{"title":"Thermopompe Murale YORK Série X | Montréal, Laval, Rive Sud","description":null,"products":[{"product_id":"mini-split-york-serie-x-23-seer-9000-btu-115v","title":"YORK X Series Mini Split 23 SEER | 9000 BTU 115V","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA compact, efficient 115 V wall-mounted heat pump, particularly appealing when the electrical supply imposes constraints\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYORK X Series 23 SEER Mini Split | 9000 BTU 115V\u003c\/strong\u003e occupies a somewhat unique position among wall-mounted heat pumps. Its rated capacity of \u003cstrong\u003e9,000 BTU\/h\u003c\/strong\u003e, \u003cstrong\u003e115 V\u003c\/strong\u003e power supply, and published seasonal efficiency of \u003cstrong\u003e23 SEER\u003c\/strong\u003e make it a suitable solution for small residential areas where installing a much larger unit powered by 208\/230 V would be unnecessary—or sometimes complicated.\u003c\/p\u003e\n\u003cp\u003eThe system consists of the \u003cstrong\u003eDHX09NWB11S\u003c\/strong\u003e indoor unit and the \u003cstrong\u003eDHX09CSB11S\u003c\/strong\u003e outdoor unit. YORK identifies it in its documentation as a wall-mounted inverter heat pump from the \u003cstrong\u003eX Series\u003c\/strong\u003e, designed to heat and cool a single zone. The manufacturer’s brochure also presents the X Series as a range offering up to \u003cstrong\u003e23 SEER\u003c\/strong\u003e, with inverter technology, quiet operation, a rugged steel outdoor chassis, corrosion-resistant coating, and demand-based defrosting. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen Climatisation \u0026amp; Chauffage\u003c\/strong\u003e, we are particularly interested in this type of model for projects where the question is not simply “how many BTUs are needed?” but also: what electrical circuit is available, what is the actual size of the room, where can the outdoor unit be installed, and how much piping will need to be planned?\u003c\/p\u003e\n\u003cp\u003eIn \u003cstrong\u003eMontreal, Laval, Longueuil, on the North Shore and the South Shore\u003c\/strong\u003e, these details often make the difference between a straightforward installation and one that requires electrical work, finish modifications, or a much more complex line-set route.\u003c\/p\u003e\n\u003ch3\u003eKey technical figures for the YORK DHX09NWB11S \/ DHX09CSB11S\u003c\/h3\u003e\n\u003cp\u003eThe YORK brochure provides very precise data for this 115 V combination. The rated cooling capacity is \u003cstrong\u003e9,000 BTU\/h\u003c\/strong\u003e, but the inverter compressor allows modulation from \u003cstrong\u003e2,764 to 10,918 BTU\/h\u003c\/strong\u003e. In heating mode, the rated capacity reaches \u003cstrong\u003e9,900 BTU\/h\u003c\/strong\u003e, with a published modulation range of \u003cstrong\u003e2,081 to 13,989 BTU\/h\u003c\/strong\u003e. The stated efficiency is \u003cstrong\u003e23 SEER\u003c\/strong\u003e, \u003cstrong\u003e10.5 HSPF\u003c\/strong\u003e, and \u003cstrong\u003e13 EER\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a small wall-mounted heat pump, this modulation range is significant. The unit does not need to run continuously at 9,000 BTU. When the heating or cooling load decreases, the inverter can reduce output to maintain a more stable temperature.\u003c\/p\u003e\n\u003cp\u003eThe main technical specifications are as follows:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor unit: DHX09NWB11S\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit: DHX09CSB11S\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated cooling capacity: 9,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCooling range: 2,764 to 10,918 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated heating capacity: 9,900 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHeating range: 2,081 to 13,989 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSEER: 23\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER: 13\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF: 10.5\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: 115 V, single-phase, 60 Hz\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCA: 12 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMOCP\/MOP: 20 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated current in cooling: 6.2 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated current in heating: 6.2 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePiping: 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 \/ 15 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\u003eHeating operating range: down to -20 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCooling operating range: up to 46 °C outdoor temperature\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor sound level: 26 to 43 dB(A)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor sound level: 53 dB(A)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor unit dimensions: approximately 33 × 11 × 8 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit dimensions: approximately 33 × 21 × 12.5 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWi-Fi: optional with CS532AH adapter\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDRCPX wireless remote control: included\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese airflow, sound level, dimensions, connection, and operating range values are those published by YORK for the 9,000 BTU 115 V model in the X Series. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy 115 V can really simplify certain projects\u003c\/h3\u003e\n\u003cp\u003eMost wall-mounted heat pumps of comparable capacity that we encounter today are powered by 208\/230 V. The \u003cstrong\u003eDHX09CSB11S operates at 115 V\u003c\/strong\u003e, which can be an advantage in certain buildings where the existing electrical infrastructure limits the options.\u003c\/p\u003e\n\u003cp\u003eThis obviously does not mean that a 115 V appliance can be plugged into just any wall outlet. A \u003cstrong\u003eprofessional HVAC installation\u003c\/strong\u003e must always comply with the manufacturer's electrical specifications, the applicable Code, the required protections, and installation requirements.\u003c\/p\u003e\n\u003cp\u003eHere, YORK specifies a \u003cstrong\u003eminimum circuit ampacity of 12 A\u003c\/strong\u003e and a maximum protection of \u003cstrong\u003e20 A\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn an older \u003cstrong\u003eMontreal\u003c\/strong\u003e duplex, a condo, a small \u003cstrong\u003eLaval\u003c\/strong\u003e apartment, or a room added on the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e, this feature can nevertheless avoid a more complex 240 V configuration when the building conditions permit.\u003c\/p\u003e\n\u003cp\u003eThis is exactly the kind of detail we check before recommending a model: a voltage difference that may seem minor on a specification sheet can have a direct impact on feasibility, cost, and the simplicity of the installation.\u003c\/p\u003e\n\u003ch3\u003e9,000 BTU: a capacity to size according to the room, not solely according to square footage\u003c\/h3\u003e\n\u003cp\u003eA common mistake is to automatically associate a 9,000 BTU capacity with a specific number of square feet.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we avoid this shortcut.\u003c\/p\u003e\n\u003cp\u003eTwo rooms of the same size can have completely different heating and cooling loads. We examine in particular:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003einsulation quality;\u003c\/li\u003e\n\u003cli\u003ethe number and size of windows;\u003c\/li\u003e\n\u003cli\u003esolar orientation;\u003c\/li\u003e\n\u003cli\u003ethe floor of the dwelling;\u003c\/li\u003e\n\u003cli\u003eceiling height;\u003c\/li\u003e\n\u003cli\u003eexposure of exterior walls;\u003c\/li\u003e\n\u003cli\u003ethe number of occupants;\u003c\/li\u003e\n\u003cli\u003eheat-generating equipment;\u003c\/li\u003e\n\u003cli\u003eair circulation to adjacent rooms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA properly sized 9,000 BTU unit can maintain a very stable temperature. The same unit installed in a room with a higher thermal load than its capacity may run continuously without achieving the desired comfort.\u003c\/p\u003e\n\u003cp\u003eThe opposite is not better: an oversized heat pump may reach its setpoint quickly but may not run long enough under certain conditions to provide the best possible dehumidification.\u003c\/p\u003e\n\u003ch3\u003eInverter modulation significantly changes how a 9,000 BTU unit operates\u003c\/h3\u003e\n\u003cp\u003eThe stated minimum cooling capacity of \u003cstrong\u003e2,764 BTU\/h\u003c\/strong\u003e is particularly noteworthy.\u003c\/p\u003e\n\u003cp\u003eSuppose a bedroom or small living room requires high capacity during a very hot day, followed by much less cooling in the evening. Instead of operating only at full capacity before shutting off, the unit can reduce its output.\u003c\/p\u003e\n\u003cp\u003eThe same principle applies to heating, since YORK indicates modulation ranging from \u003cstrong\u003e2,081 to 13,989 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis wide range helps limit repeated starts and stops when only a small amount of capacity is needed to maintain the setpoint.\u003c\/p\u003e\n\u003cp\u003eThis is one of the factors we consider when comparing an inverter heat pump with an older wall- or window-mounted air conditioner that operates mainly in on\/off mode.\u003c\/p\u003e\n\u003ch3\u003eIndoor operation as quiet as 26 dB(A)\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit offers four published airflow levels: approximately \u003cstrong\u003e400, 288, 241, and 171 CFM\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe sound pressure level varies accordingly between \u003cstrong\u003e43, 38, 32, and 26 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a bedroom, home office, or small living room, this minimum value of \u003cstrong\u003e26 dB(A)\u003c\/strong\u003e is significant. It does not mean that the unit always operates at 26 dB(A), since the fan and compressor adjust to the demand. However, it indicates that at low fan speed, indoor operation can be very quiet.\u003c\/p\u003e\n\u003cp\u003eWe also pay attention to where the unit is installed. Even a quiet system becomes less comfortable if the air is directed straight at the bed, a workstation, or the sofa.\u003c\/p\u003e\n\u003cp\u003eA good installation is therefore not just about finding enough space on the wall. The actual path of the airflow must also be considered.\u003c\/p\u003e\n\u003ch3\u003eA compact unit that makes installation easier in small rooms\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit measures approximately \u003cstrong\u003e33 in. wide, 11 in. deep, and 8 in. high\u003c\/strong\u003e. The outdoor unit is also relatively compact, measuring approximately \u003cstrong\u003e33 × 21 × 12.5 in.\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn some properties in \u003cstrong\u003eLongueuil\u003c\/strong\u003e, Montréal, or Laval, we have to work around short walls, high windows, closets, existing pipes, or façade constraints. These dimensions are therefore useful as early as the estimation stage.\u003c\/p\u003e\n\u003cp\u003eWe want to leave enough space around the indoor unit to allow proper air intake and make \u003cstrong\u003eHVAC maintenance\u003c\/strong\u003e accessible. Outdoors, we must also respect the clearances required for air circulation, servicing, and winter operation.\u003c\/p\u003e\n\u003ch3\u003eHeating down to -20 °C: information that must be interpreted correctly\u003c\/h3\u003e\n\u003cp\u003eYORK indicates 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, for the DHX09CSB11S. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis means that the unit is designed to be able to operate down to this minimum outdoor temperature.\u003c\/p\u003e\n\u003cp\u003eHowever, the \u003cstrong\u003eminimum operating temperature\u003c\/strong\u003e should not be confused with \u003cstrong\u003efull capacity guaranteed at -20 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe documentation provided lists the nominal capacities and modulation ranges, but it does not publish a complete capacity curve at every outdoor temperature for the 115 V model in this table.