperature heat pump.\u003c\/p\u003e\n\u003cp\u003eThis transparency helps a homeowner make a good decision far more than a comparison based solely on price or the number of BTUs.\u003c\/p\u003e\n\u003ch3\u003eWarranty: check the registration terms\u003c\/h3\u003e\n\u003cp\u003eOur AirGreen product sheet lists a warranty of \u003cstrong\u003e10 years on the compressor, 10 years on parts, and no manufacturer labor warranty indicated in this format\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe 2020 YORK brochure does, however, provide an important clarification: it presented a standard warranty of \u003cstrong\u003e7 years on the compressor and 5 years on parts\u003c\/strong\u003e, extended to \u003cstrong\u003e10 years on the compressor and 10 years on parts after online registration for eligible residential installations\u003c\/strong\u003e. Labor coverage was presented separately as a paid option. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor this reason, we always recommend confirming the terms applicable to the serial number of the product actually sold and completing the required registration after installation. The conditions in a brochure published several years ago should not automatically be assumed to be identical to those of the product sold today.\u003c\/p\u003e\n\u003ch3\u003eThree errors we seek to avoid with this type of installation\u003c\/h3\u003e\n\u003cp\u003eThe first is to consider the \u003cstrong\u003e115 V\u003c\/strong\u003e as permission to connect the heat pump to any existing circuit. With an MCA of 20 A and an MOCP of 30 A, the electrical design must be done correctly.\u003c\/p\u003e\n\u003cp\u003eThe second is installing the indoor unit without considering the airflow direction. Even with vertical and horizontal swing, a head aimed directly at a bed or work table can become uncomfortable.\u003c\/p\u003e\n\u003cp\u003eThe third is choosing capacity based solely on floor area. A proper \u003cstrong\u003ewall-mounted heat pump installation\u003c\/strong\u003e considers the building as a whole: insulation, windows, orientation, ceiling height, open rooms, and winter heating needs.\u003c\/p\u003e\n\u003ch3\u003eYORK P Series Maintenance\u003c\/h3\u003e\n\u003cp\u003eLike any wall-mounted heat pump, this YORK unit must maintain a clean heat exchanger and sufficient airflow.\u003c\/p\u003e\n\u003cp\u003eThe homeowner can periodically clean the accessible filters of the indoor unit. When the blower wheel, evaporator, or drain pan accumulates dust or deposits, \u003cstrong\u003edeep cleaning of a wall-mounted heat pump\u003c\/strong\u003e becomes advisable.\u003c\/p\u003e\n\u003cp\u003eReduced airflow, a persistent odor, water flowing indoors, or a significant change in performance are signs that warrant an inspection.\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit must also have sufficient clearance around its heat exchanger. In winter, snow or ice buildup around the outdoor unit can restrict airflow and compromise operation.\u003c\/p\u003e\n\u003ch3\u003eIs the YORK P Series 12,000 BTU 115 V still a suitable choice?\u003c\/h3\u003e\n\u003cp\u003eIt can be when the building’s characteristics precisely match its strengths.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e115 V\u003c\/strong\u003e power supply, relatively common \u003cstrong\u003e1\/4 in - 3\/8 in\u003c\/strong\u003e piping, compact format, Inverter modulation, heating operation down to -20 °C, and motorized louvers on both axes make it a practical solution for certain residential or light commercial projects.\u003c\/p\u003e\n\u003cp\u003eHowever, homeowners who prioritize heating in extreme cold or available rebates should compare this unit with newer generations before making a decision.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, our job is precisely to make this comparison before installation, not afterward.\u003c\/p\u003e\n\u003ch3\u003eWhy have AirGreen assess the project\u003c\/h3\u003e\n\u003cp\u003eWe install and maintain HVAC systems throughout \u003cstrong\u003eGreater Montreal\u003c\/strong\u003e, including \u003cstrong\u003eMontreal, Laval, Longueuil, Boucherville, the South Shore, and the North Shore\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eDuring an assessment, we can verify the capacity actually required, the electrical configuration, the piping route, drainage, the outdoor unit’s location, and whether investing in this model rather than a newer heat pump makes sense.\u003c\/p\u003e\n\u003cp\u003eThe goal is not to automatically sell the equipment with the most impressive specifications. We seek an installation that is appropriate for the building, budget, and intended use.\u003c\/p\u003e\n\u003ch3\u003eFAQ – YORK P Series 12,000 BTU 115 V\u003c\/h3\u003e\n\u003ch4\u003eWhat is the outdoor model number?\u003c\/h4\u003e\n\u003cp\u003eThe outdoor unit is the \u003cstrong\u003eYORK DHP12CSB11S\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003eWhat is the indoor model number?\u003c\/h4\u003e\n\u003cp\u003eThe indoor wall-mounted unit is the \u003cstrong\u003eDHP12NWB11S\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003eWhat is the cooling capacity?\u003c\/h4\u003e\n\u003cp\u003eThe rated capacity is \u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e, with an advertised modulating range of \u003cstrong\u003e3,753 to 12,500 BTU\/h\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003eWhat is the heating capacity?\u003c\/h4\u003e\n\u003cp\u003eThe rated capacity is \u003cstrong\u003e13,000 BTU\/h\u003c\/strong\u003e, with a range of \u003cstrong\u003e3,412 to 15,013 BTU\/h\u003c\/strong\u003e under the conditions specified by YORK.\u003c\/p\u003e\n\u003ch4\u003eDown to what outdoor temperature can it provide heating?\u003c\/h4\u003e\n\u003cp\u003eThe published heating operating range extends down to \u003cstrong\u003e-20 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003eDoes it operate at 115 V?\u003c\/h4\u003e\n\u003cp\u003eYes. It operates at \u003cstrong\u003e115 V, single-phase, 60 Hz\u003c\/strong\u003e. This does not eliminate the need to provide an electrical circuit that complies with the unit’s requirements.\u003c\/p\u003e\n\u003ch4\u003eWhat piping does it use?\u003c\/h4\u003e\n\u003cp\u003eThe refrigerant piping is \u003cstrong\u003e1\/4 in. for liquid and 3\/8 in. for gas\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003eWhat piping length can be installed?\u003c\/h4\u003e\n\u003cp\u003eThe documentation indicates up to \u003cstrong\u003e65 ft of total length\u003c\/strong\u003e, with a maximum height difference of \u003cstrong\u003e33 ft\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003eIs Wi-Fi included?\u003c\/h4\u003e\n\u003cp\u003eWi-Fi is \u003cstrong\u003eoptional\u003c\/strong\u003e and requires the \u003cstrong\u003eCS532AH\u003c\/strong\u003e adapter.\u003c\/p\u003e\n\u003ch4\u003eDo the louvers move automatically horizontally and vertically?\u003c\/h4\u003e\n\u003cp\u003eYes. YORK’s P Series function table lists automatic vertical and horizontal swing, as well as up\/down and left\/right movement functions.\u003c\/p\u003e\n\u003ch4\u003eIs it ENERGY STAR Cold Climate?\u003c\/h4\u003e\n\u003cp\u003eThe AirGreen product page indicates \u003cstrong\u003eNo\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003eIs it eligible for LogisVert?\u003c\/h4\u003e\n\u003cp\u003eThe AirGreen product page currently lists \u003cstrong\u003eno LogisVert rebate\u003c\/strong\u003e for this configuration. If the rebate is important for your project, we recommend comparing it with eligible heat pumps available at the time of purchase.\u003c\/p\u003e\n\u003ch3\u003eRequest an AirGreen estimate\u003c\/h3\u003e\n\u003cp\u003eAre you considering the \u003cstrong\u003eYORK P Series 12,000 BTU 115 V\u003c\/strong\u003e, or would you like to know whether a newer heat pump would be better suited to your property? \u003cstrong\u003eContact AirGreen for an estimate and an analysis of your HVAC system\u003c\/strong\u003e in Montréal, Laval, Longueuil, the North Shore, or the South Shore. We can check the capacity, electrical supply, positioning, and available options before you commit to the work.\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":56120363581732,"sku":"DHP12CSB11S","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_THERMOPOMPE_MURALE_YORK_SERIE_P_12000_BTU_115V_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_8feb076e-bcc8-431d-a22c-4793fa5cd1fc.png?v=1789426074"},{"product_id":"thermopompe-murale-york-serie-p-18-seer-9000-btu-220v","title":"YORK P Series Wall-Mounted Heat Pump 18 SEER | 9000 BTU 220V","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA particularly interesting 9,000 BTU size when a room does not need an oversized heat pump\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYORK P Series 9,000 BTU 220 V wall-mounted heat pump\u003c\/strong\u003e belongs to a category of equipment we use when a specific area needs to be treated without unnecessarily installing a much higher capacity. A primary bedroom, enclosed office, small condo, addition, or section of a home that is difficult to cool are examples where a \u003cstrong\u003e9,000 BTU\u003c\/strong\u003e unit can make much more sense than a 12,000 or 18,000 BTU unit, provided the load calculation confirms it.\u003c\/p\u003e\n\u003cp\u003eIn YORK documentation, the P Series is a \u003cstrong\u003esingle-zone mini-split range with Inverter technology\u003c\/strong\u003e. The principle is important: instead of operating continuously according to an on-or-off logic, the compressor modulates its capacity according to the heating or cooling demand. YORK explains that its ductless systems adjust refrigerant flow according to the zone’s needs and use an Inverter compressor to maintain the temperature more precisely. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor this version, the combination that interests us is very specific: the \u003cstrong\u003eDHP09NWB21S indoors and DHP09CSB21S outdoors\u003c\/strong\u003e, powered by \u003cstrong\u003e208\/230 V\u003c\/strong\u003e. YORK clearly identifies this pair as the 9,000 BTU\/h, 208\/230 V P Series heat pump. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThere is, however, a technical nuance that we believe is important to present clearly. The family’s commercial name is \u003cstrong\u003e“P Series 18 SEER”\u003c\/strong\u003e, hence this product’s title, but the performance table for the \u003cstrong\u003eDHP09NWB21S + DHP09CSB21S\u003c\/strong\u003e combination indicates a \u003cstrong\u003eSEER of 16\u003c\/strong\u003e, an \u003cstrong\u003eEER of 10\u003c\/strong\u003e, and an \u003cstrong\u003eHSPF of 9\u003c\/strong\u003e. The term “18 SEER” therefore describes the series and its maximum performance depending on the configurations, but not necessarily the exact rating for every capacity. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, this type of distinction matters. When a homeowner in \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore or the South Shore\u003c\/strong\u003e compares several heat pumps, we prefer to examine the AHRI combination and the exact numbers of both units rather than focus on the general name printed on a brochure.\u003c\/p\u003e\n\u003ch3\u003eDHP09NWB21S and DHP09CSB21S: the technical figures that really matter\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet identifies the \u003cstrong\u003eDHP09CSB21S\u003c\/strong\u003e outdoor unit, the \u003cstrong\u003eDHP09NWB21S\u003c\/strong\u003e indoor unit, and reference \u003cstrong\u003eAHRI 8578537\u003c\/strong\u003e. YORK documentation then allows us to go much further into the specific characteristics of this combination.\u003c\/p\u003e\n\u003cp\u003eThe main published specifications are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eRated cooling capacity: 9,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCooling range: 3,100 to 9,600 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated heating capacity: 9,500 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHeating range: 3,100 to 12,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER: 10\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSEER: 16 for this specific combination\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF: 9\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePower supply: 208\/230 V, single-phase, 60 Hz\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated cooling current: 4 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated heating current: 3.6 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCA: 9 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMOCP\/MOP: 15 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant: R410A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant piping: 1\/4 in. liquid and 3\/8 in. gas\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDrain: 5\/8 in.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum piping length: 49.2 ft, or 15 m\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum elevation difference: 33 ft, or 10 m\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHeating operating range: -20 °C to 24 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling operating range: -18 °C to 46 °C\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese values help clarify the role of this YORK unit. It is a small wall-mounted heat pump capable of dropping to approximately \u003cstrong\u003e3,100 BTU\/h\u003c\/strong\u003e when demand is low and increasing to as much as \u003cstrong\u003e12,000 BTU\/h in heating\u003c\/strong\u003e within its published modulation range. This range is particularly relevant in a small room, where a unit that constantly operates at full capacity would often be uncomfortable.\u003c\/p\u003e\n\u003ch3\u003eWhy a 9,000 BTU capacity may be preferable to 12,000 BTU\u003c\/h3\u003e\n\u003cp\u003eDuring our \u003cstrong\u003eair conditioning and heating projects in Greater Montreal\u003c\/strong\u003e, we regularly see the same pattern: a homeowner prefers to buy a larger unit “to be safe.” Yet in HVAC, more BTUs are not automatically an improvement.\u003c\/p\u003e\n\u003cp\u003eAn oversized unit can reach the requested temperature too quickly, shorten its operating time, and provide less effective humidity control. It may also create excessive drafts in a small bedroom.\u003c\/p\u003e\n\u003cp\u003eConversely, an undersized unit may risk operating near its limit for extended periods.\u003c\/p\u003e\n\u003cp\u003eTo determine whether the \u003cstrong\u003eYORK 9,000 BTU\u003c\/strong\u003e is suitable, we consider the room’s area, ceiling height, number and size of windows, sun exposure, insulation, floor level, and airflow to adjacent spaces.\u003c\/p\u003e\n\u003cp\u003eIn a Montreal duplex, for example, a third-floor bedroom with a large west-facing window does not necessarily have the same cooling load as a room of identical size on the shaded ground floor. That is precisely why we avoid selecting a \u003cstrong\u003ewall-mounted heat pump\u003c\/strong\u003e based solely on the number of square feet.\u003c\/p\u003e\n\u003ch3\u003eA compact indoor unit: 31 in wide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHP09NWB21S\u003c\/strong\u003e indoor unit measures approximately \u003cstrong\u003e31 × 11 × 8 in\u003c\/strong\u003e, or 790 × 275 × 200 mm according to YORK. It weighs only about 20 lb net. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis size is useful in bedrooms and offices where the available space above a door or between two walls may be limited.\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit is also relatively compact: \u003cstrong\u003e30.5 × 21 × 12.5 in\u003c\/strong\u003e, or 776 × 540 × 320 mm. The brochure indicates an outdoor sound pressure level of \u003cstrong\u003e52 dB(A)\u003c\/strong\u003e for the DHP09CSB21S. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn densely built-up areas of \u003cstrong\u003eMontréal\u003c\/strong\u003e, this size often makes positioning easier than a high-capacity condenser. However, this does not eliminate the need to comply with clearances, applicable municipal requirements, and an installation that limits disturbances for neighbors.\u003c\/p\u003e\n\u003ch3\u003eFour measured airflow rates and indoor operation down to 28 dB(A)\u003c\/h3\u003e\n\u003cp\u003eThe YORK specifications list four airflow values for the DHP09NWB21S:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e318 \/ 288 \/ 241 \/ 171 CFM\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe corresponding sound pressure level ranges from \u003cstrong\u003e42 \/ 38 \/ 34 \/ 28 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe minimum level of \u003cstrong\u003e28 dB(A)\u003c\/strong\u003e is particularly relevant for installation in a bedroom. However, the actual perceived noise depends not only on the figure listed in the technical specifications. The evaporator’s position, its proximity to the bed, vibrations transmitted to the wall, and even the cleanliness of the blower wheel can change the acoustic perception.\u003c\/p\u003e\n\u003cp\u003eDuring an \u003cstrong\u003eHVAC installation\u003c\/strong\u003e, we therefore try to avoid placing the unit directly a few feet from the face of someone sleeping. A quiet heat pump installed in the wrong place can become more bothersome than a slightly louder unit that is better positioned.\u003c\/p\u003e\n\u003ch3\u003eAutomatic vertical and horizontal louvers: a useful feature in small spaces\u003c\/h3\u003e\n\u003cp\u003eThe P Series features a more comprehensive air-control system than a simple vertical louver. The YORK function chart lists \u003cstrong\u003e3D Auto Swing\u003c\/strong\u003e, described as automatic vertical and horizontal sweeping. The P range also offers up-down and left-right swing, as well as fixed-angle adjustment. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is consistent with the AirGreen product sheet, which states:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVertical control: Auto\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eHorizontal control: Auto\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor us, this feature is more useful than it may seem. In a narrow room, it is often preferable to direct the air lengthwise rather than straight toward the opposite wall. In a bedroom, we can direct the airflow to reduce the direct draft over the bed. In a small living room opening onto a kitchen, horizontal movement can help distribute the air more evenly.