{"product_id":"thermopompe-murale-york-serie-z-28-seer-12000-btu-montreal-laval-rive-sud","title":"YORK Z Series Wall-Mounted Heat Pump 28 SEER | 12000 BTU | Montreal, Laval, South Shore","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eTargeted comfort for the living room, with an installation adapted to your building\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eFor an open-concept area in \u003cstrong\u003eMontreal\u003c\/strong\u003e, a floor in \u003cstrong\u003eLaval\u003c\/strong\u003e, or a living space on the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e, we look for more than a unit capable of producing cool air. We assess airflow between rooms, noise near occupants, heating needs, and the outdoor unit’s location. These factors determine the suitability of a \u003cstrong\u003e12,000 BTU wall-mounted heat pump\u003c\/strong\u003e far more reliably than an approximate match between floor area and capacity.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, we evaluate the \u003cstrong\u003eYORK Z Series\u003c\/strong\u003e based on its exact combination: the outdoor unit \u003cstrong\u003eDHZ12CSB21S\u003c\/strong\u003e and the indoor unit \u003cstrong\u003eDHZ12NWB21S\u003c\/strong\u003e. This single-zone system combines a variable-speed compressor, Wi-Fi control, and motorized louvers to adapt operation to the needs of the served zone. However, one clarification is necessary from the outset: the efficiency of this combination is not identical to the maximum figure presented in the range’s name. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eZ Series 28 SEER: the 12,000 BTU combination is rated at 23 SEER\u003c\/h3\u003e\n\u003cp\u003eThe name \u003cstrong\u003e“Z Series 28 SEER”\u003c\/strong\u003e refers to a range whose configurations can reach 28 SEER. For the \u003cstrong\u003eDHZ12NWB21S \/ DHZ12CSB21S\u003c\/strong\u003e system, YORK instead indicates an efficiency rating of \u003cstrong\u003e23 SEER\u003c\/strong\u003e. The 9,000 BTU system in this same series is presented as 28 SEER in the manufacturer’s sales catalog. We therefore distinguish the range’s trade name from the specifications of the selected unit. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe technical data sheet for this 12,000 BTU combination also specifies \u003cstrong\u003e12.7 EER\u003c\/strong\u003e and \u003cstrong\u003e10.5 HSPF\u003c\/strong\u003e. These values are published according to the former ratings; we do not present them as SEER2, EER2, or HSPF2 values, which correspond to a different evaluation method. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTo illustrate the value of seasonal efficiency, consider a theoretical comparison between two systems rated under the same SEER protocol. With identical seasonal cooling requirements, going from 16 to 23 SEER corresponds, according to these ratings, to approximately \u003cstrong\u003e30% less electricity for air conditioning\u003c\/strong\u003e: the calculation is 1 − 16 ÷ 23. We use this example to explain the ratings, not to promise a 30% reduction in a residence’s total utility bill. Heating, usage habits, and building characteristics require a separate analysis.\u003c\/p\u003e\n\u003ch3\u003eSpecifications for the YORK DHZ12CSB21S \/ DHZ12NWB21S system\u003c\/h3\u003e\n\u003cp\u003eWe use the following data to identify the system and prepare the technical assessment. The published capacity ranges do not represent guaranteed output at all outdoor temperatures. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\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\"\u003eFeature\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSystem data\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor unit\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDHZ12CSB21S\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndoor unit\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDHZ12NWB21S\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAHRI number listed on our sheet\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e8578589\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eSingle-zone, wall-mounted indoor unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated cooling capacity\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated heating capacity\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e13,000 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePublished cooling capacity range\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2,900 to 15,354 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePublished heating capacity range\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3,071 to 18,766 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnnounced outdoor operating limit for heating\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e−30 °C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eR-410A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eWi-Fi included\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndoor fan speeds\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e7\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePublished indoor airflow\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e265 to 471 ft³\/min\u003c\/strong\u003e, depending on speed\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 references are also useful during \u003cstrong\u003eHVAC maintenance\u003c\/strong\u003e, when looking for parts, or when checking the warranty. We recommend keeping the model and serial numbers of both units with the installation invoice.\u003c\/p\u003e\n\u003ch3\u003eAdjustable airflow to find the right balance between distribution and quiet operation\u003c\/h3\u003e\n\u003cp\u003eOur product sheet indicates indoor sound pressure ranging from \u003cstrong\u003e23 to 42 dB(A)\u003c\/strong\u003e, depending on operating conditions and fan speed. We therefore do not present 23 dB(A) as the unit’s constant noise level. This minimum corresponds to quiet operation, while a higher airflow rate is accompanied by a more noticeable sound level.\u003c\/p\u003e\n\u003cp\u003eFor a home-office workstation near the unit, we will look for a setting that avoids directing the airflow toward the occupant. For a longer open area, we will instead assess the air reach and louver orientation. The \u003cstrong\u003evertical and horizontal\u003c\/strong\u003e automatic controls allow this distribution to be adjusted without changing the unit’s location.