\u003c\/p\u003e\n\u003cp\u003eThe AirGreen specifications also indicate values of \u003cstrong\u003e8,400 BTU at -8 °C\u003c\/strong\u003e and \u003cstrong\u003e8,700 BTU at -15 °C\u003c\/strong\u003e for this combination. For a homeowner planning to use the unit primarily as a heating source during the Quebec winter, we nevertheless recommend analyzing the building’s heating load and comparing the model with newer cold-climate heat pumps when very-low-temperature heating is the absolute priority.\u003c\/p\u003e\n\u003ch3\u003e23 SEER, but be careful not to confuse it with 23 SEER2\u003c\/h3\u003e\n\u003cp\u003eThe YORK brochure dates from 2020 and uses the older \u003cstrong\u003eSEER, EER, and HSPF\u003c\/strong\u003e metrics.\u003c\/p\u003e\n\u003cp\u003eFor this model, the published values are:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e23 SEER, 13 EER, and 10.5 HSPF.\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIt is important not to automatically present this rating as \u003cstrong\u003e23 SEER2\u003c\/strong\u003e. The SEER2 testing procedures introduced later are not identical to those used for the older SEER ratings.\u003c\/p\u003e\n\u003cp\u003eFor this reason, when comparing it with a modern heat pump advertised at 20 or 22 SEER2, data established using the same methods must be compared before concluding that one unit is more efficient than another.\u003c\/p\u003e\n\u003cp\u003eThis technical distinction helps avoid a common error in HVAC product comparisons.\u003c\/p\u003e\n\u003ch2\u003eWhat we look at at AirGreen before installing this YORK X Series system in Montréal, Laval, Longueuil, the North Shore, or the South Shore\u003c\/h2\u003e\n\u003ch3\u003e1\/4 in. – 3\/8 in. piping is a critical point when replacing a system\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHX09CSB11S\u003c\/strong\u003e uses a \u003cstrong\u003e1\/4 in.\u003c\/strong\u003e liquid connection and a \u003cstrong\u003e3\/8 in.\u003c\/strong\u003e gas connection. The published maximum length is \u003cstrong\u003e49.2 ft\u003c\/strong\u003e, with a maximum elevation difference of \u003cstrong\u003e33 ft\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWhen replacing an old heat pump, we never assume that the existing lines can automatically be reused.\u003c\/p\u003e\n\u003cp\u003eWe verify:\u003c\/p\u003e\n\u003ch4\u003eThe actual line diameter\u003c\/h4\u003e\n\u003cp\u003eA refrigerant line whose diameter does not meet the manufacturer's requirements can compromise system operation.\u003c\/p\u003e\n\u003ch4\u003eThe condition of the copper\u003c\/h4\u003e\n\u003cp\u003eA crushed, contaminated, poorly insulated line or one with questionable connections must be corrected.\u003c\/p\u003e\n\u003ch4\u003eThe total length\u003c\/h4\u003e\n\u003cp\u003eWhen the outdoor unit is located at the other end of the building, the \u003cstrong\u003e49.2-foot maximum\u003c\/strong\u003e becomes a real design constraint.\u003c\/p\u003e\n\u003ch4\u003eThe drain path\u003c\/h4\u003e\n\u003cp\u003eThe condensate must be properly drained. An inadequate slope can cause water to accumulate or require a condensate pump.\u003c\/p\u003e\n\u003ch3\u003eWi-Fi is available, but it is not included as standard\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDRCPX\u003c\/strong\u003e remote control is included with the X Series. YORK also offers control through the \u003cstrong\u003eEWPE Smart\u003c\/strong\u003e app, but P and X models require the \u003cstrong\u003eCS532AH\u003c\/strong\u003e adapter to enable Wi-Fi connectivity. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis distinction should be clearly explained at the time of purchase.\u003c\/p\u003e\n\u003cp\u003eA customer who plans to use only the remote control does not necessarily need this option. However, Wi-Fi can be useful for a cottage, rental property, office, or simply for adjusting the temperature remotely.\u003c\/p\u003e\n\u003ch3\u003eSmart defrosting and outdoor construction suited to regular use\u003c\/h3\u003e\n\u003cp\u003eFor the X Series, YORK highlights a \u003cstrong\u003eheavy-gauge steel chassis\u003c\/strong\u003e, a \u003cstrong\u003ecorrosion-resistant coating\u003c\/strong\u003e, quiet operation, and demand-based defrosting rather than a rigid cycle. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn winter, defrosting is essential for a heat pump. When the outdoor heat exchanger accumulates frost, the system must periodically remove it to maintain efficient heat exchange.\u003c\/p\u003e\n\u003cp\u003eDefrosting triggered when necessary is intended to limit unnecessary cycles, helping reduce the energy losses associated with this operation.\u003c\/p\u003e\n\u003ch3\u003eWarranty: verify registration rather than relying solely on the number of years displayed\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen listing indicates a \u003cstrong\u003e10-year compressor, 10-year parts, 0-year labor\u003c\/strong\u003e warranty for this system, with the possibility of an additional warranty.\u003c\/p\u003e\n\u003cp\u003eThe YORK brochure for this generation nevertheless states that the published standard warranty was \u003cstrong\u003e7 years on the compressor and 5 years on parts\u003c\/strong\u003e, while residential registration of the system allowed an extension to \u003cstrong\u003e10 years on the compressor and 10 years on parts\u003c\/strong\u003e. A separate labor warranty program was also presented. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWhen installing or purchasing equipment from older inventory, we therefore recommend confirming eligibility, the installation date, registration, and the warranty terms applicable to the specific serial number.\u003c\/p\u003e\n\u003ch3\u003eA Scenario Where This Model Makes Perfect Sense\u003c\/h3\u003e\n\u003cp\u003eA typical example would be a small independent zone in a property without ductwork: a primary bedroom located far from the central system, a finished office, a small apartment, a home extension, or a space where an old window air conditioner needs to be replaced.\u003c\/p\u003e\n\u003cp\u003eFor this type of project, 9,000 BTU can make much more sense than an 18,000 BTU unit chosen “for safety.”\u003c\/p\u003e\n\u003cp\u003eThe right approach is to calculate the actual need and take advantage of the system’s modulation capacity.\u003c\/p\u003e\n\u003cp\u003eWe prefer to install \u003cstrong\u003ethe right capacity in the right location\u003c\/strong\u003e rather than compensate for poor air distribution with more BTUs.\u003c\/p\u003e\n\u003ch3\u003eWho Do We Primarily Recommend the YORK X Series 9000 BTU 115V to?\u003c\/h3\u003e\n\u003cp\u003eThis system is particularly suitable for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea small, well-defined residential zone;\u003c\/li\u003e\n\u003cli\u003ea bedroom or office where noise level is important;\u003c\/li\u003e\n\u003cli\u003ea property where a \u003cstrong\u003e115 V\u003c\/strong\u003e power supply is an advantage;\u003c\/li\u003e\n\u003cli\u003ea building without ductwork;\u003c\/li\u003e\n\u003cli\u003ea renovation where minimizing work is a priority;\u003c\/li\u003e\n\u003cli\u003ean installation where the refrigerant line run remains within the manufacturer’s limit;\u003c\/li\u003e\n\u003cli\u003ea homeowner seeking an inverter heat pump offering high seasonal efficiency for its generation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is less suitable when several closed bedrooms must be heated from a single unit, when the actual thermal load exceeds 9,000 BTU, or when the project primarily requires cold-climate performance and the certifications of current-generation heat pumps.\u003c\/p\u003e\n\u003ch3\u003eWhy Entrust Sizing and Installation to AirGreen\u003c\/h3\u003e\n\u003cp\u003eA proper \u003cstrong\u003ewall-mounted heat pump installation in Montreal, Laval, Longueuil, the North Shore, or the South Shore\u003c\/strong\u003e involves more than mounting two units and connecting two pipes.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, we analyze the project as a whole: capacity, electrical supply, indoor location, outdoor clearances, noise, drainage, piping, future maintenance accessibility, and the system’s expected performance in both heating and cooling modes.\u003c\/p\u003e\n\u003cp\u003eFor a compact unit such as the \u003cstrong\u003eYORK X Series 23 SEER 9000 BTU 115V\u003c\/strong\u003e, this preparation allows you to truly benefit from its advantages: low minimum capacity, quiet indoor operation, compact design, and 115 V power supply.\u003c\/p\u003e\n\u003ch3\u003eRequest Your AirGreen Quote\u003c\/h3\u003e\n\u003cp\u003eTo determine whether the \u003cstrong\u003eYORK X Series 23 SEER Mini Split | 9000 BTU 115V\u003c\/strong\u003e, models \u003cstrong\u003eDHX09NWB11S \/ DHX09CSB11S\u003c\/strong\u003e, is suitable for your property, contact \u003cstrong\u003eAirGreen Heat Pumps, Air Conditioning \u0026amp; Heating\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWe can assess your space, check the electrical requirements, and compare this YORK with other wall-mounted solutions suited to your project in \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore, the South Shore, and Montérégie\u003c\/strong\u003e.\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":56120414306596,"sku":"DHX09CSB11S","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_MINI_SPLIT_YORK_SERIE_X_9000_BTU_115V_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_44db7dba-bd8f-4f87-ad4e-a5d418e8ac72.png?v=1789425740"},{"product_id":"mini-split-york-serie-x-23-seer-12000-btu-115v","title":"YORK X Series Mini Split 23 SEER | 12000 BTU 115V","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA 115 V wall-mounted heat pump distinguished primarily by its modulation, efficiency, and ease of integration\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYORK X Series 23 SEER Mini Split | 12,000 BTU 115V\u003c\/strong\u003e meets a fairly specific need in the residential HVAC market: obtaining a \u003cstrong\u003e12,000 BTU\u003c\/strong\u003e inverter wall-mounted heat pump without necessarily switching to a 208\/230 V power supply. This configuration can be particularly attractive for certain homes, condominiums, additions, and small commercial spaces in the \u003cstrong\u003eGreater Montreal Area\u003c\/strong\u003e, provided that the available electrical circuit and the building's heating and cooling load are genuinely compatible with the unit.\u003c\/p\u003e\n\u003cp\u003eThe system examined here consists of the \u003cstrong\u003eDHX12NWB11S\u003c\/strong\u003e indoor unit and the \u003cstrong\u003eDHX12CSB11S\u003c\/strong\u003e outdoor unit. YORK officially classifies this combination in its \u003cstrong\u003eX Series\u003c\/strong\u003e, a family of high-efficiency wall-mounted heat pumps offered in 115 V and 208\/230 V configurations depending on capacity. The YORK brochure confirms that the 12K 115 V model uses this exact indoor\/outdoor pair. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, we believe that a 12,000 BTU unit should be selected based on the actual building rather than a simple rule based on square footage. In \u003cstrong\u003eMontreal\u003c\/strong\u003e, an older apartment with masonry walls, air infiltration, and large windows may have a very different load from a newer condo in \u003cstrong\u003eLaval\u003c\/strong\u003e. In \u003cstrong\u003eLongueuil\u003c\/strong\u003e, on the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e, or on the \u003cstrong\u003eNorth Shore\u003c\/strong\u003e, solar orientation, floor level, ceiling height, and room layout also influence the result.\u003c\/p\u003e\n\u003ch3\u003e“X Series 23 SEER” does not mean that this specific model is rated at 23 SEER\u003c\/h3\u003e\n\u003cp\u003eThis distinction deserves to be explained clearly.