\u003c\/p\u003e\n\u003cp\u003eHowever, louver movement does not turn a single-zone heat pump into a multi-zone system. A closed door remains a significant barrier to air circulation.\u003c\/p\u003e\n\u003ch3\u003eWi-Fi: yes, but with an adapter\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet correctly indicates \u003cstrong\u003eoptional Wi-Fi\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eYORK documentation specifies that the P and X Series use the \u003cstrong\u003eEWPE Smart App\u003c\/strong\u003e and require the \u003cstrong\u003eCS532AH\u003c\/strong\u003e adapter to enable this function. The app then allows the system to be controlled from a phone or tablet. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDRCPX\u003c\/strong\u003e infrared remote control, on the other hand, comes standard with the P and X Series. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis distinction avoids a fairly common misunderstanding: the presence of the Wi-Fi symbol in a brochure does not necessarily mean that connectivity is already built into the wall-mounted unit.\u003c\/p\u003e\n\u003ch3\u003eHeating down to -20 °C: understanding what this figure means\u003c\/h3\u003e\n\u003cp\u003eYORK provides a heating operating range of \u003cstrong\u003e-4 °F to 75 °F\u003c\/strong\u003e, corresponding to \u003cstrong\u003e-20 °C to 24 °C\u003c\/strong\u003e, for the DHP09CSB21S. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHowever, a misinterpretation must be avoided. An operating limit of \u003cstrong\u003e-20 °C\u003c\/strong\u003e does not automatically mean that the unit still produces its \u003cstrong\u003e9,500 nominal BTUs\u003c\/strong\u003e when the outdoor air temperature is -20 °C.\u003c\/p\u003e\n\u003cp\u003eThe supplied brochure does not provide a detailed capacity table for this combination at -8 °C, -15 °C, and -20 °C. We therefore cannot arbitrarily assign a heating capacity at these temperatures.\u003c\/p\u003e\n\u003cp\u003eThis is particularly important in Quebec. A homeowner in \u003cstrong\u003eLaval, Terrebonne, Blainville, Longueuil, or Boucherville\u003c\/strong\u003e who wants their heat pump to be the primary heating source must distinguish three elements: the minimum operating temperature, the capacity actually available at that temperature, and the corresponding energy efficiency.\u003c\/p\u003e\n\u003cp\u003eThe 9,000 BTU YORK P can therefore operate within the published range down to -20 °C, but the provided documentation does not allow us to affirm that it retains 100% of its rated capacity at that temperature.\u003c\/p\u003e\n\u003ch3\u003eENERGY STAR and subsidies: do not confuse cold-weather operation with cold-climate certification\u003c\/h3\u003e\n\u003cp\u003eThe current product sheet provided by AirGreen classifies this model as \u003cstrong\u003eENERGY STAR: No\u003c\/strong\u003e and \u003cstrong\u003eENERGY STAR Cold Climate: No\u003c\/strong\u003e. The provincial subsidy section does not display an amount.\u003c\/p\u003e\n\u003cp\u003eThis information is consistent with the product's positioning: a heat pump may be capable of operating below zero without carrying \u003cstrong\u003eENERGY STAR cold-climate\u003c\/strong\u003e certification.\u003c\/p\u003e\n\u003cp\u003eFor a customer whose absolute priority is access to a Quebec subsidy, we recommend verifying the AHRI number's eligibility at the time of submission rather than assuming that a heat pump is eligible simply because it heats at low temperatures. Programs and criteria may change, while the exact combination number remains the item to verify.\u003c\/p\u003e\n\u003ch3\u003eSEER, SEER2, HSPF, and HSPF2: be mindful of different standards generations\u003c\/h3\u003e\n\u003cp\u003eThe attached YORK brochure dates from \u003cstrong\u003eNovember 2020\u003c\/strong\u003e. It therefore primarily uses the older \u003cstrong\u003eSEER, EER, and HSPF\u003c\/strong\u003e metrics. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor the DHP09NWB21S with DHP09CSB21S, it publishes \u003cstrong\u003eSEER 16, EER 10, and HSPF 9\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eA SEER value should not be taken and simply renamed SEER2, nor should an approximate conversion be made when the official rating for the combination is unavailable. The testing procedures are not identical.\u003c\/p\u003e\n\u003cp\u003eOn a product page intended to properly inform a homeowner, we prefer to clearly separate:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003econfirmed historical data from the YORK brochure\u003c\/strong\u003e,\u003cbr\u003e\u003cstrong\u003ecurrent AHRI data when available\u003c\/strong\u003e,\u003cbr\u003eand \u003cstrong\u003ecurrent subsidy classifications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis method reduces errors that sometimes arise when an older heat pump is integrated into a modern database designed around the SEER2 and HSPF2 fields.\u003c\/p\u003e\n\u003ch2\u003eWhat the installation actually changes regarding the comfort, noise, and lifespan of this YORK\u003c\/h2\u003e\n\u003ch3\u003e1\/4 in – 3\/8 in piping: a detail to check during a replacement\u003c\/h3\u003e\n\u003cp\u003eThe 9,000-BTU combination uses a \u003cstrong\u003e1\/4 in.\u003c\/strong\u003e liquid line and a \u003cstrong\u003e3\/8 in.\u003c\/strong\u003e gas line. YORK limits the total piping length to \u003cstrong\u003e49.2 feet\u003c\/strong\u003e, with a maximum height difference of \u003cstrong\u003e33 feet\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis information becomes particularly important when a customer wants to replace an older heat pump while keeping the existing piping.\u003c\/p\u003e\n\u003cp\u003eWe never assume that an older 9,000- or 12,000-BTU system automatically has the correct diameters. We check the lines, their condition, length, and compatibility before deciding whether they can be reused.\u003c\/p\u003e\n\u003cp\u003eImproper piping can cause problems with refrigerant flow, oil return, and compressor operation. On a \u003cstrong\u003eheat pump installation in Montreal or on the South Shore\u003c\/strong\u003e, this check takes a few minutes but can prevent a much more costly problem after commissioning.\u003c\/p\u003e\n\u003ch3\u003e208\/230 V electrical circuit: MCA 9 A and maximum protection 15 A\u003c\/h3\u003e\n\u003cp\u003eThe term “220 V” used commercially corresponds here to a nominal supply of \u003cstrong\u003e208\/230 V, 1 phase, 60 Hz\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eYORK specifies for the heat pump:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMCA: 9 A\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eMOCP: 15 A\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMCA represents the minimum required circuit ampacity, while MOCP or MOP indicates the maximum overcurrent protection recommended by the manufacturer.\u003c\/p\u003e\n\u003cp\u003eFor the installation, we check the nameplate data for the equipment actually delivered as well as the available circuit. This is more reliable than choosing a circuit breaker solely based on the number of BTUs.\u003c\/p\u003e\n\u003ch3\u003eDrainage deserves as much attention as the refrigeration lines\u003c\/h3\u003e\n\u003cp\u003eThe DHP09NWB21S drain is specified at \u003cstrong\u003e5\/8 po\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOn a wall-mounted heat pump, a significant portion of water-related service calls is not caused by the refrigeration circuit but by condensate drainage: insufficient slope, dirt buildup, a crushed line, an improper connection, or a blockage.\u003c\/p\u003e\n\u003cp\u003eWe therefore pay close attention to the drain route during installation. A line that looks aesthetically pleasing but rises slightly behind a wall can become problematic on very humid days in July.\u003c\/p\u003e\n\u003cp\u003eIn \u003cstrong\u003eMontreal\u003c\/strong\u003e apartments and plexes, where layouts can be complex, it can sometimes be better to choose a slightly more visible but technically correct route than a hidden path that compromises airflow.\u003c\/p\u003e\n\u003ch3\u003eMaintenance: why 318 CFM today does not guarantee 318 CFM after several seasons\u003c\/h3\u003e\n\u003cp\u003eThe documentation specifies up to \u003cstrong\u003e318 CFM\u003c\/strong\u003e of airflow. This figure obviously assumes that the unit is operating under normal conditions and that the filters, heat exchanger, and blower wheel allow adequate circulation.\u003c\/p\u003e\n\u003cp\u003eOver time, dust can accumulate on the blower wheel. Airflow gradually decreases, and the owner may become accustomed to the change without realizing it. The unit may then run longer, become noisier, or produce less uniform air distribution.\u003c\/p\u003e\n\u003cp\u003eProper \u003cstrong\u003eHVAC maintenance\u003c\/strong\u003e therefore involves more than simply cleaning the filters superficially. When the unit is heavily used for cooling, inspecting the evaporator, blower wheel, and drain becomes particularly relevant.\u003c\/p\u003e\n\u003ch3\u003eWarranty: 10 years on the compressor and parts after the applicable registration requirements are met\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen listing indicates a warranty of \u003cstrong\u003e10 years on the compressor – 10 years on parts – 0 years on labor\u003c\/strong\u003e for this offer.\u003c\/p\u003e\n\u003cp\u003eThe YORK brochure explains the original warranty structure more precisely: \u003cstrong\u003e7 years on the compressor and 5 years on parts under the standard warranty\u003c\/strong\u003e, with an extension to \u003cstrong\u003e10 years on the compressor and 10 years on parts\u003c\/strong\u003e after online registration for eligible residential installations. Ten years of labor coverage was also offered as a separate option. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis difference explains why registering the equipment after installation is important. We always recommend keeping the model numbers, serial numbers, invoice, and proof of installation with the property documents.\u003c\/p\u003e\n\u003ch3\u003eA typical scenario: small bedroom, oversized unit proposed elsewhere\u003c\/h3\u003e\n\u003cp\u003eA case we regularly encounter in our estimates is that of a small area where the owner received a recommendation for \u003cstrong\u003e12,000 BTU simply because that capacity is more commonly in stock\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eOur approach is instead to look at the actual load.\u003c\/p\u003e\n\u003cp\u003eIf a closed room can be properly served by a 9,000 BTU unit, installing more capacity does not necessarily provide greater comfort. The DHP09NWB21S can go down to approximately \u003cstrong\u003e171 CFM at the lowest published airflow\u003c\/strong\u003e, with an indoor sound pressure level of \u003cstrong\u003e28 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e This corresponds precisely to the type of operation sought in a room where quietness and gentle airflow matter as much as maximum power.\u003c\/p\u003e\n\u003cp\u003eConversely, we never force a 9,000 BTU unit into an open-concept area that genuinely requires more capacity simply to take advantage of the unit’s compact size.\u003c\/p\u003e\n\u003ch3\u003eWhy choose AirGreen for a YORK installation in Greater Montréal\u003c\/h3\u003e\n\u003cp\u003eFor us, selling a \u003cstrong\u003eYORK wall-mounted heat pump\u003c\/strong\u003e does not simply mean delivering two boxes.\u003c\/p\u003e\n\u003cp\u003eThe quality of the result depends on capacity selection, indoor unit placement, condenser support, refrigerant-line routing, drain slope, electrical circuit, outdoor-air discharge, and commissioning.\u003c\/p\u003e\n\u003cp\u003eWe work with the particular realities of buildings in \u003cstrong\u003eMontréal, Laval, Longueuil, the North Shore, the South Shore, and Montérégie\u003c\/strong\u003e: plexes with masonry walls, condos with condominium regulations, homes with limited available façade space, difficult piping routes, balcony installations, and replacements where existing lines must be carefully inspected.\u003c\/p\u003e\n\u003cp\u003eThat is also why we analyze the exact model numbers rather than relying solely on the “18 SEER” label. For this YORK, the documentation confirms a \u003cstrong\u003e9,000 BTU DHP09NWB21S + DHP09CSB21S heat pump in 208\/230 V\u003c\/strong\u003e, with 9,500 nominal BTU in heating, heating modulation up to 12,000 BTU, R410A, 1\/4–3\/8 piping, published operation down to -20 °C, and Wi-Fi connectivity available with an adapter. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eContact AirGreen to verify whether 9,000 BTU is the right capacity\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eYORK P Series 9,000 BTU 220 V\u003c\/strong\u003e can be a highly suitable solution when installed in an area whose load truly matches its capacity. Its compact design, inverter operation, automatic vertical and horizontal louvers, low sound levels, and 1\/4–3\/8 piping make it an interesting configuration for many residential projects.\u003c\/p\u003e\n\u003cp\u003eBefore purchasing, however, we recommend confirming the required capacity, condenser location, line-set length, electrical supply, and expectations for winter heating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eContact AirGreen for a quote and a recommendation tailored to your property in Montréal, Laval, Longueuil, the North Shore, or the South Shore. We can confirm whether this 9,000 BTU YORK is suitable for your area or guide you toward a more appropriate capacity when the project calculation requires it.\u003c\/strong\u003e\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":56120363811108,"sku":"DHP09CSB21S","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_THERMOPOMPE_MURALE_YORK_SERIE_P_9000_BTU_220V_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_c6e2e1c9-e5f7-4bcc-8c51-d8f54bb14565.png?v=1789426074"},{"product_id":"thermopompe-murale-york-serie-p-18-seer-12000-btu-220v","title":"YORK P Series Wall-Mounted Heat Pump 18 SEER | 12000 BTU 220V","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA YORK P Series 12,000 BTU wall-mounted heat pump designed for simple, precise, and efficient control of a zone\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYORK P Series 12,000 BTU 220 V wall-mounted heat pump\u003c\/strong\u003e uses a simple mini-split configuration: a wall-mounted indoor unit \u003cstrong\u003eDHP12NWB21S\u003c\/strong\u003e paired with an outdoor unit \u003cstrong\u003eDHP12CSB21S\u003c\/strong\u003e. This is a single-zone system with an \u003cstrong\u003eInverter\u003c\/strong\u003e-technology compressor, designed for both heating and cooling a room or clearly defined area.\u003c\/p\u003e\n\u003cp\u003eFor a homeowner in \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore or the South Shore\u003c\/strong\u003e, the main advantage of this configuration is its simplicity. It requires no ductwork and can directly serve an area with a specific need: a living room, open-concept area, floor, office, addition, apartment, or section of a house where the existing heating system does not distribute the temperature evenly.\u003c\/p\u003e\n\u003cp\u003eThe YORK catalog classifies the P Series among systems capable of reaching \u003cstrong\u003eup to 18 SEER\u003c\/strong\u003e. However, an important technical clarification is needed for the reference presented here: the exact combination \u003cstrong\u003eDHP12NWB21S + DHP12CSB21S\u003c\/strong\u003e, identified by \u003cstrong\u003eAHRI number 8578541\u003c\/strong\u003e, is listed by YORK at \u003cstrong\u003e16 SEER\u003c\/strong\u003e, not 18 SEER. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e The manufacturer's catalog also confirms that the 12,000 BTU 208\/230 V version delivers 12,000 BTU\/h in cooling and 13,000 BTU\/h nominally in heating. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis distinction is important at AirGreen: \u003cstrong\u003ethe name of a series and the certified performance of a specific combination are not always identical\u003c\/strong\u003e. We therefore prefer to work with the complete model number and AHRI number rather than with a commercial name taken in isolation.\u003c\/p\u003e\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cp\u003eFor the YORK \u003cstrong\u003eDHP12NWB21S \/ DHP12CSB21S\u003c\/strong\u003e combination, the manufacturer's data provides a much more precise picture than simply stating “12,000 BTU”:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e single-zone, wall-mounted mini-split heat pump, Inverter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndoor unit:\u003c\/strong\u003e DHP12NWB21S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor unit:\u003c\/strong\u003e DHP12CSB21S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAHRI number:\u003c\/strong\u003e 8578541\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal cooling capacity:\u003c\/strong\u003e 12,000 BTU\/h\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling modulation range:\u003c\/strong\u003e approximately 3,753 to 12,500 BTU\/h\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal heating capacity:\u003c\/strong\u003e 13,000 BTU\/h\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating modulation range:\u003c\/strong\u003e approximately 3,924 to 14,000 BTU\/h\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified efficiency of this combination:\u003c\/strong\u003e 16 SEER, HSPF 9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower supply:\u003c\/strong\u003e 208\/230 V, single-phase, 60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMCA:\u003c\/strong\u003e 9 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOCP\/MOP:\u003c\/strong\u003e 15 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefrigerant:\u003c\/strong\u003e R-410A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefrigerant piping:\u003c\/strong\u003e 1\/4 in liquid line, 3\/8 in gas line\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum piping length:\u003c\/strong\u003e approximately 65 ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum height difference:\u003c\/strong\u003e approximately 33 ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndoor airflow:\u003c\/strong\u003e approximately 194 to 400 CFM, depending on speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndoor sound pressure:\u003c\/strong\u003e approximately 29 to 43 dB(A), depending on speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor sound pressure:\u003c\/strong\u003e approximately 53 dB(A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndoor dimensions listed in the catalog:\u003c\/strong\u003e approximately 33 × 11 × 8 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor dimensions:\u003c\/strong\u003e approximately 30.5 × 21 × 12.5 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi:\u003c\/strong\u003e optional with a compatible adapter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless remote control:\u003c\/strong\u003e included according to YORK documentation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating operation:\u003c\/strong\u003e down to approximately -20 °C, according to the manufacturer's operating range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe dimensions, electrical data, sound levels, refrigerant connections, and piping limits for this combination are detailed in the YORK technical table. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy the 18 SEER designation deserves an explanation\u003c\/h3\u003e\n\u003cp\u003eThe term \u003cstrong\u003e“18 SEER P Series”\u003c\/strong\u003e refers to the product family as it was marketed, with P Series configurations capable of reaching 18 SEER. However, the 12,000 BTU combination covered by this page is certified at \u003cstrong\u003e16 SEER under AHRI 8578541\u003c\/strong\u003e. YORK still explicitly lists it as a 1-ton, 16 SEER P Series heat pump. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIt is also important to avoid automatically mixing up \u003cstrong\u003eSEER and SEER2\u003c\/strong\u003e. This YORK generation was evaluated using the former SEER\/HSPF certification methods. A SEER2 value should therefore not be invented by mathematically converting the original SEER. To compare this system with a current wall-mounted heat pump, we instead recommend comparing the complete AHRI directories and low-temperature capacities.\u003c\/p\u003e\n\u003cp\u003eThis approach avoids an error we regularly see in the \u003cstrong\u003eHVAC industry in Montreal and Greater Montreal\u003c\/strong\u003e: comparing two heat pumps solely because their nominal capacity is 12,000 BTU, even though their modulation, winter efficiency, certification, and low-temperature performance may be very different.\u003c\/p\u003e\n\u003ch3\u003eHeating down to -20 °C: what this figure really means\u003c\/h3\u003e\n\u003cp\u003eThe YORK catalogue indicates a \u003cstrong\u003eheating operating range down to -20 °C\u003c\/strong\u003e for this P Series. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e It is essential to understand that this is a \u003cstrong\u003eminimum operating temperature\u003c\/strong\u003e, not a guarantee that the unit will still provide its nominal 13,000 BTU when the outdoor temperature reaches -20 °C.\u003c\/p\u003e\n\u003cp\u003eThe nominal heating capacity of 13,000 BTU is determined under much milder standardized conditions. As with all heat pumps, available capacity and efficiency vary with outdoor temperature.\u003c\/p\u003e\n\u003cp\u003eIn the climate of \u003cstrong\u003eMontréal, Laval, Longueuil, the North Shore, and the South Shore\u003c\/strong\u003e, this distinction directly affects sizing. A heat pump capable of continuing to operate at -20 °C is not automatically sized to replace all of a home’s heating on its own during a period of intense cold.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we therefore consider the building as a whole: insulation, windows, orientation, zone area, ceiling height, air infiltration, and the presence of supplemental heating.\u003c\/p\u003e\n\u003ch3\u003eMore comfortable Inverter modulation than start-stop operation\u003c\/h3\u003e\n\u003cp\u003eThe variable-speed compressor is one of the key elements of this P Series. Rather than operating only at full capacity and then shutting off, the unit can adjust its output to match demand.\u003c\/p\u003e\n\u003cp\u003eIn this 12,000 BTU configuration, YORK indicates modulation in cooling mode of approximately \u003cstrong\u003e3,753 to 12,500 BTU\/h\u003c\/strong\u003e and in heating mode of approximately \u003cstrong\u003e3,924 to 14,000 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn a properly sized room, this modulation helps limit short cycles. The unit can maintain a stable temperature for longer with an airflow suited to the actual load.\u003c\/p\u003e\n\u003cp\u003eThis is particularly relevant in a condo or open area where an oversized system could cool the room very quickly, shut off, and then restart frequently. The comfort of a \u003cstrong\u003ewall-mounted heat pump\u003c\/strong\u003e therefore depends as much on proper sizing as on its maximum capacity.\u003c\/p\u003e\n\u003ch3\u003eAutomatic vertical and horizontal louvers: a real advantage for air distribution\u003c\/h3\u003e\n\u003cp\u003eThe P Series offers more comprehensive louver control than several simpler wall-mounted units. The YORK feature chart lists \u003cstrong\u003e3D Auto Swing\u003c\/strong\u003e for the P Series, meaning automatic vertical and horizontal oscillation, in addition to up-and-down, left-to-right movements and fixed-angle positions. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis helps distribute the air more evenly in an open area instead of concentrating the airflow directly in front of the evaporator.\u003c\/p\u003e\n\u003cp\u003eFor an AirGreen installation, the indoor unit is positioned specifically with this airflow in mind. Whenever possible, we avoid placing the unit where its air stream will be immediately blocked by a tall cabinet, beam, cross wall, or large piece of furniture.\u003c\/p\u003e\n\u003cp\u003eIn cooling mode, properly directed airflow helps cool air move throughout the room. In heating mode, louver positioning affects how warm air reaches the occupied area rather than remaining near the ceiling.\u003c\/p\u003e\n\u003ch3\u003eAirflow and sound level\u003c\/h3\u003e\n\u003cp\u003eThe YORK catalog lists four airflow levels for the DHP12NWB21S, ranging from approximately \u003cstrong\u003e194 to 400 CFM\u003c\/strong\u003e. Indoor sound pressure levels drop to approximately \u003cstrong\u003e29 dB(A)\u003c\/strong\u003e at low speed and rise to approximately 43 dB(A) at the highest setting. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis makes this heat pump an interesting option for a living room, office, or bedroom when the 12,000 BTU capacity truly matches the room's load.\u003c\/p\u003e\n\u003cp\u003eMaximum airflow is still important, however. A quiet heat pump installed in the wrong location can become less comfortable if it has to constantly operate at high speed to push air toward a distant part of the room. Location selection is therefore an integral part of perceived acoustic performance.\u003c\/p\u003e\n\u003ch3\u003eOptional Wi-Fi and YORK remote control\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDRCPX\u003c\/strong\u003e wireless remote is associated with the P and X Series in YORK documentation. For phone control, YORK indicates that the P and X Series can use the \u003cstrong\u003eEWPE Smart App\u003c\/strong\u003e with the \u003cstrong\u003eCS532AH\u003c\/strong\u003e adapter. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWi-Fi is therefore not a feature we automatically consider integrated into this generation of the P Series. It is an \u003cstrong\u003eoption requiring the appropriate adapter\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor an older installation where the owner wants to add remote control, exact compatibility must also be confirmed before ordering the accessory. The indoor unit reference is more reliable than its exterior appearance for choosing the right controller.\u003c\/p\u003e\n\u003ch2\u003eInstallation of the YORK P Series in Montreal, Laval, Longueuil, the North Shore, and the South Shore: the details that make the difference\u003c\/h2\u003e\n\u003ch3\u003eThe 12,000 BTU capacity should not be chosen solely based on floor area\u003c\/h3\u003e\n\u003cp\u003eA rough square-footage rule can be useful for an initial discussion, but it is not enough to properly select a \u003cstrong\u003e12,000 BTU heat pump\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eTwo rooms of identical dimensions can have very different heating and cooling loads. A very open, heavily windowed space facing due south in \u003cstrong\u003eLongueuil\u003c\/strong\u003e may require a different approach from a room of the same size located in the center of a building in \u003cstrong\u003eMontreal\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWe examine the insulation, windows, sun exposure, number of exterior walls, floor level, ceiling height, and connections between rooms.\u003c\/p\u003e\n\u003cp\u003eAn undersized unit will often operate at high capacity. An oversized unit may reach the requested temperature too quickly without providing the same control of humidity and temperature throughout the area.\u003c\/p\u003e\n\u003ch3\u003eA scenario in which this configuration may be suitable\u003c\/h3\u003e\n\u003cp\u003eConsider an open-concept area that already has a functioning electric heating system but becomes uncomfortably hot in the summer. The homeowner wants to add air conditioning while also benefiting from heat pump heating during a significant part of the winter.\u003c\/p\u003e\n\u003cp\u003eIn this type of situation, we first check whether \u003cstrong\u003e12,000 BTU\u003c\/strong\u003e match the actual load. We then determine a wall that allows air to circulate through as much of the space as possible. Outdoors, we look for an accessible location for maintenance while respecting the required clearances.\u003c\/p\u003e\n\u003cp\u003eThe result depends much less on the brand shown on the front than on the quality of the sizing, refrigeration line routing, drainage, evacuation, and commissioning.\u003c\/p\u003e\n\u003ch3\u003eA proper installation involves much more than two units mounted on the wall\u003c\/h3\u003e\n\u003cp\u003eFor a typical YORK wall-mounted heat pump installation, our work includes several technical steps:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity validation\u003c\/strong\u003e based on the building and the area to be conditioned.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelection of indoor and outdoor locations\u003c\/strong\u003e, taking into account air distribution, noise, future maintenance, and drainage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation of 1\/4 in – 3\/8 in piping\u003c\/strong\u003e, in accordance with the connections for this combination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e208\/230 V electrical connection\u003c\/strong\u003e with protection suited to the manufacturer's MCA\/MOCP requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvacuation and vacuuming of the refrigeration circuit\u003c\/strong\u003e, followed by leak testing and commissioning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating and cooling test\u003c\/strong\u003e, inspection of the drainage, louvers, and fan speeds, and explanation of the controls to the homeowner.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eFor this model, the manufacturer specifies an \u003cstrong\u003eMCA of 9 A and a maximum protection of 15 A\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e This does not mean that an installer can simply rely on an existing circuit because it already has a 15 A circuit breaker. The cable type, circuit, outdoor disconnect, and compliance of the electrical installation must also be verified.\u003c\/p\u003e\n\u003ch3\u003eThe 1\/4 in. – 3\/8 in. piping must be respected\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHP12NWB21S \/ DHP12CSB21S\u003c\/strong\u003e combination uses a \u003cstrong\u003e1\/4 in.\u003c\/strong\u003e liquid line and a \u003cstrong\u003e3\/8 in.\u003c\/strong\u003e gas line. YORK indicates a maximum total length of approximately \u003cstrong\u003e65 ft\u003c\/strong\u003e and a maximum height difference of approximately \u003cstrong\u003e33 ft\u003c\/strong\u003e for this configuration. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese details become particularly important when a heat pump is replacing an older unit.\u003c\/p\u003e\n\u003cp\u003eAutomatically reusing existing lines without checking their diameter, condition, previous refrigerant, and the new equipment’s requirements is poor practice. Even if two systems are both rated at 12,000 BTU, their connections are not necessarily identical.\u003c\/p\u003e\n\u003ch3\u003eDrainage remains a frequent source of preventable problems\u003c\/h3\u003e\n\u003cp\u003eA wall-mounted heat pump removes moisture from the air in cooling mode. The water must be properly discharged through the condensate drain.\u003c\/p\u003e\n\u003cp\u003eA drain that is improperly sloped, crushed, or incorrectly connected can eventually cause indoor leaks. Filter and evaporator maintenance also play a role: a heavily soiled unit can reduce airflow and interfere with the system’s normal operation.\u003c\/p\u003e\n\u003cp\u003eFor an older unit like this P Series generation, preventive maintenance is even more important. We check, among other things, the cleanliness of the evaporator, the blower wheel, the drain pan, the outdoor coil, and visible connections.\u003c\/p\u003e\n\u003ch3\u003eWarranty: verify equipment registration\u003c\/h3\u003e\n\u003cp\u003eYORK documentation for this generation mentions a standard warranty of \u003cstrong\u003e7 years on the compressor and 5 years on parts\u003c\/strong\u003e, with the possibility of extending it to \u003cstrong\u003e10 years on the compressor and 10 years on parts\u003c\/strong\u003e after eligible registration of a residential installation. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen listing for this configuration, for its part, shows \u003cstrong\u003e10-10-0 years\u003c\/strong\u003e: 10 years for the compressor, 10 years for parts, and no manufacturer’s labor warranty included.\u003c\/p\u003e\n\u003cp\u003eFor a unit from existing stock, we recommend always confirming the conditions applicable to the \u003cstrong\u003especific serial number\u003c\/strong\u003e, the installation date, and the registration requirements. AirGreen can also explain the additional warranty options available at the time of quotation.\u003c\/p\u003e\n\u003ch3\u003eLogisVert: this reference is not a current eligible ENERGY STAR model\u003c\/h3\u003e\n\u003cp\u003eThe specifications for this YORK P Series indicate \u003cstrong\u003eENERGY STAR: No\u003c\/strong\u003e and \u003cstrong\u003eENERGY STAR – Cold Climate: No\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis point has a direct consequence for an installation carried out today. Hydro-Québec specifies that heat pumps installed \u003cstrong\u003eas of November 26, 2025, must be ENERGY STAR certified to be eligible for the LogisVert program\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe YORK \u003cstrong\u003eDHP12NWB21S \/ DHP12CSB21S\u003c\/strong\u003e should therefore not be presented as a heat pump currently eligible for the LogisVert subsidy simply because it offers 12,000 BTU or because it can operate down to -20 °C.\u003c\/p\u003e\n\u003cp\u003eFor a homeowner whose priority is to benefit from a \u003cstrong\u003eHydro-Québec subsidy\u003c\/strong\u003e, we instead compare this option with current ENERGY STAR-certified heat pumps and, where relevant, \u003cstrong\u003eENERGY STAR – Cold Climate\u003c\/strong\u003e models. Hydro-Québec indicates, in particular, that assistance is linked to eligible cold-climate heat pumps based on their heating capacity at -8 °C. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eFor which project does this YORK P Series remain an interesting option?\u003c\/h3\u003e\n\u003cp\u003eThis configuration retains practical features: Inverter technology, 12,000 BTU cooling capacity, heating, modulation, a remote control, automatic two-way louver control, and the option to add a compatible Wi-Fi control.\u003c\/p\u003e\n\u003cp\u003eIt may be of interest when a homeowner is specifically looking for this model, when it is suitable for a compatible replacement project, or when a unit in stock is available on attractive terms.\u003c\/p\u003e\n\u003cp\u003eHowever, for a \u003cstrong\u003enew heat pump installation in Montreal, Laval, Longueuil, on the North Shore or the South Shore\u003c\/strong\u003e, we recommend comparing its final cost with that of newer models offering ENERGY STAR certification, better cold-weather performance, and potential eligibility for financial assistance programs.\u003c\/p\u003e\n\u003cp\u003eThe purchase price alone does not determine the best choice. A less expensive heat pump that is not eligible for a subsidy may end up costing more than a higher-end model once the net cost is calculated.\u003c\/p\u003e\n\u003ch3\u003eFrequently asked questions about the YORK DHP12NWB21S \/ DHP12CSB21S\u003c\/h3\u003e\n\u003ch4\u003eDoes the 12,000 BTU YORK P Series really provide heating at -20 °C?\u003c\/h4\u003e\n\u003cp\u003eThe manufacturer indicates a heating operating range down to approximately \u003cstrong\u003e-20 °C\u003c\/strong\u003e. This temperature represents a published operating limit, not a guaranteed capacity of 13,000 BTU at -20 °C. Available capacity generally decreases as the outdoor temperature drops.\u003c\/p\u003e\n\u003ch4\u003eIs this heat pump really 18 SEER?\u003c\/h4\u003e\n\u003cp\u003eThe P Series is marketed as a range of \u003cstrong\u003eup to 18 SEER\u003c\/strong\u003e, but the specific combination \u003cstrong\u003eDHP12NWB21S + DHP12CSB21S, AHRI 8578541, is certified at 16 SEER\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eAre the horizontal and vertical louvers automatic?