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eincluded Wi-Fi\u003c\/strong\u003e connectivity adds a control option, but we always distinguish between the presence of the module and its setup. During the handover, we verify the app compatible with the supplied module and the conditions for connecting to the home network.\u003c\/p\u003e\n\u003ch3\u003eHeating down to −30 °C: an operating limit, not a constant capacity\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e−30 °C\u003c\/strong\u003e designation refers to the minimum outdoor operating temperature for heating announced by YORK. It does not mean that the unit automatically maintains its rated capacity of 13,000 BTU\/h at that temperature. The summary sheet does not provide detailed capacities and performance coefficients at −8 °C, −15 °C, or −30 °C. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTo size the heating system, we must bring together two pieces of information: the building’s heating needs in cold weather and the heat the unit can actually provide under those conditions. A stated minimum temperature does not replace this comparison.\u003c\/p\u003e\n\u003cp\u003eWe also assess the role of the existing heating system. In a home equipped with electric baseboards, our analysis must specify which rooms are served by the heat pump and which remain dependent on their local heating. We avoid recommending the removal of supplemental heating based solely on the “−30°C” rating.\u003c\/p\u003e\n\u003ch3\u003eA single wall-mounted unit does not create multiple independent zones\u003c\/h3\u003e\n\u003cp\u003eWe pay particular attention to the interior layout before recommending a \u003cstrong\u003e12,000 BTU YORK wall-mounted heat pump\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eConsider a planning scenario: a living room and dining room are largely connected, while two bedrooms open onto a corridor. We can consider a wall-mounted unit for the open space, but we would not promise identical temperatures in the bedrooms when their doors are closed. The issue to address would then be air distribution, not necessarily a lack of BTUs.\u003c\/p\u003e\n\u003cp\u003eOur assessment includes insulation, windows, solar exposure, ceilings, and other heat sources. We already apply this approach in our documented residential projects in Montreal, where capacity and airflow are assessed together. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eA YORK installation designed for the building, budget, and maintenance\u003c\/h2\u003e\n\u003ch3\u003eCheck the dimensions in the correct order\u003c\/h3\u003e\n\u003cp\u003eTo prepare the location, we use the order \u003cstrong\u003ewidth × depth × height\u003c\/strong\u003e. YORK diagrams indicate the following approximate dimensions:\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\"\u003eUnit\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eApproximate dimensions — W × D × H\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndoor unit\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e37.8 × 8.0 × 12.6 in.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor unit\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e35.4 × 14.9 × 23.5 in.\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\u003eThe order of the dimensions deserves particular attention: the indoor unit is approximately 8 inches deep, not 13 inches. The cabinet dimensions do not include all the clearances required for installation. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe therefore check the available space above and on the sides, the panel opening required for maintenance, and the routing of the lines. We avoid selecting a location simply because the unit appears to fit between two décor elements. Final clearances must comply with the model’s installation instructions. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003ePlan the piping before definitively choosing the location\u003c\/h3\u003e\n\u003cp\u003eThis combination uses a \u003cstrong\u003e1\/4 in.\u003c\/strong\u003e liquid line and a \u003cstrong\u003e1\/2 in.\u003c\/strong\u003e gas line. YORK publishes a maximum total piping length of \u003cstrong\u003e20 metres\u003c\/strong\u003e and a maximum height difference of \u003cstrong\u003e10 metres\u003c\/strong\u003e. These limits are used to verify route feasibility; they do not describe the lengths included in a quotation. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe examine the complete route rather than just the straight-line distance. An upper-floor installation may require an exterior drop, changes in direction, and routing around a balcony. For a replacement, we inspect the existing lines before proposing to reuse them.\u003c\/p\u003e\n\u003cp\u003eWe also plan the condensate drainage. The manual specifies routing that prevents the drain hose from rising. When the configuration does not allow for proper gravity drainage, we must consider another solution rather than concealing a problematic route behind a finish. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the electrical requirements: 13 A and 20 A do not mean the same thing\u003c\/h3\u003e\n\u003cp\u003eThe nominal voltage published by YORK is \u003cstrong\u003e208\/230 V, single-phase, 60 Hz\u003c\/strong\u003e. The other two important values are the \u003cstrong\u003eminimum circuit ampacity of 13 A\u003c\/strong\u003e, or MCA, and the \u003cstrong\u003emaximum overcurrent protection of 20 A\u003c\/strong\u003e, or MOP\/MOCP. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe use the former for circuit sizing and the latter to comply with the protection limit specified by the manufacturer. They do not represent a measurement of the heat pump's continuous power consumption.\u003c\/p\u003e\n\u003cp\u003eWe have the wiring, power circuit, and protective devices verified according to the nameplate and the requirements applicable to the job site. The presence of an available circuit in the panel alone is not enough to confirm that it is suitable for this unit. The YORK manual expressly requires compliance with local electrical requirements. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eAn AirGreen project in Westmount illustrating the importance of proper support\u003c\/h3\u003e\n\u003cp\u003eIn an AirGreen project documented in \u003cstrong\u003eWestmount\u003c\/strong\u003e, we installed a \u003cstrong\u003eHitachi airHome 400\u003c\/strong\u003e on a wooden balcony. The project required a guardrail-independent metal support, a compact routing path for the lines, and particular attention to vegetation, occupant access, and service access. It involved a different unit, but the building constraints were decisive. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFrom this type of project, we draw a practical design rule: the outdoor unit must be assessed in relation to its immediate surroundings. A chair, planter, or railing can change the space actually available after the work is complete.\u003c\/p\u003e\n\u003cp\u003eFor a \u003cstrong\u003eYORK Z Series\u003c\/strong\u003e project, we revisit this analysis using the model's specific dimensions and requirements. We look for a location that also allows for future maintenance, rather than an installation designed solely to be compact on the day of delivery.\u003c\/p\u003e\n\u003ch3\u003eCommissioning is not limited to confirming that air is coming out\u003c\/h3\u003e\n\u003cp\u003eThe Z Series manual specifically calls for leak checks, evacuation, and testing after installation. We incorporate these checks into the commissioning preparation, along with verifying drainage and connections. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe then provide occupants with guidance tailored to their needs: mode selection, fan-speed adjustment, louver direction, and filter access. Our goal is for them to understand daily operation, not merely receive the remote control.\u003c\/p\u003e\n\u003cp\u003eWe also recommend keeping a clear photograph of the nameplates. This precaution simplifies system identification when requesting service.\u003c\/p\u003e\n\u003ch3\u003eA quoted price that specifies the work and warranties\u003c\/h3\u003e\n\u003cp\u003eThe price of this \u003cstrong\u003eYORK wall-mounted heat pump\u003c\/strong\u003e is available upon request. We prepare the estimate based on the two units, the refrigerant line route, electrical work, outdoor support, drainage, and access conditions. A replacement with a straightforward route should not be compared without distinction to a high-level installation requiring new pathways.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we provide a \u003cstrong\u003efree on-site estimate\u003c\/strong\u003e and a final quote before the work begins. This approach clarifies what is included rather than leaving accessories and modifications uncertain. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOur documentation presents a \u003cstrong\u003e10-10-0-year\u003c\/strong\u003e warranty: ten years for the compressor, ten years for parts, and no labor coverage included in this indication. Additional protection may be available. We specify the applicable conditions, any registration requirements, and the selected labor coverage in the offer.\u003c\/p\u003e\n\u003ch3\u003eLogisVert: do not include unconfirmed financial assistance in the budget\u003c\/h3\u003e\n\u003cp\u003eOur product sheet identifies this system as \u003cstrong\u003enot ENERGY STAR® certified\u003c\/strong\u003e and not ENERGY STAR® certified for cold climates. We therefore do not present a subsidy as guaranteed for this model.\u003c\/p\u003e\n\u003cp\u003eHydro-Québec requires \u003cstrong\u003eENERGY STAR®\u003c\/strong\u003e certification for heat pumps installed on or after \u003cstrong\u003eNovember 26, 2025\u003c\/strong\u003e to be eligible for financial assistance under \u003cstrong\u003eLogisVert\u003c\/strong\u003e. An attractive SEER rating or an AHRI number does not replace this requirement. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBefore calculating a post-rebate cost, we verify the combination and installation date in the official tool, particularly using \u003cstrong\u003eAHRI 8578589\u003c\/strong\u003e. When financial assistance is a priority, we compare the project cost with that of a solution whose eligibility has been confirmed. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eMaintaining the system and providing the right information when there is a problem\u003c\/h3\u003e\n\u003cp\u003eWe recommend ensuring easy access to the filters and following the maintenance instructions for the unit. The manual specifically reminds users not to operate the unit without its filters and to leave work on electrical components to qualified personnel. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTo prepare a \u003cstrong\u003eservice call\u003c\/strong\u003e, we ask for useful information: the selected mode, the set temperature, the room concerned, and a photograph of the displayed code, if there is one. A description such as “air is circulating, but the room is not cooling” helps guide the assessment better than simply mentioning a breakdown.\u003c\/p\u003e\n\u003cp\u003eWe also recommend keeping the outdoor area clear and accessible. In our Westmount project, the proximity of vegetation and furniture clearly illustrated why using the balcony had to remain compatible with the equipment's needs after installation. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eLet's talk about your YORK project in Greater Montreal\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, we help you assess the model, its capacity, the work required, and the actual budget. For a \u003cstrong\u003ewall-mounted heat pump installation in Montreal, Laval, Longueuil, the North Shore, or the South Shore\u003c\/strong\u003e, contact us at \u003cstrong\u003e514-316-2973\u003c\/strong\u003e or write to \u003cstrong\u003e\u003ca class=\"decorated-link cursor-pointer\" rel=\"noopener\"\u003esales@airgreen.ca\u003c\/a\u003e\u003c\/strong\u003e. We will prepare a quote with you specifying the equipment, inclusions, and applicable warranties.\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":56120449106212,"sku":"DHZ12CSB21S","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_Z_12000_BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_0a44cb88-6a77-467b-bb90-4b6b374af6e0.png?v=1789426160","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-murale-york-serie-z-28-seer-12000-btu-montreal-laval-rive-sud","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}