\u003c\/p\u003e\n\u003cp\u003eYORK presents the family as the \u003cstrong\u003eX Series up to 23 SEER\u003c\/strong\u003e. The catalog indeed states “X Series – Up to 23 SEER.” \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHowever, for the specific \u003cstrong\u003eDHX12NWB11S \/ DHX12CSB11S combination at 115 V\u003c\/strong\u003e, the manufacturer's technical table indicates:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e of rated cooling capacity;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12,200 BTU\/h\u003c\/strong\u003e of rated heating capacity;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e22 SEER\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12.5 EER\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10.2 HSPF\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 23 SEER therefore corresponds to the maximum efficiency achieved by certain models in the X Series, notably the 9,000 BTU 115 V model, while the \u003cstrong\u003e12,000 BTU 115 V is rated at 22 SEER in the YORK brochure\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor a buyer comparing several wall-mounted heat pumps, this distinction is important. We always recommend comparing the exact combination of indoor and outdoor models rather than relying solely on the general series name.\u003c\/p\u003e\n\u003cp\u003eThe data should also not be converted into SEER2 values. The documentation for this generation uses the older \u003cstrong\u003eSEER, EER, and HSPF\u003c\/strong\u003e ratings, not the newer SEER2, EER2, and HSPF2 ratings.\u003c\/p\u003e\n\u003ch3\u003eA 12,000 BTU capacity that can modulate well beyond the nominal rating\u003c\/h3\u003e\n\u003cp\u003eInverter operation is one of the most interesting features of this YORK X Series.\u003c\/p\u003e\n\u003cp\u003eIts rated cooling capacity is \u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e, but its compressor can modulate from \u003cstrong\u003e3,514 to 14,569 BTU\/h\u003c\/strong\u003e. In heating, the rated capacity is \u003cstrong\u003e12,200 BTU\/h\u003c\/strong\u003e, with a published range of \u003cstrong\u003e2,764 to 16,582 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis modulation range explains the heat pump’s actual behavior much better than a simple 12,000 BTU figure.\u003c\/p\u003e\n\u003cp\u003eWhen a home approaches its setpoint temperature, the system does not need to continuously operate at maximum capacity. It can reduce its output, promoting longer and more stable operating periods.\u003c\/p\u003e\n\u003cp\u003eIn a properly sized installation, this can help:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ereduce temperature fluctuations;\u003c\/li\u003e\n\u003cli\u003elimit repeated starts and stops;\u003c\/li\u003e\n\u003cli\u003eimprove dehumidification in summer;\u003c\/li\u003e\n\u003cli\u003ereduce abrupt changes in noise;\u003c\/li\u003e\n\u003cli\u003emaintain more consistent comfort.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConversely, installing a 12,000 BTU unit in a space whose actual load is far too low can limit the benefits of this modulation. Even an inverter system has a minimum capacity, here approximately \u003cstrong\u003e3,514 BTU\/h in cooling\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhy a 115 V power supply can be advantageous\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHX12CSB11S operates at 115 V, single-phase, 60 Hz\u003c\/strong\u003e. The brochure indicates a rated current of \u003cstrong\u003e8.8 A\u003c\/strong\u003e in cooling and also \u003cstrong\u003e8.8 A\u003c\/strong\u003e in heating. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor some properties, this feature can make the project easier 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 can be plugged into just any existing wall outlet.\u003c\/p\u003e\n\u003cp\u003eYORK specifies the following for this combination:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMCA: 15 A\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eMOCP: 25 A\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMCA corresponds to the minimum circuit ampacity, while MOCP represents the maximum overcurrent protection permitted by the manufacturer. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we therefore always check the available power supply before installation. In older buildings in \u003cstrong\u003eMontréal\u003c\/strong\u003e, for example, seeing a 115 V outlet nearby is absolutely not enough to confirm that the circuit is suitable for the heat pump.\u003c\/p\u003e\n\u003cp\u003eThe power supply, conductor gauge, protection, and connection must comply with applicable electrical requirements.\u003c\/p\u003e\n\u003ch3\u003eFour airflow rates: 400, 288, 241, and 171 CFM\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit \u003cstrong\u003eDHX12NWB11S\u003c\/strong\u003e offers four airflow rates published by YORK:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e400 \/ 288 \/ 241 \/ 171 CFM\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe sound pressure level varies simultaneously between \u003cstrong\u003e45 \/ 40 \/ 34 \/ 28 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis helps clarify what “quiet operation” really means.\u003c\/p\u003e\n\u003cp\u003eAt low speed, the manufacturer specifies \u003cstrong\u003e28 dB(A)\u003c\/strong\u003e. When the load increases and the unit must move up to 400 CFM, the sound level rises to 45 dB(A). It is therefore normal for a heat pump to be more noticeable when it needs to quickly recover several degrees of temperature.\u003c\/p\u003e\n\u003cp\u003eFor a living room or living space, this range is generally much more useful to know than a single decibel figure presented without context.\u003c\/p\u003e\n\u003ch3\u003eA compact 33 × 11 × 8-inch wall-mounted unit\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit measures \u003cstrong\u003e33 × 11 × 8 in\u003c\/strong\u003e, or approximately \u003cstrong\u003e845 × 289 × 209 mm\u003c\/strong\u003e. YORK also indicates a net weight of approximately 23 lb. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis 33-inch width makes it easier to integrate into many residential configurations, but the chosen location must still meet several requirements.\u003c\/p\u003e\n\u003cp\u003eDuring our HVAC estimates in \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore, and the South Shore\u003c\/strong\u003e, we examine in particular:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe clearance above the unit;\u003c\/li\u003e\n\u003cli\u003ethe proximity of side walls;\u003c\/li\u003e\n\u003cli\u003ethe presence of doors or windows;\u003c\/li\u003e\n\u003cli\u003ethe location of tall furniture;\u003c\/li\u003e\n\u003cli\u003ethe path of the airflow;\u003c\/li\u003e\n\u003cli\u003ethe possible routing of the refrigerant lines;\u003c\/li\u003e\n\u003cli\u003ethe condensate drain slope;\u003c\/li\u003e\n\u003cli\u003efuture access to the filters and components for \u003cstrong\u003eHVAC maintenance\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe best location is therefore not systematically the wall closest to the outdoor unit.\u003c\/p\u003e\n\u003ch3\u003eWell-directed airflow is better than poorly distributed capacity\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specifications indicate automatic control of the vertical and horizontal louvers. The X Series documentation also presents air-direction control functions and control options for managing louver positioning. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn practice, the positioning of the wall-mounted unit remains decisive.\u003c\/p\u003e\n\u003cp\u003eA scenario we frequently encounter is wanting to install the unit at the far end of a living room, hoping it will also cool two closed bedrooms located behind a hallway. Even with 12,000 BTU available, air does not travel effectively through walls and closed doors.\u003c\/p\u003e\n\u003cp\u003eWe therefore prefer to explain from the outset what a single-zone wall-mounted heat pump can realistically serve. When the home’s layout includes several rooms isolated from one another, a different configuration or a multi-zone system may make more sense.\u003c\/p\u003e\n\u003ch3\u003eHeating down to -20 °C: what this value really means\u003c\/h3\u003e\n\u003cp\u003eYORK publishes a heating operating range of \u003cstrong\u003e-20 °C to 24 °C\u003c\/strong\u003e for the DHX12CSB11S. In cooling mode, the 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\u003eThis heat pump can therefore continue operating at significant winter temperatures.\u003c\/p\u003e\n\u003cp\u003eHowever, two concepts must be distinguished:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eminimum operating temperature\u003c\/strong\u003e and \u003cstrong\u003eheating capacity available at that temperature\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe fact that a heat pump is rated to operate at -20 °C does not mean that it retains its nominal 12,200 BTU capacity at -20 °C.\u003c\/p\u003e\n\u003cp\u003eThe AirGreen data sheet currently indicates approximately \u003cstrong\u003e9,800 BTU at -8 °C\u003c\/strong\u003e and \u003cstrong\u003e8,600 BTU at -15 °C\u003c\/strong\u003e. These values are useful for understanding the gradual decrease in capacity as the outdoor temperature drops.\u003c\/p\u003e\n\u003cp\u003eThis is exactly the kind of data we consider when a homeowner wants to use their heat pump as a significant source of heating during the Quebec winter.\u003c\/p\u003e\n\u003ch3\u003eA published maximum heating capacity of 16,582 BTU\/h\u003c\/h3\u003e\n\u003cp\u003eThe YORK table indicates a modulating heating capacity of up to \u003cstrong\u003e16,582 BTU\/h\u003c\/strong\u003e under certain operating conditions. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis maximum value should not be interpreted as a guaranteed capacity at -20 °C. It represents the system’s upper modulation limit under conditions in which the equipment can produce it.\u003c\/p\u003e\n\u003cp\u003eThis is another reason why we avoid shortcuts such as “12,000 BTU always means 12,000 BTU.”\u003c\/p\u003e\n\u003cp\u003eA heat pump continuously adjusts its output based on indoor and outdoor temperatures, compressor speed, and heating demand.\u003c\/p\u003e\n\u003ch3\u003eSmart defrost: particularly important in heating mode\u003c\/h3\u003e\n\u003cp\u003eThe X Series uses a defrost system that operates as needed rather than simply applying a fixed cycle without taking conditions into account.\u003c\/p\u003e\n\u003cp\u003eYORK indicates that this strategy helps reduce the energy consumption associated with unnecessary defrost cycles. The brochure also presents a construction featuring a sturdy steel chassis, a corrosion-resistant coating, quiet operation, and indoor temperature display on the indoor unit. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn humid, cold climates, this function is particularly relevant. When the outdoor heat exchanger operates in heating mode, frost may gradually form. The system must then temporarily reverse its cycle to defrost the heat exchanger.\u003c\/p\u003e\n\u003cp\u003eAn occasional defrost cycle is therefore normal. It does not automatically indicate an operating problem.\u003c\/p\u003e\n\u003ch2\u003ePiping, noise, Wi-Fi, and installation: details to check before choosing this YORK X Series\u003c\/h2\u003e\n\u003ch3\u003eRefrigerant piping 1\/4 in – 1\/2 in\u003c\/h3\u003e\n\u003cp\u003eFor the \u003cstrong\u003eDHX12CSB11S\u003c\/strong\u003e, YORK specifies:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eliquid: 1\/4 in\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003egas: 1\/2 in\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\u003eThe 1\/2 in gas-pipe diameter is particularly important when replacing an older heat pump.\u003c\/p\u003e\n\u003cp\u003eA homeowner may wish to keep the lines already in the wall. This solution is acceptable only if the pipe diameters, condition of the lines, and installation conditions are compatible with the new unit.\u003c\/p\u003e\n\u003cp\u003eWe never recommend selecting a heat pump simply because “the pipes are already there.” Incompatible piping can turn an apparently simple replacement into a technically incorrect installation.\u003c\/p\u003e\n\u003ch3\u003eUp to 65.5 feet of refrigerant piping\u003c\/h3\u003e\n\u003cp\u003eYORK allows a maximum total length of \u003cstrong\u003e65.5 ft, or approximately 20 m\u003c\/strong\u003e, for this combination, with a maximum height difference of \u003cstrong\u003e33 ft, or approximately 10 m\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis provides useful flexibility for multistory homes, condos, or buildings where the outdoor unit cannot be placed directly behind the indoor unit.