\u003c\/h4\u003e\n\u003cp\u003eYes. YORK's function table lists \u003cstrong\u003e3D Auto Swing\u003c\/strong\u003e for the P Series, including automatic vertical and horizontal swing. It also lists up-and-down, left-and-right, and fixed-angle movement functions. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eIs Wi-Fi included?\u003c\/h4\u003e\n\u003cp\u003eNo. For this generation, YORK lists Wi-Fi as an option. The \u003cstrong\u003eCS532AH\u003c\/strong\u003e adapter is required for the P Series to use the compatible phone-control function. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eWhat piping should be used?\u003c\/h4\u003e\n\u003cp\u003eFor the 12,000 BTU 208\/230 V model presented here, the listed connections are \u003cstrong\u003e1\/4 in. for liquid and 3\/8 in. for gas\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eIs this heat pump eligible for LogisVert?\u003c\/h4\u003e\n\u003cp\u003eFor a current installation, not according to the information available for this combination. It is identified as non-ENERGY STAR, while Hydro-Québec requires ENERGY STAR certification for heat pumps installed since November 26, 2025, to qualify for the corresponding LogisVert measure. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHave your heat pump installed by AirGreen\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen Heat Pumps, Air Conditioning \u0026amp; Heating\u003c\/strong\u003e, we install and service HVAC systems throughout Greater Montreal, including \u003cstrong\u003eMontreal, Laval, Longueuil, the South Shore, and the North Shore\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eOur work does not simply consist of selecting a number of BTUs. We verify the required capacity, electrical supply, piping, drainage, clearances, airflow, and system compatibility with the homeowner's objectives.\u003c\/p\u003e\n\u003cp\u003eFor this YORK P Series model, as with a newer-generation wall-mounted heat pump, we can also compare the \u003cstrong\u003eactual cost after rebates\u003c\/strong\u003e, winter performance, and warranties so that the choice remains suitable for many years after installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eContact AirGreen to obtain a quote, check the availability of the YORK DHP12NWB21S \/ DHP12CSB21S, or compare this unit with the ENERGY STAR wall-mounted heat pumps currently available in Montreal, Laval, Longueuil, on the North Shore and the South Shore.\u003c\/strong\u003e\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":56120363843876,"sku":"DHP12CSB21S","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_THERMOPOMPE_MURALE_YORK_SERIE_P_12000_BTU_220V_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_d8b32334-1cd4-4ae1-ae98-cffe2a151c1a.png?v=1789426116"},{"product_id":"thermopompe-murale-york-serie-p-18-seer-18000-btu","title":"YORK P Series Wall-Mounted Heat Pump 18 SEER | 18000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eAn 18,000 BTU YORK wall-mounted heat pump to evaluate using the right technical data\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e18,000 BTU YORK P Series wall-mounted heat pump\u003c\/strong\u003e is intended for homeowners seeking a ductless system capable of providing both cooling and heating for a significant area of the home. In \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore, and the South Shore\u003c\/strong\u003e, this type of unit may be suitable for an open-concept floor, a large living room, an apartment, an office, or certain light commercial spaces, provided that it is properly sized for the building's actual load.\u003c\/p\u003e\n\u003cp\u003eThe system presented here combines the \u003cstrong\u003eDHP18NWB21S\u003c\/strong\u003e indoor unit with the \u003cstrong\u003eDHP18CSB21S\u003c\/strong\u003e outdoor unit. YORK documentation from 2020 confirms that this is indeed the 18,000 BTU P Series heat pump system powered by 208\/230 V. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOne point should be clarified from the outset. The name \u003cstrong\u003e“P Series 18 SEER”\u003c\/strong\u003e refers to a YORK family advertised as offering up to 18 SEER. For the specific \u003cstrong\u003eDHP18NWB21S \/ DHP18CSB21S\u003c\/strong\u003e combination, the official brochure indicates a rating of \u003cstrong\u003e16 SEER\u003c\/strong\u003e, not 18 SEER, as well as an \u003cstrong\u003eEER of 9\u003c\/strong\u003e and an \u003cstrong\u003eHSPF of 9\u003c\/strong\u003e. This distinction is important when comparing this heat pump with newer units using the new SEER2 and HSPF2 ratings. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we prefer to present this distinction clearly. A useful HVAC comparison must be based on the exact model's data, not just the series' commercial name.\u003c\/p\u003e\n\u003ch3\u003eTechnical specifications for the DHP18CSB21S \/ DHP18NWB21S model\u003c\/h3\u003e\n\u003cp\u003eFor the 18,000 BTU model, YORK documentation provides sufficiently detailed data to properly plan a \u003cstrong\u003ewall-mounted heat pump installation\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eRated cooling capacity: 18,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCooling capacity range: 7,165 to 20,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated heating capacity: 19,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHeating capacity range: 7,336 to 23,498 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSEER: 16 for this specific model\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER: 9\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF: 9\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePower supply: 208\/230 V, single-phase, 60 Hz\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCA: 16 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMOCP \/ maximum overcurrent protection: 25 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant: R-410A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCooling operating range: -18 °C to 46 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHeating operating range: -20 °C to 24 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant piping: 1\/4 in. liquid and 1\/2 in. gas\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum piping length: 82 ft, or approximately 25 m\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum elevation difference: 33 ft, or approximately 10 m\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor airflow: 471 \/ 403 \/ 341 \/ 282 CFM\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor sound pressure: 46 \/ 42 \/ 39 \/ 35 dB(A)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor sound pressure: 56 dB(A)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor unit dimensions: 38 × 12 × 9 in.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit dimensions: 38 × 28 × 16 in.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAirflow, sound, dimensions, piping, and operating range values are all specified in the YORK technical table for the 9,000, 12,000, and 18,000 BTU models in the P Series. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHeating down to -20 °C: what this data really means\u003c\/h3\u003e\n\u003cp\u003eThe statement \u003cstrong\u003eheating at -20 °C\u003c\/strong\u003e must be interpreted correctly. YORK indicates that the DHP18CSB21S can operate in heating mode down to an outdoor temperature of \u003cstrong\u003e-20 °C\u003c\/strong\u003e. This does not mean that the unit necessarily produces its nominal 19,000 BTU\/h when the outdoor temperature reaches -20 °C.\u003c\/p\u003e\n\u003cp\u003eThe brochure provides a nominal heating capacity of 19,000 BTU\/h and a modulating range of 7,336 to 23,498 BTU\/h, but it does not provide, in this table, the certified capacities at \u003cstrong\u003e-8 °C, -15 °C, or -20 °C\u003c\/strong\u003e. We therefore avoid inventing a low-temperature output that the manufacturer has not published in this documentation.\u003c\/p\u003e\n\u003cp\u003eThis distinction is particularly important in Quebec. In \u003cstrong\u003eMontreal, Laval, Longueuil, Boucherville, Terrebonne, Repentigny, or on the South Shore\u003c\/strong\u003e, a heat pump is not selected solely according to its nominal cooling capacity. We must also consider the building’s heating requirements, insulation, exposure to wind, heat loss through the windows, the area actually served, and the presence of supplemental heating.\u003c\/p\u003e\n\u003ch3\u003eInteresting modulation for everyday comfort\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eInverter\u003c\/strong\u003e technology compressor allows the unit to operate without relying solely on an on-off logic. Capacity can vary with demand, which helps maintain a more stable temperature and limits repeated cycles when the thermal load is low.\u003c\/p\u003e\n\u003cp\u003eFor the homeowner, this modulation is most noticeable during less demanding periods. A September day in Montreal does not require the same output as a heat wave in July. Similarly, maintaining a room at temperature in October does not require the same capacity as an evening in January.\u003c\/p\u003e\n\u003cp\u003eIt is precisely during these transitional periods that modulation can contribute to comfort. The goal of proper sizing is not to systematically choose the appliance displaying the highest BTU rating, but to select a capacity compatible with the zone’s actual thermal behavior.\u003c\/p\u003e\n\u003ch3\u003eAutomatic louvers in both directions\u003c\/h3\u003e\n\u003cp\u003eThe P Series has a particularly interesting feature for a wall-mounted unit: the YORK table lists \u003cstrong\u003e3D Auto Swing\u003c\/strong\u003e, meaning automatic vertical and horizontal oscillation. It also confirms the up-and-down and left-to-right swing functions, as well as fixed-angle positioning. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor the model sold by AirGreen, we therefore indicate:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVertical louvers: automatic\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eHorizontal louvers: automatic\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis feature is more important than it may seem. In a large rectangular living room, an open-concept area, or a space with an adjacent hallway, the direction of the airflow directly influences temperature uniformity. An 18,000 BTU unit installed in the wrong location may deliver less satisfactory results than a properly positioned and oriented appliance.\u003c\/p\u003e\n\u003cp\u003eDuring our \u003cstrong\u003eHVAC installations in Montreal, Laval, Longueuil, on the North Shore and the South Shore\u003c\/strong\u003e, we therefore examine not only the available wall space, but also the path of the air. Whenever possible, we avoid directing the airflow straight at a sofa, bed, or area where occupants spend extended periods.\u003c\/p\u003e\n\u003ch3\u003eFour genuinely documented airflow levels\u003c\/h3\u003e\n\u003cp\u003eFor the DHP18NWB21S indoor unit, YORK specifies airflow rates of \u003cstrong\u003e471, 403, 341, and 282 CFM\u003c\/strong\u003e depending on the selected speed.\u003c\/p\u003e\n\u003cp\u003eThis variation makes it possible to prioritize either stronger airflow or quieter operation. The associated sound levels range from \u003cstrong\u003e46 dB(A) at high speed to 35 dB(A) at low speed\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis is useful information for a bedroom, but even more so for a living room or workspace. An appliance may have an appealing minimum rating while becoming noticeably more audible when it has to move a large volume of air. We therefore prefer to look at the entire sound range rather than a single promotional value.\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit is rated at \u003cstrong\u003e56 dB(A)\u003c\/strong\u003e. Its location should therefore be chosen carefully, particularly in neighborhoods where houses, condos, or plexes are close together. A poor location can transmit more noise toward a window, balcony, terrace, or neighboring property.\u003c\/p\u003e\n\u003ch3\u003eOptional Wi-Fi and standard wireless remote control\u003c\/h3\u003e\n\u003cp\u003eThe P Series includes a \u003cstrong\u003eDRCPX wireless remote control\u003c\/strong\u003e. For control via smartphone or tablet, Wi-Fi is not built into this model as standard: YORK indicates that the \u003cstrong\u003eCS532AH adapter\u003c\/strong\u003e is required.\u003c\/p\u003e\n\u003cp\u003eThe controller documentation also specifies that the EWPE Smart app is compatible with the P, X, and Z Series, with a CS532AH adapter required for the P and X Series. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTherefore, two elements must be clearly distinguished:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInfrared remote control: included.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eWi-Fi control: optional with the appropriate accessory.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is the kind of detail we verify before promising a connected feature to a customer. Two wall-mounted units that look very similar may have different electronic configurations.\u003c\/p\u003e\n\u003ch2\u003eInstallation, performance, and selection of this YORK P Series in Greater Montreal\u003c\/h2\u003e\n\u003ch3\u003e1\/4 in. - 1\/2 in. piping that must be followed\u003c\/h3\u003e\n\u003cp\u003eThe DHP18NWB21S \/ DHP18CSB21S combination requires a liquid line of \u003cstrong\u003e1\/4 po\u003c\/strong\u003e and a gas line of \u003cstrong\u003e1\/2 po\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis information is particularly important when replacing an old heat pump. It may be tempting to automatically reuse the existing lines because they already pass through a finished wall. At AirGreen, we first check their diameter, condition, length, accessibility, and compatibility with the system.\u003c\/p\u003e\n\u003cp\u003eA common example is a homeowner who wants to replace an old unit without redoing the exterior trim. If the existing piping is the wrong diameter or has contamination, a restriction, or a questionable connection, keeping that piping solely to reduce the work can compromise the operation of the new appliance.\u003c\/p\u003e\n\u003cp\u003eFor this YORK unit, the brochure allows up to \u003cstrong\u003e82 feet of total length\u003c\/strong\u003e and \u003cstrong\u003e33 feet of height difference\u003c\/strong\u003e. These limits provide some flexibility for multilevel homes, but they do not replace proper route planning.\u003c\/p\u003e\n\u003ch3\u003eA 208\/230 V power supply with an MCA of 16 A\u003c\/h3\u003e\n\u003cp\u003eThe 18,000 BTU P Series operates on \u003cstrong\u003e208\/230 V single-phase\u003c\/strong\u003e power. The documentation specifies a \u003cstrong\u003eminimum circuit ampacity of 16 A\u003c\/strong\u003e and \u003cstrong\u003emaximum overcurrent protection of 25 A\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe 25 A MOCP value must not be interpreted as an invitation to modify the circuit breaker yourself. The circuit must be verified based on the installation, wiring, appliance requirements, and applicable electrical standards in Quebec.\u003c\/p\u003e\n\u003cp\u003eIn a replacement project in \u003cstrong\u003eMontreal or Longueuil\u003c\/strong\u003e, for example, the presence of an existing 240 V circuit does not automatically guarantee that it is suitable for the new heat pump. We check the electrical specifications before installation to avoid improvised modifications on the day of the work.\u003c\/p\u003e\n\u003ch3\u003eDimensions to check before choosing the wall\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit measures approximately \u003cstrong\u003e38 in wide, 12 in deep, and 9 in high\u003c\/strong\u003e. This 18,000 BTU size requires more width than a small 9,000 or 12,000 BTU wall-mounted unit.\u003c\/p\u003e\n\u003cp\u003eWe must also maintain the necessary clearances around the appliance so that air can be properly drawn in and distributed and the unit remains accessible for \u003cstrong\u003eHVAC maintenance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit measures approximately \u003cstrong\u003e38 × 28 × 16 in\u003c\/strong\u003e. Its location must account for airflow, snow, drainage during defrosting, service access, and the regulations applicable to the location.\u003c\/p\u003e\n\u003cp\u003eOn the \u003cstrong\u003eSouth Shore and North Shore\u003c\/strong\u003e, installations in single-family homes sometimes offer more flexibility. In certain Montreal boroughs or in condominiums, space constraints, balconies, and administrative requirements may require more precise planning.\u003c\/p\u003e\n\u003ch3\u003eR-410A: a factor to consider for this model\u003c\/h3\u003e\n\u003cp\u003eThis YORK P Series uses \u003cstrong\u003eR-410A\u003c\/strong\u003e. This is an important characteristic to know because it is a platform from the YORK product line documented in 2020.\u003c\/p\u003e\n\u003cp\u003eFor future maintenance, the technician must know exactly which refrigerant is used and follow the procedures specified for this appliance. The refrigerant type must never be determined based on a heat pump’s exterior appearance: we always check the nameplate and model documentation.\u003c\/p\u003e\n\u003ch3\u003eENERGY STAR, cold climate, and rebates\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen listing for this heat pump states:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eENERGY STAR: No\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eENERGY STAR Cold Climate: No\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe page does not list any \u003cstrong\u003eLogisVert provincial rebate\u003c\/strong\u003e amount for this model in its November 26, 2025 update.\u003c\/p\u003e\n\u003cp\u003eFor a homeowner whose top priority is obtaining the best financial assistance available, this information may steer the comparison toward other ductless heat pumps. The purchase price of an appliance should not be evaluated separately from its potential rebate, low-temperature performance, and the building’s actual needs.\u003c\/p\u003e\n\u003ch3\u003eAn essential clarification about SEER, SEER2, and the “18 SEER” designation\u003c\/h3\u003e\n\u003cp\u003eThe November 2020 YORK documentation classifies this family under \u003cstrong\u003e“P Series - Up to 18 SEER”\u003c\/strong\u003e. It uses the SEER, EER, and HSPF ratings according to the certification methods for this generation of equipment.\u003c\/p\u003e\n\u003cp\u003eFor the 18,000 BTU DHP18CSB21S model, the published data are \u003cstrong\u003e16 SEER, 9 EER, and 9 HSPF\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eTherefore, these figures should not be arbitrarily converted to \u003cstrong\u003eSEER2, EER2, or HSPF2\u003c\/strong\u003e. The testing methods are not identical, and a comparison with a recent heat pump should use data certified under the same standard.\u003c\/p\u003e\n\u003cp\u003eFor homeowners comparing several systems on our website, this is an important technical detail: a figure displayed in a column is not enough to compare two generations of heat pumps.\u003c\/p\u003e\n\u003ch3\u003eWarranty: why system registration matters\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specification sheet indicates a warranty of \u003cstrong\u003e10 years on the compressor, 10 years on parts, and 0 years on labour\u003c\/strong\u003e, with the possibility of additional warranty coverage depending on the applicable conditions.\u003c\/p\u003e\n\u003cp\u003eThe original YORK brochure provides a useful clarification: the advertised standard warranty was \u003cstrong\u003e7 years on the compressor and 5 years on parts\u003c\/strong\u003e, while registering the system allowed eligible residential applications to receive \u003cstrong\u003e10 years on the compressor and 10 years on parts\u003c\/strong\u003e. Ten years of labour coverage was presented separately as an option requiring the purchase of additional protection. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThat is why we recommend keeping the invoice, model and serial numbers, and any registration confirmation. Several years after installation, these documents can make a significant difference when submitting a warranty claim.\u003c\/p\u003e\n\u003ch3\u003eWhat type of project might 18,000 BTU be suitable for?\u003c\/h3\u003e\n\u003cp\u003eAn \u003cstrong\u003e18,000 BTU\u003c\/strong\u003e unit is not automatically intended for a fixed area. Two rooms with the same square footage can have very different heating and cooling loads.\u003c\/p\u003e\n\u003cp\u003eIn our assessments in \u003cstrong\u003eMontréal, Laval, Longueuil, the North Shore, the South Shore, and Montérégie\u003c\/strong\u003e, we consider factors such as the room’s layout, the number and size of the windows, sun exposure, insulation level, ceiling height, the floor where the room is located, and airflow to adjacent areas.\u003c\/p\u003e\n\u003cp\u003eA large open ground floor can sometimes allow a wall-mounted unit to distribute air effectively across several connected areas. Conversely, installing an 18,000 BTU heat pump in a hallway and expecting it to cool several bedrooms whose doors remain closed often results in uneven distribution.\u003c\/p\u003e\n\u003cp\u003ePositioning is therefore just as important as the number of BTUs.\u003c\/p\u003e\n\u003ch3\u003eMistakes we aim to avoid during an installation\u003c\/h3\u003e\n\u003cp\u003eA proper \u003cstrong\u003ewall-mounted heat pump installation\u003c\/strong\u003e involves more than simply mounting an indoor unit and an outdoor unit. Several details affect the long-term result.\u003c\/p\u003e\n\u003cp\u003eWe pay particular attention to the condensate drain route, slope, refrigerant connections, defrost water drainage, vibrations, outdoor support, line routing, and indoor unit positioning.\u003c\/p\u003e\n\u003cp\u003eAnother often underestimated factor is accessibility. An indoor unit installed too close to the ceiling or wedged against a side wall can make filter cleaning and \u003cstrong\u003eHVAC maintenance\u003c\/strong\u003e more difficult. A visually discreet installation should not sacrifice the access required for servicing.\u003c\/p\u003e\n\u003ch3\u003eWhy have this YORK installed and maintained by AirGreen\u003c\/h3\u003e\n\u003cp\u003eAt AirGreen, our work does not stop at choosing a brand or a capacity displayed on a box. We analyze the entire installation to ensure that the heat pump is truly suited to the building.\u003c\/p\u003e\n\u003cp\u003eFor the YORK P Series 18,000 BTU, this means checking the \u003cstrong\u003esizing\u003c\/strong\u003e, the \u003cstrong\u003e1\/4 in. - 1\/2 in.\u003c\/strong\u003e piping, the \u003cstrong\u003e208\/230 V\u003c\/strong\u003e power supply, condenser placement, condensate drainage, air distribution, and warranty conditions.\u003c\/p\u003e\n\u003cp\u003eWe serve \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore, the South Shore, and the greater metropolitan area\u003c\/strong\u003e for the installation, replacement, maintenance, and servicing of residential and commercial HVAC systems.\u003c\/p\u003e\n\u003ch3\u003eGet a quote for your YORK heat pump\u003c\/h3\u003e\n\u003cp\u003eTo find out whether this \u003cstrong\u003eYORK P Series 18,000 BTU wall-mounted heat pump\u003c\/strong\u003e is suitable for your house, condo, apartment, or business, contact AirGreen directly.\u003c\/p\u003e\n\u003cp\u003eWe can assess the required capacity, installation possibilities, piping route, electrical supply, and other available heat pump options in order to propose a configuration suited to your project.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAirGreen Heat Pumps, Air Conditioning \u0026amp; Heating\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e514-316-2973\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e\u003ca class=\"decorated-link cursor-pointer\" rel=\"noopener\"\u003esales@airgreen.ca\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":56120363909412,"sku":"DHP18CSB21S","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_THERMOPOMPE_MURALE_YORK_SERIE_P_18000_BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_d22c19d7-db03-4463-a978-b79be9e68d60.png?v=1789426116"},{"product_id":"thermopompe-murale-york-serie-p-18-seer-24000-btu","title":"YORK P Series Wall-Mounted Heat Pump 18 SEER | 24000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA 24,000 BTU wall-mounted heat pump that deserves to be assessed beyond the number on the label\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eWhen a homeowner is looking for a \u003cstrong\u003e24,000 BTU wall-mounted heat pump in Montreal, Laval, Longueuil, on the North Shore or South Shore\u003c\/strong\u003e, the stated capacity is often the first criterion considered. However, to determine whether a unit is truly suitable for a large open-concept area, an entire floor, a commercial space or a difficult-to-cool dwelling, we need to look much further: capacity modulation, airflow, sound level, minimum heating temperature, piping, electrical supply and the location of both units.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eYORK P Series\u003c\/strong\u003e, in the configuration of interest here, pairs the \u003cstrong\u003eDHP24NWB21S\u003c\/strong\u003e indoor unit with the \u003cstrong\u003eDHP24CSB21S\u003c\/strong\u003e outdoor unit. YORK officially classifies this combination in its \u003cstrong\u003e24K BTU\/h, 208\/230 V\u003c\/strong\u003e family, among the P Series single-zone wall-mounted heat pump systems. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is an \u003cstrong\u003eInverter\u003c\/strong\u003e-technology heat pump using \u003cstrong\u003eR-410A\u003c\/strong\u003e, designed to provide cooling and heating down to an advertised outdoor temperature of \u003cstrong\u003e-20 °C\u003c\/strong\u003e. It is therefore not simply a wall-mounted air conditioner with a heating function added: it is a reversible system capable of modulating its operation according to the building’s actual load.\u003c\/p\u003e\n\u003ch3\u003eYORK P Series 24K: model numbers to verify before any installation\u003c\/h3\u003e\n\u003cp\u003eFor this heat pump, the correct combination is:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor unit: DHP24NWB21S\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit: DHP24CSB21S\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCommercial class: 24,000 BTU\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePower supply: 208\/230 V, single-phase, 60 Hz\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant: R-410A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAHRI listed on the AirGreen product sheet: 8578549\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWi-Fi: optional\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis distinction between the indoor and outdoor units is important. On a \u003cstrong\u003ewall-mounted heat pump replacement\u003c\/strong\u003e project, we never validate an installation solely based on the YORK logo or the appearance of the wall-mounted unit. Both model numbers must be confirmed, particularly when an existing appliance is being partially reused or when verifying an older installation.\u003c\/p\u003e\n\u003ch3\u003e“18 SEER” does not mean that every P Series capacity achieves exactly 18 SEER\u003c\/h3\u003e\n\u003cp\u003eHere is a particularly important nuance for this product listing.\u003c\/p\u003e\n\u003cp\u003eYORK presents this range as the \u003cstrong\u003eP Series up to 18 SEER\u003c\/strong\u003e. However, in the official technical table of the 2020 catalog, the \u003cstrong\u003eDHP24NWB21S \/ DHP24CSB21S\u003c\/strong\u003e combination is listed with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSEER: 16\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER: 9.75\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF: 9\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eRated cooling capacity: \u003cstrong\u003e22,000 BTU\/h\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003enominal heating capacity: \u003cstrong\u003e23,000 BTU\/h\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe table also indicates a cooling modulation range of \u003cstrong\u003e8,630 to 23,200 BTU\/h\u003c\/strong\u003e, and a heating range of \u003cstrong\u003e8,650 to 26,000 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThat is why we always distinguish between a \u003cstrong\u003e24,000 BTU commercial category\u003c\/strong\u003e and the nominal capacity measured under standardized conditions. A unit sold as “24K” is not necessarily rated at exactly 24,000 BTU\/h under all certification conditions.\u003c\/p\u003e\n\u003cp\u003eIt is also important to avoid mixing different generations of standards. This 2020 YORK catalogue provides \u003cstrong\u003eSEER, EER and HSPF\u003c\/strong\u003e ratings, not the newer \u003cstrong\u003eSEER2, EER2 and HSPF2\u003c\/strong\u003e ratings. These values should not be automatically converted or renamed. To compare this YORK with a recent heat pump using a SEER2 rating, we therefore recommend comparing the technical specifications according to the same standard rather than placing the figures side by side without context.\u003c\/p\u003e\n\u003ch3\u003eUseful modulation in large spaces\u003c\/h3\u003e\n\u003cp\u003eVariable capacity is one of the practical advantages of Inverter technology.\u003c\/p\u003e\n\u003cp\u003eIn cooling mode, the YORK can go down to around \u003cstrong\u003e8,630 BTU\/h\u003c\/strong\u003e instead of constantly operating at full capacity. In heating mode, it can modulate from approximately \u003cstrong\u003e8,650 to 26,000 BTU\/h\u003c\/strong\u003e under the conditions specified in YORK’s documentation. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a homeowner, this may mean longer, more consistent cycles, particularly when the outdoor temperature is moderate and the building does not require the unit’s full capacity.\u003c\/p\u003e\n\u003cp\u003eOn our \u003cstrong\u003eductless mini-split heat pump projects in Greater Montreal\u003c\/strong\u003e, this is precisely the behavior we look for when the unit serves an open-concept area: a dining room connected to the living room, an open kitchen, a large basement, or a business where the heat load changes throughout the day.\u003c\/p\u003e\n\u003cp\u003eHowever, achieving the right result depends on proper sizing. Automatically installing a 24,000 BTU unit simply because the room “seems large” is a mistake. The floor area, insulation, windows, solar exposure, ceiling height, and airflow between rooms must all be considered.\u003c\/p\u003e\n\u003ch3\u003eHeating down to -20 °C: what this figure really means\u003c\/h3\u003e\n\u003cp\u003eYORK gives the \u003cstrong\u003eDHP24CSB21S\u003c\/strong\u003e a heating operating range of \u003cstrong\u003e-4 °F to 75 °F\u003c\/strong\u003e, or approximately \u003cstrong\u003e-20 °C to 24 °C\u003c\/strong\u003e. In cooling mode, its published range is \u003cstrong\u003e-18 °C to 46 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e-20 °C\u003c\/strong\u003e must be interpreted correctly.\u003c\/p\u003e\n\u003cp\u003eThis represents a published operating limit, not a promise that the unit will always produce exactly its rated capacity of 23,000 BTU\/h at -20 °C. As with any heat pump, capacity and efficiency vary with the outdoor temperature.\u003c\/p\u003e\n\u003cp\u003eIn the climate of \u003cstrong\u003eMontreal, Laval, Longueuil, Boucherville, and Montérégie\u003c\/strong\u003e, this distinction is particularly important. For a home that relies primarily on the heat pump during the winter, we always check the building's heating load and the presence of an appropriate backup heating system.\u003c\/p\u003e\n\u003ch3\u003eHigh airflow to distribute the available capacity\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit \u003cstrong\u003eDHP24NWB21S\u003c\/strong\u003e has four published airflow rates:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e706 \/ 647 \/ 588 \/ 530 CFM\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts corresponding sound pressure levels are listed as:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e48 \/ 44 \/ 40 \/ 36 dB(A)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts dimensions are \u003cstrong\u003e42 × 13 × 10 in\u003c\/strong\u003e, or approximately \u003cstrong\u003e1,078 × 325 × 246 mm\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe maximum airflow of \u003cstrong\u003e706 CFM\u003c\/strong\u003e is particularly relevant for a heat pump of this capacity. A 24K unit installed in an overly enclosed area may have plenty of available capacity without being able to distribute it effectively.\u003c\/p\u003e\n\u003cp\u003eThis is a situation we avoid when preparing our estimates: installing a large heat pump in a narrow corridor in the hope of heating four bedrooms whose doors remain closed rarely produces the expected result.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eindoor unit's position\u003c\/strong\u003e matters almost as much as the number of BTUs.\u003c\/p\u003e\n\u003ch3\u003eAutomatic vertical and horizontal louvers: yes, the P Series has them\u003c\/h3\u003e\n\u003cp\u003eYORK documentation is particularly interesting on this point. The P Series function table confirms:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eautomatic 3D vertical and horizontal swing\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eup\/down movement;\u003c\/li\u003e\n\u003cli\u003eleft\/right movement;\u003c\/li\u003e\n\u003cli\u003efixed-angle louver positions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIn other words, for this series, the \u003cstrong\u003evertical and horizontal louvers can be controlled automatically\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis detail is much more important than it may seem for a high-capacity unit. In an open area, we can direct the airflow toward a distant zone rather than concentrating all the air conditioning directly beneath the unit.\u003c\/p\u003e\n\u003cp\u003eHowever, poor placement can negate this advantage. Installing the wall-mounted unit behind a large cabinet, too close to a beam, or facing a wall only a few meters away inevitably limits the air-throw range.\u003c\/p\u003e\n\u003ch3\u003eWi-Fi available, but via adapter\u003c\/h3\u003e\n\u003cp\u003eThe P Series does not include Wi-Fi in the same way as some newer heat pumps. YORK lists the \u003cstrong\u003eEWPE Smart\u003c\/strong\u003e app, available for the P, X, and Z Series, but specifies that a \u003cstrong\u003eCS532AH adapter is required for the P and X Series\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe therefore accurately describe this feature as \u003cstrong\u003eoptional Wi-Fi\u003c\/strong\u003e, not built-in Wi-Fi as standard.\u003c\/p\u003e\n\u003cp\u003eThe wireless \u003cstrong\u003eDRCPX\u003c\/strong\u003e remote control is supplied as the standard controller with the P Series. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation in Montreal, Laval, Longueuil, the North Shore, and the South Shore: the details that determine the result\u003c\/h2\u003e\n\u003cp\u003eA \u003cstrong\u003eYORK DHP24CSB21S\u003c\/strong\u003e heat pump is relatively easy to understand on paper. On an actual job site, the quality of the result depends on dozens of details that do not appear in the product title.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, we assess, among other things, the indoor unit's location, the length of the refrigerant run, the height difference between the units, condensate drainage, the electrical supply, potential vibration from the outdoor unit, and future access for maintenance.\u003c\/p\u003e\n\u003ch3\u003ePiping: 1\/4 in. liquid and 5\/8 in. gas\u003c\/h3\u003e\n\u003cp\u003eFor the 24K system, YORK specifies:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLiquid line: \u003cstrong\u003e1\/4 po\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eGas line: \u003cstrong\u003e5\/8 po\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDrain: \u003cstrong\u003e5\/8 po\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaximum total piping length: \u003cstrong\u003e82 ft \/ 25 m\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePublished maximum height difference: \u003cstrong\u003e33 ft \/ 10 m\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis is something to check carefully during a replacement.