\u003c\/p\u003e\n\u003cp\u003eWe must nevertheless plan the route carefully. The more complex the route becomes, the more we need to consider the building layout, drainage, the appearance of line-set covers, and the manufacturer’s recommendations.\u003c\/p\u003e\n\u003ch3\u003eOutdoor unit: 33 × 21 × 12.5 inches and 53 dB(A)\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHX12CSB11S\u003c\/strong\u003e outdoor unit measures approximately \u003cstrong\u003e33 × 21 × 12.5 in\u003c\/strong\u003e according to the YORK table, with an advertised sound pressure level of \u003cstrong\u003e53 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIts relatively compact size is helpful for properties with limited outdoor space.\u003c\/p\u003e\n\u003cp\u003eIn \u003cstrong\u003eMontréal\u003c\/strong\u003e and in certain densely built areas of \u003cstrong\u003eLongueuil or Laval\u003c\/strong\u003e, we pay particular attention to the outdoor unit’s location. Installation near a bedroom, a neighboring window, or in a narrow passageway can amplify the perceived noise.\u003c\/p\u003e\n\u003cp\u003eOn the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e and the \u003cstrong\u003eNorth Shore\u003c\/strong\u003e, available space is sometimes more generous, but we must always consider snow, water runoff during defrosting, and access to components for future service calls.\u003c\/p\u003e\n\u003ch3\u003eR-410A refrigerant\u003c\/h3\u003e\n\u003cp\u003eThis YORK X Series generation uses \u003cstrong\u003eR-410A\u003c\/strong\u003e. The factory charge indicated for the 12,000 BTU 115 V model is \u003cstrong\u003e47.61 oz, or approximately 1.4 kg\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis information is important for future service, particularly since newer generations of HVAC equipment now also use other refrigerants.\u003c\/p\u003e\n\u003cp\u003eWhen a technician services an older unit, the exact model and refrigerant type must be identified before any work is performed on the refrigeration circuit.\u003c\/p\u003e\n\u003ch3\u003eOptional Wi-Fi with the CS532AH adapter\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDRCPX wireless remote control is included as standard\u003c\/strong\u003e with the X Series. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWi-Fi, however, requires the \u003cstrong\u003eCS532AH adapter\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eYORK indicates that the \u003cstrong\u003eEWPE Smart App\u003c\/strong\u003e then allows the P, X, and Z Series to be controlled from a smartphone or tablet, and confirms that the CS532AH adapter is required for the P and X Series. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTherefore, three elements must be clearly distinguished:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe standard infrared remote control;\u003c\/li\u003e\n\u003cli\u003eoptional wall-mounted controllers;\u003c\/li\u003e\n\u003cli\u003eWi-Fi control by phone, which requires the appropriate adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWired controllers are also available\u003c\/h3\u003e\n\u003cp\u003eThe X Series is not limited to the included remote control.\u003c\/p\u003e\n\u003cp\u003eThe YORK catalog notably lists the \u003cstrong\u003eDWCPX2\u003c\/strong\u003e wall-mounted controller for the P and X Series. It allows several settings to be managed, including the temperature, operating mode, timer, louver position, turbo mode, and temperature scheduling. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis option may be relevant in an office, a small business, or simply for a homeowner who prefers a fixed wall-mounted controller rather than a remote control.\u003c\/p\u003e\n\u003ch3\u003eCompatible YORK filters and accessories\u003c\/h3\u003e\n\u003cp\u003eThe brochure also lists several accessories for the P, X, and Z Series, including \u003cstrong\u003ephotocatalytic filters and activated carbon filters\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eYORK also offers a wall-mounted controller for the DRCPX remote control and drainage piping accessories. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis type of detail is useful during a replacement or maintenance visit because it allows accessories to be ordered by part number rather than by approximation.\u003c\/p\u003e\n\u003ch3\u003eWarranty: Registration matters\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product page currently presents the warranty as \u003cstrong\u003e10 years on the compressor, 10 years on parts, 0 years on labor\u003c\/strong\u003e, with the possibility of additional coverage.\u003c\/p\u003e\n\u003cp\u003eThe 2020 YORK brochure specifies that the published standard warranty was \u003cstrong\u003e7 years on the compressor and 5 years on parts\u003c\/strong\u003e, but that residential registration could extend this coverage to \u003cstrong\u003e10 years on the compressor and 10 years on parts\u003c\/strong\u003e. Ten years of labor protection was also offered with the purchase of the applicable option. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we therefore consider system registration an important step after installation. Excellent equipment loses some of its value if the necessary steps to obtain the best available coverage are not completed correctly.\u003c\/p\u003e\n\u003ch3\u003eENERGY STAR and subsidies: verify the exact combination\u003c\/h3\u003e\n\u003cp\u003eAirGreen’s current product sheet presents this combination as \u003cstrong\u003enon-ENERGY STAR and non-ENERGY STAR Cold Climate\u003c\/strong\u003e, with AHRI number \u003cstrong\u003e8578565\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe YORK brochure, for its part, presents the X Series as a high-efficiency family and displays the ENERGY STAR logo in its documentation, but in the 12K 115 V model table it does not provide a sufficiently explicit line to confirm on its own that this combination is currently eligible for a subsidy program.\u003c\/p\u003e\n\u003cp\u003eFor this reason, we do not recommend assuming that a unit is eligible for \u003cstrong\u003eLogisVert\u003c\/strong\u003e simply because a general series has a certification or because an old brochure displays a logo.\u003c\/p\u003e\n\u003cp\u003eEligibility must be confirmed based on the \u003cstrong\u003eexact AHRI combination and the program rules in effect at the time of purchase\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eThe typical case in which the 12,000 BTU 115 V becomes particularly attractive\u003c\/h3\u003e\n\u003cp\u003eLet’s consider a common scenario during an AirGreen estimate: a homeowner has an open-concept living room and dining room with a reasonable floor area, but their electrical panel or configuration makes adding a new 240 V circuit more complicated.\u003c\/p\u003e\n\u003cp\u003eA 115 V heat pump may then seem immediately ideal.\u003c\/p\u003e\n\u003cp\u003eHowever, we check three things before recommending it:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ethe actual thermal load of the area\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ethe capacity of the available electrical circuit\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ethe possible distribution of air throughout the rooms\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eIf these three factors are favorable, the \u003cstrong\u003eYORK X Series 12,000 BTU 115 V\u003c\/strong\u003e may be a very suitable solution.\u003c\/p\u003e\n\u003cp\u003eIf the customer instead wants to heat several enclosed rooms, if the low-temperature load exceeds the unit’s capacity, or if the existing power supply is unsuitable, we propose a different configuration.\u003c\/p\u003e\n\u003cp\u003eIt is precisely this selection process that makes the difference between buying a heat pump and obtaining an \u003cstrong\u003eHVAC installation properly suited to the building\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eMaintenance: four elements that directly affect performance\u003c\/h3\u003e\n\u003cp\u003eTo maintain good airflow and limit performance problems, we recommend paying particular attention to four elements:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eclean the indoor unit’s filters regularly\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ekeep the outdoor coil free of leaves, dust, excessive ice, and debris;\u003c\/li\u003e\n\u003cli\u003edo not block the air intake or outlet of the wall-mounted indoor unit;\u003c\/li\u003e\n\u003cli\u003ehave the unit inspected when an abnormal drop in capacity, unusual noise, or water leak occurs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA heat pump with heavily clogged filters may experience a significant reduction in airflow. On a unit designed to provide up to \u003cstrong\u003e400 CFM\u003c\/strong\u003e, this restriction can result in less even distribution and longer operating times.\u003c\/p\u003e\n\u003ch3\u003eWhy we place so much importance on proper sizing\u003c\/h3\u003e\n\u003cp\u003eYORK explains in its documentation that its mini-split systems use inverter technology to modulate the refrigerant flow according to the zone’s exact demand. The manufacturer also emphasizes that this modulation helps maintain the temperature within a narrower range. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBut no inverter technology can replace proper sizing.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, we assess the building, room layout, insulation, windows, sun exposure, electrical system, piping, and outdoor location before finalizing a recommendation.\u003c\/p\u003e\n\u003cp\u003eFor this YORK X Series, the main advantage is therefore not only its \u003cstrong\u003e12,000 BTU\u003c\/strong\u003e, \u003cstrong\u003e115 V\u003c\/strong\u003e power supply, or high efficiency. It is the combination of these features when they genuinely match the project.\u003c\/p\u003e\n\u003cp\u003eThe brochure used to document this generation is a YORK\/Johnson Controls publication from \u003cstrong\u003eNovember 2020\u003c\/strong\u003e, which also confirms the importance of checking the exact model number when an appliance is replaced or when a unit from older inventory is installed. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor a quote, capacity assessment, or installation of the YORK X Series 12,000 BTU 115V Mini-Split, contact AirGreen. We serve Montreal, Laval, Longueuil, the North Shore, and the South Shore, and we can compare this unit with other wall-mounted heat pumps to select a solution suited to your building, electrical supply, and heating and cooling needs.\u003c\/strong\u003e\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":56120414339364,"sku":"DHX12CSB11S","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_MINI_SPLIT_YORK_SERIE_X_12000_BTU_115V_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_b75acc60-6fca-475a-9ab7-ca3bdc6d231a.png?v=1789426029"},{"product_id":"mini-split-york-serie-x-23-seer-9000-btu-220v","title":"YORK X Series Mini Split 23 SEER | 9000 BTU 220V","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA compact 9,000 BTU mini-split focused on efficiency, modulation, and operation down to -20 °C\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eFor a bedroom, office, condo, small apartment, or enclosed room with a relatively moderate heating and cooling load, installing an oversized heat pump can be just as problematic as installing an undersized unit. The \u003cstrong\u003eYORK X Series 9,000 BTU 220 V\u003c\/strong\u003e falls into an interesting category: compact wall-mounted mini-splits capable of providing suitable capacity for smaller spaces while maintaining Inverter modulation, high seasonal efficiency, and a heating function that remains usable when the outdoor temperature drops below freezing.\u003c\/p\u003e\n\u003cp\u003eThe combination discussed here is specific: \u003cstrong\u003eDHX09NWB21S indoors and DHX09CSB21S outdoors\u003c\/strong\u003e. YORK identifies it in its catalog as a single-zone X Series wall-mounted heat pump in a \u003cstrong\u003e9,000 BTU\/h, 208\/230 V\u003c\/strong\u003e configuration. The same catalog presents the X Series as a range reaching up to \u003cstrong\u003e23 SEER\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, this precision regarding model numbers is essential. Two visually similar YORK wall-mounted units may have different piping, capacity, power supply, or performance specifications. Before replacing or installing a new \u003cstrong\u003ewall-mounted heat pump in Montreal, Laval, Longueuil, on the North Shore or South Shore\u003c\/strong\u003e, we therefore focus on the exact model rather than just the “9,000 BTU” figure.\u003c\/p\u003e\n\u003ch3\u003eThe technical specifications of the DHX09NWB21S \/ DHX09CSB21S\u003c\/h3\u003e\n\u003cp\u003eThe YORK technical table provides much more useful information than the sole commercial capacity indicated on the box.\u003c\/p\u003e\n\u003cp\u003eFor the \u003cstrong\u003eDHX09NWB21S \/ DHX09CSB21S\u003c\/strong\u003e configuration, the manufacturer specifies:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003erated cooling capacity: 9,000 BTU\/h\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ecooling range: \u003cstrong\u003e3,099 to 9,599 BTU\/h\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003erated heating capacity: 11,000 BTU\/h\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eheating range: \u003cstrong\u003e1,911 to 12,000 BTU\/h\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSEER: 23\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEER: 14.29\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHSPF: 10.5\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\u003erated cooling current: \u003cstrong\u003e2.8 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003erated heating current: \u003cstrong\u003e3.5 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMCA: 9 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOCP: 15 A\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese data are those published in the performance table for the X Series 9K model at 208\/230 V. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe term “\u003cstrong\u003e220 V\u003c\/strong\u003e” commonly used to present this product should therefore be understood as a commercial simplification. YORK’s technical documentation actually specifies a \u003cstrong\u003e208\/230 V\u003c\/strong\u003e power supply.\u003c\/p\u003e\n\u003cp\u003eThis difference may seem minor to a homeowner, but it is not minor for the electrical installation. During our HVAC work, we check the available power supply, circuit, protective device, and the requirements listed on the nameplate before commissioning.\u003c\/p\u003e\n\u003ch3\u003eWhy its modulation range matters in a small room\u003c\/h3\u003e\n\u003cp\u003eInverter technology allows the compressor to avoid operating constantly according to an all-or-nothing logic.\u003c\/p\u003e\n\u003cp\u003eWith a published range that drops to approximately \u003cstrong\u003e3,099 BTU\/h in cooling\u003c\/strong\u003e, this YORK can reduce its capacity as the room approaches the desired temperature. In heating, the published range extends from \u003cstrong\u003e1,911 to 12,000 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is particularly relevant with a \u003cstrong\u003e9,000 BTU\u003c\/strong\u003e heat pump, since this type of system is often installed in spaces where oversizing quickly becomes noticeable.\u003c\/p\u003e\n\u003cp\u003eAn excessively oversized unit can reach the setpoint too quickly, shorten its cycles, and provide less even control of temperature and humidity. With a properly sized Inverter system, we instead look for regular operating periods at low or medium capacity.\u003c\/p\u003e\n\u003cp\u003eIn a small bedroom in \u003cstrong\u003eLongueuil\u003c\/strong\u003e, a closed office in \u003cstrong\u003eMontreal\u003c\/strong\u003e, or a condo in \u003cstrong\u003eLaval\u003c\/strong\u003e, this modulation capacity can matter more for actual comfort than an impressive maximum figure on a specification sheet.\u003c\/p\u003e\n\u003ch3\u003e9,000 BTU in cooling, but 11,000 BTU nominally in heating\u003c\/h3\u003e\n\u003cp\u003eOne detail about this X Series is worth emphasizing: YORK publishes \u003cstrong\u003e9,000 BTU\/h as the rated cooling capacity\u003c\/strong\u003e, but \u003cstrong\u003e11,000 BTU\/h in heating\u003c\/strong\u003e for this configuration. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTherefore, “9,000 BTU” should not be interpreted as a universal limit for the unit in all operating modes.\u003c\/p\u003e\n\u003cp\u003eThe published maximum heating capacity even reaches \u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e under the conditions used to create the table.\u003c\/p\u003e\n\u003cp\u003eFor a Quebec homeowner, however, this does not mean that the unit will consistently deliver 11,000 or 12,000 BTU\/h when it is -15 °C or -20 °C outside. The rated capacities and modulation ranges in the catalogue are established under test conditions defined by the manufacturer. Actual performance varies with the outdoor temperature.\u003c\/p\u003e\n\u003ch3\u003eHeating down to -20 °C: a limit that must be interpreted correctly\u003c\/h3\u003e\n\u003cp\u003eYORK provides 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, for the \u003cstrong\u003eDHX09CSB21S\u003c\/strong\u003e. In cooling mode, the published outdoor operating range is \u003cstrong\u003e0 °F to 115 °F\u003c\/strong\u003e, or approximately \u003cstrong\u003e-18 °C to 46 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor the climate of \u003cstrong\u003eGreater Montreal\u003c\/strong\u003e, this is particularly important information.\u003c\/p\u003e\n\u003cp\u003eAuthorized operation down to -20 °C should not be confused with a modern heat pump designation intended to maintain high capacity at -25 °C or -30 °C. The current AirGreen product sheet also indicates \u003cstrong\u003eENERGY STAR Cold Climate: No\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIn other words, we can consider this YORK a heat pump that provides heating in cold weather, but we must take into account the dwelling's actual heat load and the supplementary heating system for the coldest days of the Quebec winter.\u003c\/p\u003e\n\u003cp\u003eThe AirGreen product sheet also lists heating capacities of \u003cstrong\u003e8,800 BTU at -8 °C\u003c\/strong\u003e and \u003cstrong\u003e9,000 BTU at -15 °C\u003c\/strong\u003e. However, for any consumption analysis, subsidy application, or precise sizing, we always prioritize verifying the model number and the certification data applicable to the installed system.\u003c\/p\u003e\n\u003ch3\u003eOne point to monitor: ENERGY STAR information does not fully match across the documents provided\u003c\/h3\u003e\n\u003cp\u003eThe current AirGreen product sheet indicates:\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\u003eHowever, the 2020 YORK catalog contains a note indicating that \u003cstrong\u003eall models in this series shown in the table are ENERGY STAR except the 18,000 BTU DHX18NWB21S and DHX18CSB21S models\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHX09NWB21S \/ DHX09CSB21S\u003c\/strong\u003e is not one of the 18K models excluded in this note.\u003c\/p\u003e\n\u003cp\u003eThere is therefore a discrepancy between the information provided. For a decision related to \u003cstrong\u003eLogisVert\u003c\/strong\u003e, ENERGY STAR, or any other financial assistance, we never recommend relying on an old brochure or a single marketing statement. Eligibility must be confirmed using the certification applicable to the exact combination number at the time of the project.\u003c\/p\u003e\n\u003cp\u003eThis is also why no rebate amount should be assumed simply because a heat pump has a good SEER rating.\u003c\/p\u003e\n\u003ch3\u003eSEER 23, EER 14.29, and HSPF 10.5: the figures to remember from the YORK catalog\u003c\/h3\u003e\n\u003cp\u003eThe current website specification sheet contains SEER2, HSPF2, and EER2 fields whose displayed values appear clearly misformatted. For this product generation, the 2020 YORK catalog clearly provides values based on the older methodology:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSEER 23\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eEER 14.29\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eHSPF 10.5\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWe avoid automatically converting these ratings into \u003cstrong\u003eSEER2, EER2, or HSPF2\u003c\/strong\u003e, because they are different rating standards.\u003c\/p\u003e\n\u003cp\u003eFor consumers, the practical point is simple: the \u003cstrong\u003e23 SEER\u003c\/strong\u003e stated in the title does correspond to the value published by YORK for the \u003cstrong\u003e9,000 BTU 208\/230 V\u003c\/strong\u003e X Series heat pump.\u003c\/p\u003e\n\u003ch3\u003eA compact indoor unit with four airflow levels\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHX09NWB21S\u003c\/strong\u003e indoor unit measures approximately \u003cstrong\u003e33 × 11 × 8 in.\u003c\/strong\u003e, or \u003cstrong\u003e845 × 289 × 209 mm\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eYORK publishes four airflow levels:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e318 \/ 288 \/ 241 \/ 171 CFM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eand four sound pressure levels:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e43 \/ 39 \/ 35 \/ 29 dB(A)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eOperation at \u003cstrong\u003e29 dB(A)\u003c\/strong\u003e at low speed is particularly relevant in a bedroom, office, or space where noise is an important consideration.\u003c\/p\u003e\n\u003cp\u003eHowever, we emphasize one point during our installations: perceived noise depends not only on the specification sheet. An appliance placed directly above the head of the bed, an improperly secured line, or an outdoor unit mounted on a structure that transmits vibrations can significantly diminish the experience.\u003c\/p\u003e\n\u003cp\u003eThe quality of the \u003cstrong\u003eHVAC installation\u003c\/strong\u003e therefore remains just as important as the published sound level.\u003c\/p\u003e\n\u003ch2\u003eInstallation of the YORK X Series 9K: what we check before mounting the unit on the wall\u003c\/h2\u003e\n\u003cp\u003eWith a small-capacity mini-split, it can be tempting to view the installation as a simple job. However, the same refrigeration, electrical, and mechanical principles apply as with a larger heat pump.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, we prepare the installation by considering airflow, piping, the drain, the outdoor unit’s position, and future access for \u003cstrong\u003eheat pump maintenance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eRefrigerant piping: 1\/4 in. and 3\/8 in.\u003c\/h3\u003e\n\u003cp\u003eFor the \u003cstrong\u003eDHX09CSB21S\u003c\/strong\u003e, YORK specifies:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eliquid: \u003cstrong\u003e1\/4 po\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003egas: \u003cstrong\u003e3\/8 po\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003edrain: \u003cstrong\u003e5\/8 po\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003emaximum piping length: \u003cstrong\u003e49.2 ft \/ 15 m\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003emaximum height difference: \u003cstrong\u003e33 ft \/ 10 m\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThese diameters are particularly important when replacing a unit.\u003c\/p\u003e\n\u003cp\u003eWe regularly see projects where a homeowner wants to keep the pipes already installed in the wall to reduce the amount of work. This is sometimes possible, but only after verification.\u003c\/p\u003e\n\u003cp\u003eExisting piping with the wrong diameter is not automatically compatible just because it physically connects the two units. Its condition, routing, insulation and the quality of the previous installation must also be considered.