\u003c\/p\u003e\n\u003cp\u003eWe regularly encounter properties where an old heat pump already has refrigerant lines installed in the walls. The fact that these lines are physically present does not guarantee that they are suitable for the new system. \u003cstrong\u003eThe diameter, condition, cleanliness, and compatibility must be verified before deciding to keep them.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor the DHP24CSB21S, the \u003cstrong\u003e1\/4 – 5\/8 in.\u003c\/strong\u003e combination must therefore be taken seriously.\u003c\/p\u003e\n\u003ch3\u003eA 208\/230 V power supply and suitable electrical protection\u003c\/h3\u003e\n\u003cp\u003eThe YORK 24K heat pump combination is powered by \u003cstrong\u003e208\/230 V, single-phase, 60 Hz\u003c\/strong\u003e. For the DHP24 heat pump model, the manufacturer specifies an \u003cstrong\u003eMCA of 16 A\u003c\/strong\u003e and an \u003cstrong\u003eMOCP of 25 A\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn practice, this data is used to correctly determine the circuit and electrical protection according to the manufacturer's requirements and applicable standards.\u003c\/p\u003e\n\u003cp\u003eWe never recommend simply choosing a circuit breaker based on estimated average consumption. The \u003cstrong\u003eMCA\u003c\/strong\u003e and \u003cstrong\u003emaximum overcurrent protection\u003c\/strong\u003e are among the data that must be verified before work begins.\u003c\/p\u003e\n\u003ch3\u003eOutdoor dimensions and clearances\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHP24CSB21S\u003c\/strong\u003e outdoor module measures approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e38 × 28 × 16 in\u003c\/strong\u003e\u003cbr\u003eor \u003cstrong\u003e955 × 700 × 396 mm\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts published outdoor sound level is \u003cstrong\u003e59 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor an installation on the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e, in \u003cstrong\u003eMontreal\u003c\/strong\u003e, or in the denser areas of \u003cstrong\u003eLaval and Longueuil\u003c\/strong\u003e, we must consider not only the physical space occupied by the unit, but also:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eaccess for servicing;\u003c\/li\u003e\n\u003cli\u003ethe clearances required around the heat exchanger;\u003c\/li\u003e\n\u003cli\u003esnow;\u003c\/li\u003e\n\u003cli\u003ewater discharge from defrosting;\u003c\/li\u003e\n\u003cli\u003eproximity to windows;\u003c\/li\u003e\n\u003cli\u003evibrations transmitted to the structure;\u003c\/li\u003e\n\u003cli\u003emunicipal requirements applicable to the location of a heat pump.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA properly selected but poorly positioned unit can become unnecessarily noisy or difficult to maintain.\u003c\/p\u003e\n\u003ch3\u003eMistakes we seek to avoid with a 24,000 BTU heat pump\u003c\/h3\u003e\n\u003cp\u003eA durable installation involves more than mounting two units and connecting them with a pair of pipes.\u003c\/p\u003e\n\u003cp\u003eAmong the issues we systematically seek to eliminate in our \u003cstrong\u003eHVAC installations in Montreal, Laval, Longueuil, the North Shore, and the South Shore\u003c\/strong\u003e are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ean indoor unit that is much too large for the room;\u003c\/li\u003e\n\u003cli\u003ean airflow directed straight at a bed, sofa, or work table;\u003c\/li\u003e\n\u003cli\u003ean insufficient drain slope;\u003c\/li\u003e\n\u003cli\u003eexisting piping with the wrong diameter;\u003c\/li\u003e\n\u003cli\u003ean outdoor support that amplifies vibrations;\u003c\/li\u003e\n\u003cli\u003ean outdoor unit positioned too close to an obstruction;\u003c\/li\u003e\n\u003cli\u003ea power supply selected without consulting the MCA and MOCP;\u003c\/li\u003e\n\u003cli\u003ea much longer refrigerant line set than expected;\u003c\/li\u003e\n\u003cli\u003ea poor understanding of the available capacity in extremely cold weather.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA \u003cstrong\u003e24,000 BTU\u003c\/strong\u003e unit is particularly sensitive to its location because of its high airflow. In a large open-concept area, this is an advantage. In a small enclosed room, however, it can create discomfort.\u003c\/p\u003e\n\u003ch3\u003eMaintaining a YORK P Series: preserving airflow before the problem becomes noticeable\u003c\/h3\u003e\n\u003cp\u003eThe airflow from a wall-mounted unit depends directly on the cleanliness of the filters, evaporator, and blower wheel.\u003c\/p\u003e\n\u003cp\u003eA unit capable of moving up to \u003cstrong\u003e706 CFM\u003c\/strong\u003e will not deliver the same results if the blower wheel is covered in dust or if the heat exchanger is clogged. The homeowner may sometimes feel that “the heat pump no longer cools like it used to,” when the problem is primarily related to airflow.\u003c\/p\u003e\n\u003cp\u003eWe therefore recommend periodically inspecting the filters and carrying out a \u003cstrong\u003ethorough cleaning of the wall-mounted heat pump\u003c\/strong\u003e when internal buildup warrants it. This is particularly relevant in homes with pets, open kitchens, dusty environments, and installations that operate almost continuously.\u003c\/p\u003e\n\u003ch3\u003eWarranty: clearly distinguish the YORK warranty from labour coverage\u003c\/h3\u003e\n\u003cp\u003eThe YORK catalog indicates a standard warranty of \u003cstrong\u003e7 years on the compressor and 5 years on parts\u003c\/strong\u003e, with the option to extend it to \u003cstrong\u003e10 years on the compressor and 10 years on parts\u003c\/strong\u003e after eligible registration. The document also mentions a 10-year labour protection option subject to additional conditions. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen product sheet, for its part, shows \u003cstrong\u003e10-10-0 years\u003c\/strong\u003e of coverage and indicates that an \u003cstrong\u003eadditional warranty may be available\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eTo avoid any confusion, the warranty applicable to a given installation should always be confirmed at the time of purchase, particularly for a model from an older product generation.\u003c\/p\u003e\n\u003ch3\u003eIs this YORK eligible for a LogisVert rebate?\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specification sheet provided for this model states:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eENERGY STAR: No\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eENERGY STAR Cold Climate: No\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eand no provincial rebate amount is currently listed.\u003c\/p\u003e\n\u003cp\u003eWe therefore do not recommend choosing this heat pump on the assumption that financial assistance will automatically be available. When a \u003cstrong\u003eheat pump rebate in Quebec\u003c\/strong\u003e is part of a project's financial calculation, we verify the specific model's eligibility before signing.\u003c\/p\u003e\n\u003cp\u003eThis is particularly important when a homeowner compares this YORK with a newer cold-climate heat pump whose initial price is higher but which may qualify for a different incentive program.\u003c\/p\u003e\n\u003ch3\u003eWho is this YORK 24K wall-mounted heat pump suitable for?\u003c\/h3\u003e\n\u003cp\u003eThis configuration may be suitable for a homeowner seeking a \u003cstrong\u003ehigh-capacity single-zone wall-mounted heat pump\u003c\/strong\u003e, particularly for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea large open area;\u003c\/li\u003e\n\u003cli\u003ean open-concept floor;\u003c\/li\u003e\n\u003cli\u003ea large basement;\u003c\/li\u003e\n\u003cli\u003ea commercial space;\u003c\/li\u003e\n\u003cli\u003ea room with a significant cooling load;\u003c\/li\u003e\n\u003cli\u003ea replacement where the existing mechanical and electrical specifications match the system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is less attractive if the project primarily requires \u003cstrong\u003eENERGY STAR Cold Climate\u003c\/strong\u003e certification, documented performance at very low temperatures below -20°C, or newer refrigerant technology.\u003c\/p\u003e\n\u003cp\u003eThe choice must therefore be based on the complete project, not solely on the \u003cstrong\u003eYORK\u003c\/strong\u003e name, the \u003cstrong\u003e18 SEER\u003c\/strong\u003e rating, or the \u003cstrong\u003e24,000 BTU\u003c\/strong\u003e capacity.\u003c\/p\u003e\n\u003ch3\u003eWhy an on-site estimate remains important for a 24K heat pump\u003c\/h3\u003e\n\u003cp\u003eTwo homes with exactly the same floor area may require two different HVAC solutions.\u003c\/p\u003e\n\u003cp\u003eIn \u003cstrong\u003eMontréal\u003c\/strong\u003e, a century-old home with poorly insulated walls and large windows does not have the same thermal profile as a recently built condo of comparable size in \u003cstrong\u003eBoucherville\u003c\/strong\u003e. In \u003cstrong\u003eLaval\u003c\/strong\u003e, a bungalow with an open basement does not distribute air in the same way as a multistory cottage. In \u003cstrong\u003eLongueuil\u003c\/strong\u003e, the available location for the outdoor unit can also completely change the piping route.\u003c\/p\u003e\n\u003cp\u003eThat is why, at \u003cstrong\u003eAirGreen\u003c\/strong\u003e, we use the estimate to determine:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe capacity actually required;\u003c\/li\u003e\n\u003cli\u003ethe best indoor location;\u003c\/li\u003e\n\u003cli\u003ethe best outdoor location;\u003c\/li\u003e\n\u003cli\u003ethe route of the lines;\u003c\/li\u003e\n\u003cli\u003eelectrical requirements;\u003c\/li\u003e\n\u003cli\u003eaccess constraints;\u003c\/li\u003e\n\u003cli\u003edrainage;\u003c\/li\u003e\n\u003cli\u003esupplementary heating options;\u003c\/li\u003e\n\u003cli\u003eand the model’s value compared with the heat pumps currently available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOur review of the YORK P Series DHP24: a technical data sheet more interesting than its simple title\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eYORK P Series 18 SEER | 24000 BTU Wall-Mounted Heat Pump\u003c\/strong\u003e is a good example of the importance of reading technical data in detail.\u003c\/p\u003e\n\u003cp\u003eIt is indeed a unit from the \u003cstrong\u003e24K P Series family\u003c\/strong\u003e, but the YORK table gives this specific combination a rated cooling capacity of \u003cstrong\u003e22,000 BTU\/h\u003c\/strong\u003e, a heating capacity of \u003cstrong\u003e23,000 BTU\/h\u003c\/strong\u003e, a \u003cstrong\u003eSEER of 16\u003c\/strong\u003e, an \u003cstrong\u003eHSPF of 9\u003c\/strong\u003e, heating operation down to \u003cstrong\u003e-20 °C\u003c\/strong\u003e, airflow of up to \u003cstrong\u003e706 CFM\u003c\/strong\u003e, \u003cstrong\u003e1\/4–5\/8 in.\u003c\/strong\u003e piping, and a \u003cstrong\u003e208\/230 V\u003c\/strong\u003e power supply.\u003c\/p\u003e\n\u003cp\u003eIt also offers a real distribution advantage with \u003cstrong\u003eautomatic vertical and horizontal swing\u003c\/strong\u003e, while Wi-Fi control remains available with the appropriate adapter.\u003c\/p\u003e\n\u003cp\u003eThese are the details that determine whether it is truly suitable for a property, rather than relying on three figures in a title.\u003c\/p\u003e\n\u003ch3\u003eRequest an AirGreen estimate for your YORK heat pump\u003c\/h3\u003e\n\u003cp\u003eAre you considering installing or replacing a \u003cstrong\u003eYORK wall-mounted heat pump in Montréal, Laval, Longueuil, the North Shore, the South Shore, or Montérégie\u003c\/strong\u003e? Contact \u003cstrong\u003eAirGreen Heat Pumps, Air Conditioning \u0026amp; Heating\u003c\/strong\u003e. We can assess the required capacity, location, piping, electrical requirements, and currently available options to propose an HVAC solution suited to your building.\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":56120363942180,"sku":"DHP24CSB21S","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_THERMOPOMPE_MURALE_YORK_SERIE_P_24000_BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_bd2da4c6-0e63-4bce-ac05-620c85ad7020.png?v=1789426116"},{"product_id":"thermopompe-murale-york-serie-p-18-seer-30000-btu","title":"YORK P Series Wall-Mounted Heat Pump 18 SEER | 30000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA high-capacity wall-mounted heat pump that requires sizing as serious as its installation\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYORK Series P 18 SEER | 30000 BTU Wall-Mounted Heat Pump\u003c\/strong\u003e belongs to a very different category from the small 9,000- or 12,000-BTU wall-mounted heat pumps frequently installed in a bedroom, office, or small condo. With the \u003cstrong\u003eDHP30NWB21S indoors and DHP30CSB21S outdoors\u003c\/strong\u003e combination, we are looking at a unit designed to handle a significantly larger thermal load: a large open living room, an open-plan floor, a moderately sized commercial space, a common area, or a residential space where a smaller wall-mounted unit would quickly fall short in airflow.\u003c\/p\u003e\n\u003cp\u003eYORK precisely identifies this combination as a \u003cstrong\u003eSeries P\u003c\/strong\u003e wall-mounted heat pump, in the 30K class, powered by 208\/230 V. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, we are particularly interested in this type of unit because a high-capacity wall-mounted system must be selected more carefully than through a simple floor-area calculation. In \u003cstrong\u003eMontreal, Laval, Longueuil, on the North Shore and South Shore\u003c\/strong\u003e, differences in insulation, windows, solar exposure, ceiling height, and room layout can completely change how a heat pump of this size performs.\u003c\/p\u003e\n\u003ch3\u003eThe “30,000 BTU” rating deserves a technical explanation\u003c\/h3\u003e\n\u003cp\u003eThe commercial name indicates \u003cstrong\u003e30,000 BTU\u003c\/strong\u003e, but YORK documentation from this generation provides an important clarification.\u003c\/p\u003e\n\u003cp\u003eFor the \u003cstrong\u003eDHP30CSB21S\u003c\/strong\u003e model, the brochure states:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003enominal cooling capacity: \u003cstrong\u003e28,000 BTU\/h\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ecooling modulation range: \u003cstrong\u003e9,485 to 30,025 BTU\/h\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003enominal heating capacity: \u003cstrong\u003e28,400 BTU\/h\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eheating modulation range: \u003cstrong\u003e9,997 to 32,994 BTU\/h\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eefficiency: \u003cstrong\u003e18 SEER\u003c\/strong\u003e, \u003cstrong\u003e9 HSPF\u003c\/strong\u003e, and \u003cstrong\u003e10.35 EER\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003epower supply: \u003cstrong\u003e208\/230 V, single-phase, 60 Hz\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eMCA: \u003cstrong\u003e20 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003emaximum overcurrent protection: \u003cstrong\u003e30 A\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThere is nothing unusual about this difference between the commercial “30,000 BTU” class and a nominal capacity of 28,000 BTU\/h. The figure in the product name represents the capacity category, while the performance table shows what the unit delivers under standardized test conditions and how far its variable-speed compressor can modulate.\u003c\/p\u003e\n\u003cp\u003eFor a homeowner, this means it is better not to compare two heat pumps solely based on the number in their name. \u003cstrong\u003eThe minimum, nominal, and maximum capacity\u003c\/strong\u003e give us a much more useful picture of their actual behavior.\u003c\/p\u003e\n\u003ch3\u003eAn inverter compressor that modulates rather than operating only in on-off mode\u003c\/h3\u003e\n\u003cp\u003eThe P Series uses \u003cstrong\u003einverter\u003c\/strong\u003e compressor technology. This principle is important for comfort: the heat pump can reduce or increase its output according to the building’s load instead of operating at full capacity all the time.\u003c\/p\u003e\n\u003cp\u003eThis modulation is particularly relevant for a unit of this size. A high-capacity heat pump that could not reduce its output sufficiently might cycle on and off repeatedly during milder days.\u003c\/p\u003e\n\u003cp\u003eHere, the published range starts at approximately \u003cstrong\u003e9,485 BTU\/h in cooling\u003c\/strong\u003e, allowing the system to significantly reduce its output when demand decreases. In heating mode, modulation drops to approximately \u003cstrong\u003e9,997 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor us, this information is almost as important as the maximum capacity when we evaluate an HVAC installation.\u003c\/p\u003e\n\u003ch3\u003eSEER 18: Be careful not to confuse SEER with SEER2\u003c\/h3\u003e\n\u003cp\u003eThis generation of the YORK P Series was documented according to the older \u003cstrong\u003eSEER, EER, and HSPF\u003c\/strong\u003e measurements. The YORK brochure lists \u003cstrong\u003e18 SEER, 10.35 EER, and 9 HSPF\u003c\/strong\u003e for this combination. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTherefore, “18 SEER” should not automatically be converted to “18 SEER2.” They are two different standards.\u003c\/p\u003e\n\u003cp\u003eThis distinction is important when a homeowner compares this YORK unit with a newer heat pump that directly displays \u003cstrong\u003eSEER2, EER2, and HSPF2\u003c\/strong\u003e values. A professional comparison must consider the standard used, not just the number.\u003c\/p\u003e\n\u003ch3\u003eAirflow: up to 706 CFM to move air through a large space\u003c\/h3\u003e\n\u003cp\u003eA 30,000 BTU heat pump must also be able to distribute its heating or cooling efficiently.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHP30NWB21S\u003c\/strong\u003e indoor unit offers four airflow levels listed at:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e706 \/ 618 \/ 530 \/ 412 CFM\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts sound pressure level varies accordingly between \u003cstrong\u003e51 \/ 45 \/ 41 \/ 37 dB(A)\u003c\/strong\u003e. The published dimensions of the indoor unit are \u003cstrong\u003e53 × 13 × 10 in.