\u003c\/p\u003e\n\u003cp\u003eFor this YORK 9K, the technical reference is therefore \u003cstrong\u003e1\/4 – 3\/8 in\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003e33 × 21 × 13 in outdoor unit\u003c\/h3\u003e\n\u003cp\u003eThe outdoor unit \u003cstrong\u003eDHX09CSB21S\u003c\/strong\u003e measures approximately \u003cstrong\u003e33 × 21 × 13 in\u003c\/strong\u003e, or \u003cstrong\u003e848 × 540 × 320 mm\u003c\/strong\u003e. The published outdoor sound pressure level is \u003cstrong\u003e53 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIts relatively compact size makes several residential installations easier, but we must still maintain the required clearances.\u003c\/p\u003e\n\u003cp\u003eIn \u003cstrong\u003eMontreal\u003c\/strong\u003e, \u003cstrong\u003eLaval\u003c\/strong\u003e, \u003cstrong\u003eLongueuil\u003c\/strong\u003e, \u003cstrong\u003eMontérégie\u003c\/strong\u003e, on the \u003cstrong\u003eNorth Shore\u003c\/strong\u003e or the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e, we check in particular:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003espace around the outdoor coil;\u003c\/li\u003e\n\u003cli\u003eairflow;\u003c\/li\u003e\n\u003cli\u003esnow accumulation;\u003c\/li\u003e\n\u003cli\u003ewater drainage during defrost cycles;\u003c\/li\u003e\n\u003cli\u003eproximity to windows and neighbours;\u003c\/li\u003e\n\u003cli\u003epossible vibrations;\u003c\/li\u003e\n\u003cli\u003etechnician access during a future service call;\u003c\/li\u003e\n\u003cli\u003ecompliance with applicable municipal regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA compact outdoor unit does not mean that it should be installed in a confined space.\u003c\/p\u003e\n\u003ch3\u003eMCA 9 A and maximum protection 15 A\u003c\/h3\u003e\n\u003cp\u003eYORK documentation specifies a \u003cstrong\u003eminimum circuit ampacity of 9 A\u003c\/strong\u003e and \u003cstrong\u003emaximum overcurrent protection of 15 A\u003c\/strong\u003e for the 9K model at 208\/230 V. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese values are much more relevant for the installation than simply stating “220 V.”\u003c\/p\u003e\n\u003cp\u003eBefore the work begins, the electrical supply must be checked against the actual equipment and its nameplate. When replacing an old heat pump, we do not automatically assume that the existing circuit can be kept without an inspection.\u003c\/p\u003e\n\u003ch3\u003eAutomatic louvers and air distribution\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet indicates \u003cstrong\u003eautomatic control of the vertical and horizontal louvers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis feature is useful with a 9,000 BTU unit installed in a long room or in a space where the airflow must be directed away from the occupied area. The YORK catalog also lists air-sweep functions in its single-zone system feature table, including vertical and horizontal movement depending on the series. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn practice, we mainly aim to position the unit so that this air distribution is used intelligently.\u003c\/p\u003e\n\u003cp\u003eFor example, installing the indoor unit just a few centimeters from a large cabinet and then relying on the louvers to “work around” the obstacle is not a good strategy. The best results first come from an unobstructed location that provides sufficient airflow range.\u003c\/p\u003e\n\u003ch3\u003eWi-Fi: available, but the CS532AH adapter is required\u003c\/h3\u003e\n\u003cp\u003eWi-Fi control is not integrated as standard in the same way as it is on several newer units.\u003c\/p\u003e\n\u003cp\u003eThe YORK catalog identifies the \u003cstrong\u003eEWPE Smart\u003c\/strong\u003e app for the P, X, and Z Series and specifies that the \u003cstrong\u003eP and X Series require the CS532AH adapter\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eWi-Fi: Optional\u003c\/strong\u003e note on the AirGreen product sheet is therefore consistent with the brochure.\u003c\/p\u003e\n\u003cp\u003eOnce the appropriate option has been installed, the system can be controlled from a phone or tablet, depending on application and hardware compatibility.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDRCPX\u003c\/strong\u003e wireless remote control is the standard controller associated with the X Series. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eA design focused on precision and quiet operation\u003c\/h3\u003e\n\u003cp\u003eYORK highlights several features specific to the X Series: high-efficiency Inverter technology, heavy-gauge steel construction, quiet operation, room-temperature display on the indoor unit, corrosion-resistant treatment, and demand-based defrosting to limit unnecessary energy consumption. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDefrosting deserves particular attention in Quebec.\u003c\/p\u003e\n\u003cp\u003eDuring winter heating, the outdoor coil can accumulate frost. The heat pump must then periodically reverse its operation to defrost the coil. Intelligent defrost management aims to trigger this sequence when necessary rather than according to an overly rigid cycle.\u003c\/p\u003e\n\u003cp\u003eFor the user, this helps keep the system running without manual intervention.\u003c\/p\u003e\n\u003ch3\u003eWhere is a 9,000 BTU unit generally appropriate?\u003c\/h3\u003e\n\u003cp\u003eWe never associate a capacity solely with a fixed area. Two rooms of the same size can have completely different needs.\u003c\/p\u003e\n\u003cp\u003eA bedroom with two large south-facing windows beneath a poorly insulated roof may have a higher load than an interior office of the same size. A newer condo in \u003cstrong\u003eBoucherville\u003c\/strong\u003e does not behave thermally the same way as a unit in an older building in \u003cstrong\u003eMontréal\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIn our experience, a \u003cstrong\u003e9,000 BTU\u003c\/strong\u003e wall-mounted heat pump may be considered for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea good-sized bedroom;\u003c\/li\u003e\n\u003cli\u003ea home office;\u003c\/li\u003e\n\u003cli\u003ea small condo;\u003c\/li\u003e\n\u003cli\u003ea room added to a residence;\u003c\/li\u003e\n\u003cli\u003ea studio;\u003c\/li\u003e\n\u003cli\u003ea small professional space;\u003c\/li\u003e\n\u003cli\u003ean independent zone in a building that already has another heating system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe final choice must take into account insulation, windows, solar exposure, room volume, internal heat gains, and actual air circulation.\u003c\/p\u003e\n\u003ch3\u003eA common mistake: buying 12,000 BTU “to be sure”\u003c\/h3\u003e\n\u003cp\u003eIn small spaces, we often encounter the following reasoning: if 9,000 BTU seems sufficient, 12,000 BTU must necessarily be better.\u003c\/p\u003e\n\u003cp\u003eThat is not always the case.\u003c\/p\u003e\n\u003cp\u003eA properly sized unit can provide better humidity control, more uniform temperatures, and longer cycles at partial load. Inverter technology expands the operating range, but it does not make proper sizing unnecessary.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHX09\u003c\/strong\u003e has a cooling range that drops to approximately \u003cstrong\u003e3 099 BTU\/h\u003c\/strong\u003e, allowing it to modulate well below its rated capacity. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor us, the right choice is therefore not “the largest unit possible,” but the one that genuinely matches the room’s load.\u003c\/p\u003e\n\u003ch3\u003eMaintenance: a small unit can also lose a great deal of airflow\u003c\/h3\u003e\n\u003cp\u003eThis unit’s maximum airflow reaches \u003cstrong\u003e318 CFM\u003c\/strong\u003e. When the filters, evaporator, or blower wheel become clogged with dust, air circulation can deteriorate.\u003c\/p\u003e\n\u003cp\u003eThe consequences are familiar: less uniform temperatures, prolonged operation, reduced airflow, and dirt buildup inside the wall-mounted unit.\u003c\/p\u003e\n\u003cp\u003eWe recommend regularly cleaning accessible filters and having a \u003cstrong\u003ethorough wall-mounted heat pump maintenance\u003c\/strong\u003e performed when the condition of the evaporator and blower wheel warrants it.\u003c\/p\u003e\n\u003cp\u003eIn homes with pets, open kitchens, and systems used intensively during summer and winter, dirt can build up more quickly.\u003c\/p\u003e\n\u003ch3\u003eYORK warranty: why registering the system matters\u003c\/h3\u003e\n\u003cp\u003eThe 2020 YORK documentation distinguishes between two levels of warranty.\u003c\/p\u003e\n\u003cp\u003eThe standard warranty mentioned in the catalogue is \u003cstrong\u003e7 years on the compressor and 5 years on parts\u003c\/strong\u003e. For an eligible residential installation registered online, YORK indicates an extension to \u003cstrong\u003e10 years on the compressor and 10 years on parts\u003c\/strong\u003e. Ten-year labour coverage was also presented as an option requiring additional coverage. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe current AirGreen product sheet displays \u003cstrong\u003e10-10-0 years\u003c\/strong\u003e, with the possibility of an additional warranty.\u003c\/p\u003e\n\u003cp\u003eThis detail illustrates the importance of properly registering the equipment and retaining the system information after installation. An extended warranty is useful only if the owner can clearly identify the model and serial numbers and the registration conditions have been met.\u003c\/p\u003e\n\u003ch3\u003eWhat We Appreciate Technically About This YORK X Series 9K\u003c\/h3\u003e\n\u003cp\u003eFor a project where its characteristics genuinely match the heating load, several features are of interest:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e23 SEER according to the YORK catalogue\u003c\/strong\u003e, cooling modulation from \u003cstrong\u003e3,099 to 9,599 BTU\/h\u003c\/strong\u003e, a nominal heating capacity higher than the nominal cooling capacity, a \u003cstrong\u003e208\/230 V\u003c\/strong\u003e power supply, relatively common \u003cstrong\u003e1\/4–3\/8 in\u003c\/strong\u003e piping, an indoor sound level as low as \u003cstrong\u003e29 dB(A)\u003c\/strong\u003e, and an outdoor unit with reasonable dimensions.\u003c\/p\u003e\n\u003cp\u003eHowever, it also has limitations to consider: the refrigerant is \u003cstrong\u003eR-410A\u003c\/strong\u003e, its published operating limit in heating mode is \u003cstrong\u003e-20 °C\u003c\/strong\u003e, and its ENERGY STAR status should be validated because the information provided by the current product sheet and the 2020 catalogue do not fully match.\u003c\/p\u003e\n\u003cp\u003eThis is precisely the kind of product for which a serious technical comparison is more valuable than a simple ranking based on the number of BTUs.\u003c\/p\u003e\n\u003ch3\u003eHave the YORK X Series 9,000 BTU installed by AirGreen\u003c\/h3\u003e\n\u003cp\u003eFor a \u003cstrong\u003eYORK mini-split installation in Montreal, Laval, Longueuil, the North Shore, the South Shore, or Montérégie\u003c\/strong\u003e, we can verify the required capacity, wall-mounted head location, compatibility of the existing piping, drain routing, electrical requirements, and outdoor unit placement.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen Heat Pumps, Air Conditioning \u0026amp; Heating\u003c\/strong\u003e, our goal is to ensure that the selected system matches the actual building, not just the figures on the product sheet. Contact us for a quote, to compare the X Series with other wall-mounted heat pumps, or to plan your residential or commercial HVAC project.\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":56120414372132,"sku":"DHX09CSB21S","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_MINI_SPLIT_YORK_SERIE_X_9000_BTU_220V_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_c0a7538c-4812-414c-bdef-c7e10c257ebf.png?v=1789426029"},{"product_id":"mini-split-york-serie-x-23-seer-12000-btu-220v","title":"YORK X Series Mini Split 23 SEER | 12000 BTU 220V","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA 12,000 BTU YORK wall-mounted heat pump whose technical details matter just as much as the series name\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYORK Series X 12,000 BTU 220V Mini Split\u003c\/strong\u003e is a single-zone wall-mounted heat pump consisting of the \u003cstrong\u003eDHX12NWB21S\u003c\/strong\u003e indoor unit and the \u003cstrong\u003eDHX12CSB21S\u003c\/strong\u003e outdoor unit. For a homeowner in \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore, or the South Shore\u003c\/strong\u003e, this combination may be appealing when only one zone needs to be heated and cooled without installing a duct network.\u003c\/p\u003e\n\u003cp\u003eThe YORK brochure classifies this family among the \u003cstrong\u003eSeries X, up to 23 SEER\u003c\/strong\u003e single-zone systems and expressly confirms that the DHX12NWB21S \/ DHX12CSB21S pair is available in a \u003cstrong\u003e12,000 BTU\/h, 208\/230 V\u003c\/strong\u003e version. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis clarification is important because YORK also marketed a 12,000 BTU version of the Series X operating at 115 V. When we prepare a \u003cstrong\u003ewall-mounted heat pump installation\u003c\/strong\u003e, we always work from the complete model number rather than relying solely on “YORK Series X 12,000 BTU.” The model suffix confirms the power supply, piping, condenser specifications, and performance data.\u003c\/p\u003e\n\u003ch3\u003eSeries X “23 SEER”: what the brochure states for this specific model\u003c\/h3\u003e\n\u003cp\u003eThe commercial name \u003cstrong\u003eSeries X 23 SEER\u003c\/strong\u003e refers to a product line that can reach 23 SEER. However, for the exact \u003cstrong\u003eDHX12NWB21S \/ DHX12CSB21S combination at 208\/230 V\u003c\/strong\u003e, the 2020 YORK brochure publishes the following values:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eRated cooling capacity: 12,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCooling range: 3,099 to 12,999 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\u003eHeating range: 2,400 to 14,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER: 12.5\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSEER: 22\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF: 10.1\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: 4.5 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated heating current: 5.5 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: 15 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor airflow: 400 \/ 318 \/ 241 \/ 194 CFM\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor sound pressure: 45 \/ 39 \/ 35 \/ 29 dB(A)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor dimensions: 33 × 11 × 8 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor sound pressure: 54 dB(A)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor dimensions: 33 × 21 × 13 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant: R-410A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePiping: 1\/4 in liquid and 1\/2 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: 65.5 ft, or approximately 20 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\u003eCooling operation: down to -18 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHeating operation: down to -20 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese values come from the table covering the Series X 208\/230 V models. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIt is therefore necessary to distinguish between \u003cstrong\u003ethe maximum rating of the X Series family\u003c\/strong\u003e and \u003cstrong\u003ethe rating of the specific 12,000 BTU 220 V model\u003c\/strong\u003e. For this combination, the documentation provided indicates \u003cstrong\u003e22 SEER\u003c\/strong\u003e, not 23 SEER. At AirGreen, we consider this distinction essential when a customer compares several heat pumps based on their energy efficiency.\u003c\/p\u003e\n\u003ch3\u003eA nominal capacity of 12,000 BTU does not mean constant operation at 12,000 BTU\u003c\/h3\u003e\n\u003cp\u003eThe compressor uses \u003cstrong\u003eInverter\u003c\/strong\u003e technology. The unit therefore does not need to constantly operate at its full nominal capacity.\u003c\/p\u003e\n\u003cp\u003eThe brochure gives an approximate cooling range of \u003cstrong\u003e3,099 to 12,999 BTU\/h\u003c\/strong\u003e. In heating, the range extends from \u003cstrong\u003e2,400 to 14,000 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis modulation is particularly relevant during milder spring and fall days. When a room approaches its setpoint temperature, the system can reduce its output instead of repeatedly cycling through complete starts and stops.\u003c\/p\u003e\n\u003cp\u003eIn an \u003cstrong\u003eHVAC installation in Montréal or Laval\u003c\/strong\u003e, this behavior can help maintain a more stable temperature in a living room, an open floor, a work area, or a dwelling. However, the result depends directly on proper sizing.\u003c\/p\u003e\n\u003cp\u003eInstalling a 12,000 BTU unit in an area that requires much less capacity is not automatically advantageous. Conversely, asking a 12,000 BTU wall-mounted unit to handle several rooms separated by doors and hallways can lead to significant temperature differences.\u003c\/p\u003e\n\u003ch3\u003eHeating at -20 °C: an operating limit, not a guaranteed capacity of 13,000 BTU\u003c\/h3\u003e\n\u003cp\u003eThe YORK brochure indicates a heating operating range from \u003cstrong\u003e-20 °C to 24 °C\u003c\/strong\u003e for the DHX12CSB21S model. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe meaning of this data must be stated precisely. \u003cstrong\u003e-20 °C is the published outdoor operating limit for heating\u003c\/strong\u003e. This does not mean that the heat pump will still automatically provide its nominal 13,000 BTU\/h at -20 °C.\u003c\/p\u003e\n\u003cp\u003eThe AirGreen product sheet also lists heating capacities of \u003cstrong\u003e10,400 BTU at -8 °C\u003c\/strong\u003e and \u003cstrong\u003e9,100 BTU at -15 °C\u003c\/strong\u003e. These figures are much more useful than a simple minimum temperature when assessing how a heat pump will perform in the Greater Montréal climate.\u003c\/p\u003e\n\u003cp\u003eIn a home in \u003cstrong\u003eLongueuil, Boucherville, Terrebonne, Laval, or Montréal\u003c\/strong\u003e, heating needs increase precisely when the outdoor temperature drops. The available capacity at -8 °C and -15 °C must therefore be compared with the zone’s actual heat losses.\u003c\/p\u003e\n\u003cp\u003eThat is why we never determine the suitability of a heat pump solely based on the statement “heats down to -20 °C.”\u003c\/p\u003e\n\u003ch3\u003eAn interesting unit for one well-defined zone\u003c\/h3\u003e\n\u003cp\u003eThe X Series is designed as a \u003cstrong\u003esingle-zone\u003c\/strong\u003e system: one outdoor unit is paired with one indoor unit. YORK specifically describes this architecture as a solution intended for the heating and cooling needs of a single indoor space. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn practice, a 12,000 BTU unit may be considered for different types of spaces, but we always analyze the actual layout.\u003c\/p\u003e\n\u003cp\u003eA moderately sized open ground floor can allow good air circulation. A home with a large central living room may also be a logical candidate. A bedroom with a very high ceiling, extensive glazing and strong solar exposure, however, has a very different load from a well-insulated interior bedroom.\u003c\/p\u003e\n\u003cp\u003eThe number of square feet is therefore only one of several factors. We also consider \u003cstrong\u003einsulation, glazing, orientation, floor, ceiling height, air infiltration, sunlight and airflow between rooms\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eFour airflow speeds and indoor operation as quiet as 29 dB(A)\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHX12NWB21S\u003c\/strong\u003e indoor unit provides four airflow levels: \u003cstrong\u003e400, 318, 241 and 194 CFM\u003c\/strong\u003e. Its sound pressure ranges from \u003cstrong\u003e45 dB(A) at high speed to 29 dB(A) at the lowest setting\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis range gives us a better idea of the unit’s actual behavior than a single minimum value.\u003c\/p\u003e\n\u003cp\u003eAt low load, the system can operate at a quieter speed. When the room quickly requires more heating or cooling, the fan must move more air and naturally becomes more noticeable.\u003c\/p\u003e\n\u003cp\u003eFor a \u003cstrong\u003eheat pump installation in a bedroom\u003c\/strong\u003e, we pay particular attention to the direction of the airflow. Even a relatively quiet unit can become uncomfortable if it is installed directly above the bed or continuously blows air toward the sleeping area.\u003c\/p\u003e\n\u003cp\u003eIn a living room, the challenge is different: we often seek to achieve the best possible reach toward adjacent areas without directing the airflow straight at occupants.\u003c\/p\u003e\n\u003ch3\u003eAutomatic horizontal and vertical louvers\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet indicates \u003cstrong\u003eautomatic control of the vertical and horizontal louvers\u003c\/strong\u003e. This feature makes it possible to change the direction of the air stream without manually repositioning the fins each time.\u003c\/p\u003e\n\u003cp\u003eThe general X Series documentation also describes functions related to airflow control, and YORK describes the control center as allowing users to manage the temperature, mode, fan speed, and airflow direction. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn a larger space, this feature can improve air distribution by preventing a single part of the room from continuously receiving most of the airflow.\u003c\/p\u003e\n\u003ch3\u003eWi-Fi is optional, and the appropriate adapter is required\u003c\/h3\u003e\n\u003cp\u003eOne detail comes up regularly in our conversations with homeowners: \u003cstrong\u003e“Can I control my YORK with my phone?”\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor this X Series model, Wi-Fi is \u003cstrong\u003eoptional\u003c\/strong\u003e. YORK identifies the \u003cstrong\u003eCS532AH\u003c\/strong\u003e adapter as a required accessory. The \u003cstrong\u003eDRCPX\u003c\/strong\u003e wireless remote, on the other hand, comes standard with P and X Series units. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe app indicated in this documentation is the \u003cstrong\u003eEWPE Smart App\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis point should be verified before installation when a customer considers phone control essential. A “Wi-Fi compatible” statement is not equivalent to “Wi-Fi module included.”\u003c\/p\u003e\n\u003ch3\u003eConstruction and features designed for a residential mini-split\u003c\/h3\u003e\n\u003cp\u003eThe page dedicated to the X Series highlights the \u003cstrong\u003ehigh-efficiency Inverter technology\u003c\/strong\u003e, a heavy-gauge steel structure, quiet operation, room-temperature display on the indoor unit, and a corrosion-resistant coating. YORK also emphasizes that the system defrosts as needed rather than according to a rigid schedule, which is intended to reduce energy consumption associated with defrost cycles. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor Quebec’s climate, defrosting deserves particular attention. When the outdoor unit operates in heating mode during cold, humid weather, frost can accumulate on the outdoor coil. The system must periodically remove this buildup to maintain heat exchange.\u003c\/p\u003e\n\u003cp\u003eDuring a \u003cstrong\u003eHVAC service call\u003c\/strong\u003e, a homeowner may sometimes interpret a temporary change in operation during winter as a breakdown when it is simply a normal defrost cycle. Proper installation must also allow the water produced by this defrosting to drain away without creating a block of ice beneath the unit.\u003c\/p\u003e\n\u003ch2\u003eInstallation in Montreal, Laval, Longueuil, the North Shore, and the South Shore: the details that influence the outcome\u003c\/h2\u003e\n\u003ch3\u003eThe 1\/4 in – 1\/2 in piping is a critical detail when replacing equipment\u003c\/h3\u003e\n\u003cp\u003eThe DHX12CSB21S uses a \u003cstrong\u003e1\/4 in liquid line\u003c\/strong\u003e and a \u003cstrong\u003e1\/2 in gas line\u003c\/strong\u003e. The maximum total length is \u003cstrong\u003e65.5 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 \u003cstrong\u003e1\/2 in diameter on the gas side\u003c\/strong\u003e deserves careful checking when replacing an old heat pump.