\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe 53-inch width is worth considering from the estimate visit onward. This unit is significantly longer than a low-capacity wall-mounted heat pump.\u003c\/p\u003e\n\u003cp\u003eWe must therefore check not only the available wall surface, but also:\u003c\/p\u003e\n\u003cp\u003ethe distance from the ceiling, windows, doors, cabinets, airflow path, and the location that allows the piping and drain to be routed.\u003c\/p\u003e\n\u003cp\u003ePoor positioning can considerably reduce comfort quality, even when the unit's capacity is theoretically sufficient.\u003c\/p\u003e\n\u003ch3\u003eAutomatic vertical and horizontal louvers\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specification identifies control of the \u003cstrong\u003evertical and horizontal louvers as automatic\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWith a unit delivering up to 706 CFM, airflow direction becomes particularly important. In a large open living room, for example, we generally prefer a position that allows the airflow to travel through the room without being immediately blocked by a beam, a tall piece of furniture, or a cross wall.\u003c\/p\u003e\n\u003cp\u003eIn cooling mode, proper airflow distribution promotes more even distribution of cool air. In heating mode, it helps direct the air to limit heat buildup near the ceiling.\u003c\/p\u003e\n\u003cp\u003eYORK documentation also confirms that compatible controllers allow management of the \u003cstrong\u003elouver position\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eA larger outdoor unit than a standard wall-mounted heat pump\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHP30CSB21S\u003c\/strong\u003e outdoor unit measures approximately \u003cstrong\u003e39 × 31 × 17 in\u003c\/strong\u003e and has a published sound pressure level of \u003cstrong\u003e62 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a project in \u003cstrong\u003eMontreal or Longueuil\u003c\/strong\u003e, this can directly affect the selected location when the property has a narrow side passage or neighboring homes are close together.\u003c\/p\u003e\n\u003cp\u003eOn the \u003cstrong\u003eSouth Shore or North Shore\u003c\/strong\u003e, we often encounter more placement options on the property, but the position remains important for airflow, winter drainage, and future access for HVAC maintenance.\u003c\/p\u003e\n\u003cp\u003eAn outdoor unit should not be installed simply where the refrigerant line run is shortest. We also assess its clearance, accessibility, potential snow accumulation, and noise impact on living areas.\u003c\/p\u003e\n\u003ch3\u003eHeating down to -20°C according to the range published by YORK\u003c\/h3\u003e\n\u003cp\u003eThe brochure indicates a heating operating range of \u003cstrong\u003e-20 °C to 24 °C\u003c\/strong\u003e for the DHP30CSB21S. The published cooling range is \u003cstrong\u003e-18 °C to 46 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is particularly important information for Quebec.\u003c\/p\u003e\n\u003cp\u003eHowever, a minimum operating temperature of -20 °C does not mean that the heat pump produces its full rated capacity at -20 °C. The available capacity of a heat pump varies with outdoor temperature.\u003c\/p\u003e\n\u003cp\u003eThe brochure provided does not publish, for this specific model, a detailed table showing its capacity at \u003cstrong\u003e-8 °C, -15 °C, and -20 °C\u003c\/strong\u003e. We therefore avoid inventing these values.\u003c\/p\u003e\n\u003cp\u003eFor a project where the heat pump must handle a significant portion of the heating load during the coldest periods of the Montreal winter, this distinction must be part of the sizing process.\u003c\/p\u003e\n\u003ch2\u003eInstalling a YORK P Series 30K in Greater Montreal: the details that really make a difference\u003c\/h2\u003e\n\u003ch3\u003e1\/4 in – 5\/8 in refrigeration piping\u003c\/h3\u003e\n\u003cp\u003eThe 30K model uses a liquid line of \u003cstrong\u003e1\/4 po\u003c\/strong\u003e and a gas line of \u003cstrong\u003e5\/8 po\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe documentation also specifies:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003emaximum total length: 98.5 ft (30 m)\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003emaximum elevation difference: 33 ft (10 m)\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003edrain: 5\/8 in\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese values become very useful in duplexes, multi-story homes, and commercial premises where the outdoor unit is not located directly behind the wall-mounted head.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we prefer to plan the route before work begins. This avoids an improvised path that would multiply bends, unnecessarily expose the piping, or create difficulties for condensate drainage.\u003c\/p\u003e\n\u003ch3\u003eWhy the drain should never be treated as a secondary detail\u003c\/h3\u003e\n\u003cp\u003eWhen a heat pump operates in cooling or dehumidification mode, the indoor unit produces condensation water.\u003c\/p\u003e\n\u003cp\u003eThe drain must therefore maintain an adequate slope when operating by gravity. When the building configuration does not allow this, a pumping solution may become necessary.\u003c\/p\u003e\n\u003cp\u003eA 30,000 BTU unit can handle a significant volume of air. We therefore pay particular attention to drainage to prevent backflow, leaks on the wall, or water accumulation in the unit.\u003c\/p\u003e\n\u003cp\u003eThe YORK brochure also specifies a drain connection diameter of \u003cstrong\u003e5\/8 po\u003c\/strong\u003e for this wall-mounted series. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eElectrical circuit: 20 A MCA and maximum 30 A protection\u003c\/h3\u003e\n\u003cp\u003eThe electrical installation should not be determined solely based on the 30,000 BTU rating.\u003c\/p\u003e\n\u003cp\u003eFor the DHP30 model, YORK publishes:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMCA: 20 A\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eMOCP: 30 A\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eVoltage: 208\/230 V, 1 phase, 60 Hz\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe wiring gauge, protection, and power-supply compliance must be validated according to the applicable electrical requirements and the actual installation characteristics.\u003c\/p\u003e\n\u003cp\u003eFor us, this verification is part of normal job preparation, particularly in older properties in \u003cstrong\u003eMontreal, Laval, and Longueuil\u003c\/strong\u003e, where the electrical panel and existing circuits may impose certain constraints.\u003c\/p\u003e\n\u003ch3\u003eWi-Fi available as an option\u003c\/h3\u003e\n\u003cp\u003eThe YORK P Series from this generation does not necessarily have Wi-Fi built directly into the unit.\u003c\/p\u003e\n\u003cp\u003eThe brochure identifies the \u003cstrong\u003eCS532AH adapter\u003c\/strong\u003e as required for the P Series Wi-Fi function. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eRemote control can then be carried out using the \u003cstrong\u003eEWPE Smart App\u003c\/strong\u003e, announced by YORK for the P, X, and Z series. The documentation again specifies that the P and X series require the CS532AH adapter. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDRCPX\u003c\/strong\u003e wireless remote, on the other hand, is included as standard with the P and X units. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis distinction avoids an unpleasant surprise: \u003cstrong\u003ean included wireless remote does not mean built-in Wi-Fi\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eR-410A: an important factor to know for future maintenance\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHP30CSB21S uses R-410A\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is therefore an earlier generation than the newer units that use refrigerants such as R-32 or R-454B.\u003c\/p\u003e\n\u003cp\u003eFor the homeowner, this does not prevent normal use of the system. It mainly means that it is useful to know the exact model and refrigerant during a future \u003cstrong\u003eservice call, HVAC maintenance visit, or refrigeration-system diagnosis\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we always recommend keeping the model number of both units along with the installation information. This data greatly speeds up troubleshooting several years later.\u003c\/p\u003e\n\u003ch3\u003eENERGY STAR, cold climate, and subsidies: do not assume eligibility\u003c\/h3\u003e\n\u003cp\u003eThe specification sheet currently provided by AirGreen identifies this product as:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eENERGY STAR: No\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eENERGY STAR Cold Climate: No\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo LogisVert amount is currently indicated for it.\u003c\/p\u003e\n\u003cp\u003eTherefore, we avoid presenting this YORK P Series as automatically eligible for a subsidy. Program criteria change, and eligibility must be verified based on the model, AHRI combination, and requirements in effect at the time of the project.\u003c\/p\u003e\n\u003cp\u003eThe AHRI identifier listed on the AirGreen specification sheet is \u003cstrong\u003e8578553\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor a customer whose main priority is maximizing current financial assistance, we can also compare this unit with newer models before finalizing the selection.\u003c\/p\u003e\n\u003ch3\u003eA warranty that depends in part on registration\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specification sheet indicates a warranty of \u003cstrong\u003e10 years on the compressor, 10 years on parts, and 0 years on labour\u003c\/strong\u003e, with the possibility of an additional warranty.\u003c\/p\u003e\n\u003cp\u003eThe YORK brochure for this generation provides useful context: the published standard coverage was \u003cstrong\u003e7 years on the compressor and 5 years on parts\u003c\/strong\u003e, while residential registration made it possible to extend this to \u003cstrong\u003e10 years on the compressor and 10 years on parts\u003c\/strong\u003e. Ten years of labour coverage was also presented as an additional option. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThat is why registering equipment after installation is not a formality to be overlooked.\u003c\/p\u003e\n\u003ch3\u003eFor which projects is this 30K particularly relevant?\u003c\/h3\u003e\n\u003cp\u003eWe primarily consider this capacity when the space has a real load justifying a large wall-mounted unit: \u003cstrong\u003elarge open area, higher ceiling, extensive fenestration, commercial space, entire floor, or space where several smaller zones are broadly connected\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eConversely, a heat pump of this size is not automatically the best solution for a house simply because its total area seems large.\u003c\/p\u003e\n\u003cp\u003eA wall-mounted indoor unit primarily heats and cools the space that its airflow can actually reach. Closed bedrooms at the end of a hallway will not necessarily receive the same comfort as the living room where the unit is located.\u003c\/p\u003e\n\u003cp\u003eThis is one of the selection errors we want to avoid: compensating for poor air distribution with excessive capacity.\u003c\/p\u003e\n\u003cp\u003eIn some buildings, a 30K wall-mounted heat pump makes perfect sense. In others, two smaller zones, a multi-zone system, or a central system may provide much more even distribution.\u003c\/p\u003e\n\u003ch3\u003eWhat we check before recommending the DHP30CSB21S\u003c\/h3\u003e\n\u003cp\u003eDuring an assessment, we therefore do not limit ourselves to the number of BTUs. We examine the geometry of the space, air circulation, insulation, fenestration, floors, the indoor unit’s position, the length of the refrigerant line, the drain slope, the outdoor unit’s location, and the electrical characteristics.\u003c\/p\u003e\n\u003cp\u003eThis method is particularly important with the \u003cstrong\u003eYORK P Series 30,000 BTU\u003c\/strong\u003e, because a properly sized unit can provide excellent comfort, whereas an oversized or poorly positioned unit will deliver a much less convincing experience, even if the equipment itself operates perfectly.\u003c\/p\u003e\n\u003cp\u003eYORK documentation also points out that its mini-split systems were designed for residential and light commercial applications where requirements vary according to load and occupancy. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e2020 Documentation and Verification of the Model Actually Delivered\u003c\/h3\u003e\n\u003cp\u003eThe technical brochure used for this P Series is a Johnson Controls\/YORK publication dated \u003cstrong\u003eNovember 2020\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor this reason, when selling or replacing equipment, we always verify that the model numbers of the equipment actually available match the applicable technical documentation.\u003c\/p\u003e\n\u003cp\u003eThis verification is particularly important for the dimensions, refrigerant, electrical specifications, Wi-Fi accessories, and warranty.\u003c\/p\u003e\n\u003ch3\u003eWhy Have AirGreen Install Your YORK P Series\u003c\/h3\u003e\n\u003cp\u003eA 30K wall-mounted heat pump is more than an indoor unit mounted on the wall and an outdoor unit connected behind it.\u003c\/p\u003e\n\u003cp\u003eThe result depends on \u003cstrong\u003esizing, the refrigerant line route, drainage, positioning, electrical installation, commissioning, and post-installation follow-up\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, we carry out HVAC installations and services throughout \u003cstrong\u003eGreater Montreal\u003c\/strong\u003e, including \u003cstrong\u003eMontreal, Laval, Longueuil, the South Shore, and the North Shore\u003c\/strong\u003e. Our goal is to offer equipment that truly matches the building rather than selecting a capacity based solely on a quick estimate of the floor area.\u003c\/p\u003e\n\u003cp\u003eFor the \u003cstrong\u003eYORK P Series 18 SEER | 30,000 BTU Wall-Mounted Heat Pump\u003c\/strong\u003e, this notably means verifying that its high capacity, airflow of up to 706 CFM, 1\/4–5\/8 in. piping, and 208\/230 V power supply are truly suitable for the project before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eContact AirGreen for a quote, a sizing assessment, or to compare this YORK P Series 30K with other wall-mounted heat pumps suited to your property in Montreal, Laval, Longueuil, on the North Shore, or the South Shore. We can help you choose the HVAC configuration that suits the building, its use, and your comfort priorities.\u003c\/strong\u003e\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":56120363974948,"sku":"DHP30CSB21S","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_THERMOPOMPE_MURALE_YORK_SERIE_P_30000_BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_39c8a380-a9bf-48cc-9d73-cc55f51ca07e.png?v=1789426117"},{"product_id":"thermopompe-murale-york-serie-p-18-seer-36000-btu","title":"YORK P Series Wall-Mounted Heat Pump 18 SEER | 36000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA high-capacity wall-mounted heat pump that requires careful sizing in Quebec\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eA \u003cstrong\u003e36,000 BTU\u003c\/strong\u003e wall-mounted heat pump is not simply a larger version of a 12,000 or 18,000 BTU unit. At this capacity, the choice of location, the truly open floor area, air circulation, the building’s insulation level, and the thermal load become decisive. The \u003cstrong\u003eYORK P Series 18 SEER\u003c\/strong\u003e, consisting of the \u003cstrong\u003eDHP36NWB21S\u003c\/strong\u003e indoor unit and the \u003cstrong\u003eDHP36CSB21S\u003c\/strong\u003e outdoor unit, belongs precisely to this category of systems designed to handle a large area with a single wall-mounted unit.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, when we analyze this type of unit for a property in \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore, or the South Shore\u003c\/strong\u003e, our primary concern is never to choose the largest possible BTU rating. Instead, we check whether this capacity can be distributed properly throughout the space. A 36,000 BTU heat pump installed in a large open-plan area can make perfect sense. The same unit placed in a hallway with the expectation of cooling four bedrooms behind closed doors will deliver a much less convincing result.\u003c\/p\u003e\n\u003cp\u003eThe YORK P Series is an inverter heat pump using \u003cstrong\u003eR-410A\u003c\/strong\u003e, powered by \u003cstrong\u003e208\/230 V\u003c\/strong\u003e, with a published efficiency of \u003cstrong\u003e18 SEER\u003c\/strong\u003e for this capacity. YORK’s 2020 documentation places the model in the P 18 SEER range and confirms the DHP36NWB21S\/DHP36CSB21S pairing. It indicates a nominal cooling capacity of \u003cstrong\u003e33,600 BTU\/h\u003c\/strong\u003e, a nominal heating capacity of \u003cstrong\u003e34,600 BTU\/h\u003c\/strong\u003e, an EER of \u003cstrong\u003e8.2\u003c\/strong\u003e, a SEER of \u003cstrong\u003e18\u003c\/strong\u003e, and an HSPF of \u003cstrong\u003e9\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy is the product called “36,000 BTU” when the stated nominal capacity is 33,600 BTU\/h?\u003c\/h3\u003e\n\u003cp\u003eThis is an important technical detail that is often misunderstood.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e36,000 BTU\u003c\/strong\u003e in the commercial name refers to the system’s capacity class. However, the YORK technical specifications state a nominal cooling capacity of \u003cstrong\u003e33,600 BTU\/h\u003c\/strong\u003e. Thanks to its inverter compressor, the unit does not operate continuously at this fixed value: its published cooling capacity varies approximately from \u003cstrong\u003e7,404 to 35,997 BTU\/h\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIn heating mode, the published rated capacity is \u003cstrong\u003e34,600 BTU\/h\u003c\/strong\u003e, with a stated modulation range of \u003cstrong\u003e14,979 to 35,997 BTU\/h\u003c\/strong\u003e under the conditions described by the manufacturer. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis modulation is much more advantageous than operation that is exclusively on\/off. Once the desired temperature is approached, the compressor can reduce its speed rather than stopping abruptly and restarting a few minutes later. In a properly sized large room, this generally provides a more stable temperature and limits comfort fluctuations.\u003c\/p\u003e\n\u003ch3\u003eThe key technical data to know before installation\u003c\/h3\u003e\n\u003cp\u003eFor the \u003cstrong\u003eDHP36NWB21S \/ DHP36CSB21S\u003c\/strong\u003e pairing, the relevant data includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eCapacity class: 36,000 BTU\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated cooling capacity: 33,600 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCooling range: 7,404 to 35,997 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated heating capacity: 34,600 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePublished heating range: 14,979 to 35,997 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSEER: 18\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF: 9\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER: 8.2\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant: R-410A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePower supply: 208\/230 V, single-phase, 60 Hz\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCA: 24 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMOCP\/MOP: 40 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant piping: 1\/4 in liquid and 5\/8 in gas\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum total piping length: 98.5 ft \/ 30 m\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum elevation difference: 33 ft \/ 10 m\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor unit: approximately 53 × 13 × 10 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit: approximately 39 × 31 × 17 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor sound pressure: 37 to 54 dB(A), depending on the speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor sound pressure: 65 dB(A)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWi-Fi: available with CS532AH adapter\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDRCPX wireless remote control: standard\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAutomatic vertical and horizontal louver control\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHeating operating range: down to -20 °C according to the manufacturer's documentation\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe dimensions, airflow rates, sound levels, refrigerant connections, and piping limits are detailed in the YORK documentation for the 36,000 BTU model. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHigh airflow: an advantage in a large room, a constraint in a small space\u003c\/h3\u003e\n\u003cp\u003eThe DHP36NWB21S indoor unit is wide: approximately \u003cstrong\u003e53 inches\u003c\/strong\u003e. It is not a unit we install above a small window without carefully checking the clearances and room geometry.\u003c\/p\u003e\n\u003cp\u003eThe published maximum airflow reaches approximately \u003cstrong\u003e736 CFM\u003c\/strong\u003e. The other levels are approximately \u003cstrong\u003e647, 530, and 412 CFM\u003c\/strong\u003e. Indoor sound levels range from \u003cstrong\u003e37 dB(A)\u003c\/strong\u003e at low speed to \u003cstrong\u003e54 dB(A)\u003c\/strong\u003e at high speed. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese figures explain why placement matters so much. In a large living room with a high ceiling, a store, an open-plan space, or a large kitchen-dining-living area, this volume of air can help project conditioned air over a significant distance. Conversely, in a room that is far too small, occupants may feel the air movement more strongly and experience operating cycles that do not match the intended use.\u003c\/p\u003e\n\u003cp\u003eWe therefore favor a wall that allows the unit to blow along the length of the area rather than directly toward a sofa, bed, work table, or an area where occupants remain stationary for several hours.\u003c\/p\u003e\n\u003ch3\u003eAutomatic vertical and horizontal louvers: a particularly useful detail at 36,000 BTU\u003c\/h3\u003e\n\u003cp\u003eThe P Series includes airflow direction control with \u003cstrong\u003eautomatic vertical and horizontal swing\u003c\/strong\u003e, referred to in the documentation as “3D Auto Swing.” YORK also indicates up\/down and left\/right swing functions, as well as angular positioning. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOn a small heat pump, louver direction already improves comfort. On a unit with this capacity, it becomes even more important.\u003c\/p\u003e\n\u003cp\u003eIn cooling mode, we generally seek to take advantage of the natural circulation of cool air without directing a concentrated stream straight at occupants. In heating mode, the direction can be adjusted to push warm air more effectively toward the occupied area. Horizontal swing also helps distribute airflow over a wider area when a single wall-mounted head serves a large room.\u003c\/p\u003e\n\u003ch3\u003eDown to -20 °C in heating mode: what this figure actually means\u003c\/h3\u003e\n\u003cp\u003eThe documentation indicates a \u003cstrong\u003eheating operating range of -20 °C to 24 °C\u003c\/strong\u003e for model DHP36CSB21S. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHowever, a common mistake must be avoided: \u003cstrong\u003ea minimum operating temperature is not the same thing as a capacity guaranteed at that temperature\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe manufacturer confirms that the unit can operate down to -20 °C, but the supplied table does not provide a specific certified capacity for this model at -8 °C or -15 °C. We therefore would not present this heat pump as though it automatically delivered its nominal 34,600 BTU at -20 °C.\u003c\/p\u003e\n\u003cp\u003eThis is particularly important in Greater Montreal. A residence that intends to use a heat pump as its primary heating source must be assessed differently from a building where the unit supplements electric baseboard heaters, a furnace, or another heating system.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eYORK P Series\u003c\/strong\u003e can provide heating in cold weather, but it should not be confused with a modern heat pump specifically certified as \u003cstrong\u003eENERGY STAR cold climate\u003c\/strong\u003e with detailed capacity tables at very low temperatures.\u003c\/p\u003e\n\u003cp\u003eThe AirGreen product sheet provided for this model also identifies it as \u003cstrong\u003enot ENERGY STAR\u003c\/strong\u003e and \u003cstrong\u003enot ENERGY STAR Cold Climate\u003c\/strong\u003e. It currently lists no provincial LogisVert grant associated with the product. For a new project where the primary objective is to maximize grants and performance below -20 °C, we normally compare this option with newer cold-climate heat pumps before making a final recommendation.\u003c\/p\u003e\n\u003ch3\u003eBeware of the old SEER ratings and the new SEER2 ratings\u003c\/h3\u003e\n\u003cp\u003eThis heat pump comes from a generation documented by YORK in 2020. The manufacturer therefore presents its performance according to the \u003cstrong\u003eSEER, HSPF, and EER\u003c\/strong\u003e ratings used in that documentation: \u003cstrong\u003e18 SEER, 9 HSPF, and 8.2 EER\u003c\/strong\u003e for the 36,000 BTU model.\u003c\/p\u003e\n\u003cp\u003eAn SEER of 18 should not automatically be converted to “SEER2 18.” The testing methods are not identical.\u003c\/p\u003e\n\u003cp\u003eFor this reason, when we present this YORK P Series, we prefer to retain the manufacturer’s published values rather than create an approximate conversion. This approach avoids incorrectly comparing an older-generation heat pump with a newer unit whose certification is already expressed entirely in \u003cstrong\u003eSEER2 and HSPF2\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003e1\/4 in. - 5\/8 in. refrigerant fittings: to be checked before replacement\u003c\/h3\u003e\n\u003cp\u003eThe DHP36NWB21S\/DHP36CSB21S combination uses \u003cstrong\u003e1\/4 in. liquid and 5\/8 in. gas piping\u003c\/strong\u003e. YORK allows a maximum total length of approximately \u003cstrong\u003e98.5 feet\u003c\/strong\u003e, with a maximum elevation difference of \u003cstrong\u003e33 feet\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis information is particularly important when replacing an older heat pump.\u003c\/p\u003e\n\u003cp\u003eIt is tempting to automatically keep the existing piping because it already passes through several walls, a finished ceiling, or a difficult-to-access area. We never take this compatibility for granted simply because the two systems appear to have similar capacity.\u003c\/p\u003e\n\u003cp\u003eWe check the actual diameter of both lines, their condition, length, insulation, installation method, and compatibility with the new equipment. An incorrect diameter can affect oil return, pressures, compressor operation, and the system’s overall reliability.\u003c\/p\u003e\n\u003ch3\u003eThe electrical circuit must be designed for 24 A MCA and a maximum of 40 A\u003c\/h3\u003e\n\u003cp\u003eThe manufacturer specifies for the DHP36CSB21S a \u003cstrong\u003eminimum circuit ampacity of 24 A\u003c\/strong\u003e and \u003cstrong\u003emaximum overcurrent protection of 40 A\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis does not simply mean finding an empty space in the electrical panel.\u003c\/p\u003e\n\u003cp\u003eBefore an AirGreen installation in \u003cstrong\u003eMontreal, Laval, Longueuil, Boucherville, Terrebonne, Repentigny, Blainville, Saint-Eustache, Brossard, or elsewhere on the South Shore and North Shore\u003c\/strong\u003e, we must consider the panel capacity, dedicated circuit, wiring gauge, disconnecting means near the outdoor unit, and the electrical requirements applicable to the job.\u003c\/p\u003e\n\u003cp\u003eFor a 36,000 BTU heat pump, this check should be part of the initial planning, especially in an older property that still has a panel with limited capacity.\u003c\/p\u003e\n\u003ch3\u003eOptional Wi-Fi, wireless remote included\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDRCPX\u003c\/strong\u003e wireless remote is included as the standard controller with the P Series. Wi-Fi control is possible, but it requires the \u003cstrong\u003eCS532AH adapter\u003c\/strong\u003e. The YORK brochure states that the EWPE Smart app can be used with the P Series when this adapter is installed. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is an important distinction: Wi-Fi is not built into this version by default.\u003c\/p\u003e\n\u003cp\u003eFor a homeowner who mainly wants to adjust the setpoint, mode, fan speed, and louver direction from the room, the standard remote covers the essential functions. For a cottage, apartment, business, or simply for remote control from a phone, the Wi-Fi adapter may be useful.\u003c\/p\u003e\n\u003ch2\u003eWhat we check at AirGreen before recommending a YORK P Series 36,000 BTU\u003c\/h2\u003e\n\u003ch3\u003eHigh capacity does not replace proper air distribution\u003c\/h3\u003e\n\u003cp\u003eOne of the scenarios we regularly need to correct in HVAC is an oversized unit selected in the hope of “pushing” air into several enclosed rooms.\u003c\/p\u003e\n\u003cp\u003eA wall-mounted heat pump primarily heats and cools the space where its indoor unit is installed. A \u003cstrong\u003e36,000 BTU\u003c\/strong\u003e model can move more air than a small unit, but it does not turn a house with separate rooms into a central system.\u003c\/p\u003e\n\u003cp\u003eLet’s take a typical layout: a large ground floor comprising a kitchen, dining room, and living room with no major walls between the areas. A properly positioned large wall-mounted unit can be highly effective there because its airflow can circulate freely.\u003c\/p\u003e\n\u003cp\u003eNow, let’s place the same heat pump in a hallway with three enclosed bedrooms and a bathroom. Even with 36,000 BTUs available, the doors and partitions become the real obstacles. Adding capacity does not properly solve the distribution problem.\u003c\/p\u003e\n\u003cp\u003eIn this second case, we may recommend a different configuration: multiple zones, a multi-zone heat pump, a ducted system, or another solution better suited to the building.\u003c\/p\u003e\n\u003ch3\u003eA 53-inch indoor unit requires a proper installation plan\u003c\/h3\u003e\n\u003cp\u003eThe size of the indoor evaporator should be checked even before choosing its final position. At approximately \u003cstrong\u003e53 inches wide\u003c\/strong\u003e, sufficient space must be provided for mounting, connections, maintenance, and airflow.\u003c\/p\u003e\n\u003cp\u003eWe also assess the condensate drain route. A drain installed with an improper slope can cause drainage problems, noise, leaks, or an unnecessary need for a condensate pump.\u003c\/p\u003e\n\u003cp\u003eOutside, the \u003cstrong\u003e39 × 31 × 17 inch\u003c\/strong\u003e unit must be installed with sufficient clearance around the heat exchanger and fan. Its published sound pressure level is \u003cstrong\u003e65 dB(A)\u003c\/strong\u003e, which also warrants considering its position relative to bedrooms, patios, windows, and neighboring properties. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWarranty: why system registration matters\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen listing indicates a warranty of \u003cstrong\u003e10 years on the compressor, 10 years on parts, and 0 years on labor\u003c\/strong\u003e for this product.\u003c\/p\u003e\n\u003cp\u003eYORK documentation explains the warranty mechanism for this generation more precisely: the published standard coverage was \u003cstrong\u003e7 years on the compressor and 5 years on parts\u003c\/strong\u003e, while eligible system registration allowed an upgrade to extended protection of \u003cstrong\u003e10 years on the compressor and 10 years on parts\u003c\/strong\u003e. The manufacturer also mentioned a separate labor coverage option. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThat is why we recommend always validating the product registration, serial number, and applicable terms at the time of installation rather than simply keeping the invoice in a file.\u003c\/p\u003e\n\u003ch3\u003eWho is this heat pump best suited for?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eYORK P Series 18 SEER 36,000 BTU\u003c\/strong\u003e is primarily suitable when a very large open area requires substantial capacity and a single wall-mounted unit is a logical solution.\u003c\/p\u003e\n\u003cp\u003eIt may be suitable for a large open-concept ground floor, certain lofts, light commercial spaces, large family rooms, or properties where air conditioning is a major priority and supplemental heating already exists.\u003c\/p\u003e\n\u003cp\u003eWe would be much more cautious if the project required a primary heat pump for Quebec’s extreme cold, eligibility for cold-climate subsidy programs, or efficiency comparable to the best current-generation units.\u003c\/p\u003e\n\u003cp\u003eThis distinction is part of an HVAC contractor’s role: \u003cstrong\u003enot recommending a product solely because its rated capacity appears sufficient\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eInstallation in Montreal, Laval, Longueuil, the North Shore, and the South Shore\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen Air Conditioning \u0026amp; Heating\u003c\/strong\u003e, we can verify on-site whether this YORK heat pump truly matches the building, the thermal load, and the intended use.\u003c\/p\u003e\n\u003cp\u003eWe examine the actual area served, insulation, sun exposure, number of windows, ceiling height, airflow between rooms, electrical panel, refrigerant line routing, drainage, and the location of the outdoor unit, among other factors.\u003c\/p\u003e\n\u003cp\u003eThis assessment also determines whether a 36,000 BTU wall-mounted heat pump is preferable to two smaller units, a multi-zone system, or a central or ducted solution.\u003c\/p\u003e\n\u003cp\u003eFor homeowners in \u003cstrong\u003eMontreal, Laval, Longueuil, the South Shore, the North Shore, and Montérégie\u003c\/strong\u003e, this comparison is often more important than the difference between two technical specifications. A high-performance unit can only deliver its full performance when properly sized and installed.\u003c\/p\u003e\n\u003ch3\u003eRequest an AirGreen quote\u003c\/h3\u003e\n\u003cp\u003eTo obtain the price of the \u003cstrong\u003eYORK P Series 18 SEER Wall-Mounted Heat Pump | 36000 BTU\u003c\/strong\u003e, check its availability, or confirm whether the \u003cstrong\u003eDHP36NWB21S \/ DHP36CSB21S\u003c\/strong\u003e model is suitable for your property, contact \u003cstrong\u003eAirGreen Heat Pumps, Air Conditioning \u0026amp; Heating\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWe can compare this YORK with other wall-mounted solutions and recommend a configuration suited to your building rather than a capacity chosen solely based on the number of square feet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePhone: 514-316-2973\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eEmail: \u003ca class=\"decorated-link cursor-pointer\" rel=\"noopener\"\u003esales@airgreen.ca\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":56120364204324,"sku":"DHP36CSB21S","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_THERMOPOMPE_MURALE_YORK_SERIE_P_36000_BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_8e4aa07d-58c0-4faf-8dfc-7807d3a343f5.png?v=1789426159"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/collections\/THERMOPOMPE_MURALE_YORK_SERIE_P_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD.png?v=1790023940","url":"https:\/\/airgreen.ca\/en\/collections\/thermopompe-murale-york-serie-p-montreal-laval-rive-sud.oembed","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}