\u003c\/p\u003e\n\u003cp\u003eHere is a scenario we regularly encounter in HVAC work: a homeowner already has a wall-mounted unit, the lines are hidden behind trim, and they wish to keep the entire existing installation. The mere fact that the pipes “look like” those of the new unit is not enough.\u003c\/p\u003e\n\u003cp\u003eWe check the actual diameters, the condition of the copper, the length, the routing, and compatibility with the new unit. Automatically reusing a 3\/8 in gas line for a unit that requires \u003cstrong\u003e1\/2 po\u003c\/strong\u003e is not good practice.\u003c\/p\u003e\n\u003cp\u003eThis verification can prevent performance, oil return, refrigerant pressure, and long-term reliability problems.\u003c\/p\u003e\n\u003ch3\u003e220 V simplifies certain projects, but the circuit must remain compliant with the manufacturer's data\u003c\/h3\u003e\n\u003cp\u003eThis version of the YORK Series X is powered by \u003cstrong\u003e208\/230 V\u003c\/strong\u003e. The brochure lists an \u003cstrong\u003eMCA of 9 A\u003c\/strong\u003e and an \u003cstrong\u003eMOCP of 15 A\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMCA refers to the minimum circuit ampacity required by the equipment. MOCP establishes the maximum overcurrent protection based on the manufacturer's data.\u003c\/p\u003e\n\u003cp\u003eWhen replacing equipment, the presence of an old 240 V circuit does not allow us to immediately conclude that everything can be kept. The wiring, protection, disconnect switch, and entire connection must be compatible with the new equipment and applicable requirements.\u003c\/p\u003e\n\u003cp\u003eThis is also why it is useful to have the \u003cstrong\u003eexact model numbers before installation day\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003e33 inches of width indoors: wall selection remains important\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit measures approximately \u003cstrong\u003e33 × 11 × 8 in\u003c\/strong\u003e. This size is relatively compact for a 12,000 BTU wall-mounted unit, but the space available on the wall is not the only criterion.\u003c\/p\u003e\n\u003cp\u003eWe must also consider the necessary clearances, access to the filters, the possibility of carrying out \u003cstrong\u003ewall-mounted heat pump cleaning\u003c\/strong\u003e, the drain route, the piping layout, and the projected airflow.\u003c\/p\u003e\n\u003cp\u003eA location that looks ideal in a photo may be less suitable on-site if a beam, plumbing drainpipe, electrical panel, or exterior constraint is located behind the wall.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eHVAC installation\u003c\/strong\u003e must be designed as a whole, from the indoor evaporator to the outdoor condenser.\u003c\/p\u003e\n\u003ch3\u003eThe 33 × 21 × 13 in. condenser and winter management\u003c\/h3\u003e\n\u003cp\u003eThe outdoor unit measures approximately \u003cstrong\u003e33 in. wide, 21 in. deep, and 13 in. high\u003c\/strong\u003e, with a published sound pressure level of \u003cstrong\u003e54 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn \u003cstrong\u003eMontreal, Laval, and Longueuil\u003c\/strong\u003e, we must consider snow, ice, drainage, and proximity to windows or neighboring properties.\u003c\/p\u003e\n\u003cp\u003eInstalling the condenser too low can increase the risk of snow accumulating around the heat exchanger. Placing it in an area where defrost water remains trapped can create a mass of ice beneath the unit. A location too close to a bedroom can also make outdoor noise more noticeable at night.\u003c\/p\u003e\n\u003cp\u003eThe quality of an installation is therefore not measured solely by the appearance of the decorative line sets.\u003c\/p\u003e\n\u003ch3\u003eR-410A: a previous-generation platform that must be serviced according to its own specifications\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHX12CSB21S uses R-410A\u003c\/strong\u003e. The brochure specifies a refrigerant charge of 47.61 oz, or approximately 1.4 kg for this model. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe type of refrigerant is particularly important for servicing and repairs. Practices applicable to different refrigerants must never be mixed, and the gas used should not be assumed simply because two condensers appear similar.\u003c\/p\u003e\n\u003cp\u003eDuring an \u003cstrong\u003eHVAC service call or diagnostic\u003c\/strong\u003e, the nameplate and manufacturer information remain the primary references.\u003c\/p\u003e\n\u003ch3\u003eENERGY STAR: a difference between the 2020 brochure and the current product sheet that must be noted\u003c\/h3\u003e\n\u003cp\u003eOne documentary point deserves particular attention.\u003c\/p\u003e\n\u003cp\u003eThe AirGreen product sheet currently indicates \u003cstrong\u003eENERGY STAR: No\u003c\/strong\u003e and \u003cstrong\u003eENERGY STAR Cold Climate: No\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eHowever, the 2020 YORK brochure includes a note stating that all models shown on the X Series page were ENERGY STAR certified, with the exception of the 18,000 BTU models \u003cstrong\u003eDHX18NWB21S and DHX18CSB21S\u003c\/strong\u003e. According to this historical brochure, the 12,000 BTU 220 V model was therefore among the models identified as ENERGY STAR certified at that time. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese two sources do not necessarily describe the same certification status at the same time.\u003c\/p\u003e\n\u003cp\u003eFor a \u003cstrong\u003ecurrent Hydro-Québec or LogisVert subsidy\u003c\/strong\u003e, never rely solely on an old catalog. We must verify the current eligibility of the AHRI number and exact combination at the time of the project. The AirGreen listing provided mentions \u003cstrong\u003eAHRI 8578573\u003c\/strong\u003e and currently shows no provincial subsidy amount for this combination.\u003c\/p\u003e\n\u003cp\u003eThis is particularly relevant for homeowners comparing an older R-410A unit with a recent cold-climate-certified heat pump.\u003c\/p\u003e\n\u003ch3\u003eThe DHX12NWB21S indoor unit also appears in multizone systems: do not confuse the pairings\u003c\/h3\u003e\n\u003cp\u003eOne more technical detail can help avoid incorrect parts and documentation searches: \u003cstrong\u003eDHX12NWB21S\u003c\/strong\u003e also appears in the YORK catalog as a compatible wall-mounted indoor unit for certain W Series multizone systems. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn the product discussed here, it is paired with condenser \u003cstrong\u003eDHX12CSB21S\u003c\/strong\u003e, forming the \u003cstrong\u003e12,000 BTU 208\/230 V Single-Zone X Series\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis distinction becomes important when a homeowner is looking for a manual, circuit board, remote control, or warranty information. The indoor unit number alone is not always enough to identify the entire installed configuration.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we check both nameplates when a question depends on the exact pairing.\u003c\/p\u003e\n\u003ch3\u003eMaintenance: symptoms not to attribute immediately to the compressor\u003c\/h3\u003e\n\u003cp\u003eTo maintain good airflow, filters must remain clean, and the indoor heat exchanger must not gradually become dirty. An airflow restriction can reduce comfort, increase operating time, and give the impression that the heat pump has lost capacity.\u003c\/p\u003e\n\u003cp\u003eThe same principle applies to the condenser. Dust, debris, outdoor buildup, and ice can hinder heat exchange.\u003c\/p\u003e\n\u003cp\u003eWhen a customer tells us that their heat pump “isn’t heating as well as before,” we do not begin by assuming that the compressor needs to be replaced. We first examine the installation’s overall condition, airflow, temperatures, pressures, heat exchangers, controls, and system performance.\u003c\/p\u003e\n\u003cp\u003eThe YORK brochure also outlines diagnostic, defrost, and control functions that must be taken into account before concluding that there is a major failure.\u003c\/p\u003e\n\u003ch3\u003eWarranty: system registration is a document to keep\u003c\/h3\u003e\n\u003cp\u003eYORK documentation from this generation indicates a standard warranty of \u003cstrong\u003e7 years on the compressor and 5 years on parts\u003c\/strong\u003e, with the possibility of obtaining \u003cstrong\u003e10 years on the compressor and 10 years on parts\u003c\/strong\u003e for certain residential installations registered in accordance with the manufacturer's conditions. Ten-year labour coverage was also presented as a separate option requiring an additional purchase. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen information sheet indicates \u003cstrong\u003e10-10-0 years\u003c\/strong\u003e for the compressor, parts, and labour, with an additional warranty potentially available.\u003c\/p\u003e\n\u003cp\u003eIt is therefore important to keep the installation invoice, serial numbers, and any registration confirmation. A warranty stated on a product sheet remains subject to the conditions applicable to the system actually installed.\u003c\/p\u003e\n\u003ch3\u003eFor which customer does this YORK X Series 12,000 BTU make the most sense?\u003c\/h3\u003e\n\u003cp\u003eThis \u003cstrong\u003eYORK ductless heat pump\u003c\/strong\u003e is primarily intended for a single-zone project where a capacity of approximately 12,000 BTU truly meets the requirements.\u003c\/p\u003e\n\u003cp\u003eIt can be a coherent solution when a homeowner prioritizes a 208\/230 V Inverter system, a relatively compact indoor unit, a heating operating range down to -20 °C, optional Wi-Fi, and a ductless installation.\u003c\/p\u003e\n\u003cp\u003eIt is less obvious for a project where the top priority is a \u003cstrong\u003ecurrent cold-climate certification\u003c\/strong\u003e, a significant LogisVert rebate, or high heating capacity at the lowest winter temperatures. In that case, comparing this YORK with newer models may be worthwhile before making a decision.\u003c\/p\u003e\n\u003cp\u003eThat is precisely the role we play at \u003cstrong\u003eAirGreen Heat Pumps, Air Conditioning \u0026amp; Heating\u003c\/strong\u003e: not choosing a unit solely because its BTU rating seems to match the square footage, but analyzing the complete system and its installation context.\u003c\/p\u003e\n\u003ch3\u003eHave AirGreen review your project before choosing the capacity\u003c\/h3\u003e\n\u003cp\u003eFor a \u003cstrong\u003eYORK heat pump installation in Montreal, Laval, Longueuil, on the North Shore, South Shore, or in Montérégie\u003c\/strong\u003e, we can verify the required capacity, indoor and outdoor placement, piping, electrical circuit, and building-specific constraints.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eContact AirGreen for a quote, a comparison with other ductless heat pumps, or technical validation before installation.\u003c\/strong\u003e A good choice starts with the exact model, but also with an installation designed around the actual building.\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":56120414404900,"sku":"DHX12CSB21S","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_MINI_SPLIT_YORK_SERIE_X_12000_BTU_220V_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_4bd4eb50-1e11-4a91-a6e4-0ee8523d2ff8.png?v=1789426029"},{"product_id":"mini-split-york-serie-x-23-seer-18000-btu","title":"YORK X Series Mini Split 23 SEER | 18000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eAn 18,000 BTU YORK wall-mounted heat pump that should be evaluated by its exact model, not solely by the X Series name\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYORK X Series 18,000 BTU Mini Split\u003c\/strong\u003e is a single-zone wall-mounted heat pump consisting of the \u003cstrong\u003eDHX18NWB21S\u003c\/strong\u003e indoor unit and the \u003cstrong\u003eDHX18CSB21S\u003c\/strong\u003e outdoor unit, powered by \u003cstrong\u003e208\/230 V\u003c\/strong\u003e and using \u003cstrong\u003eR-410A\u003c\/strong\u003e. In a house, condo, apartment, office, or open-concept area in \u003cstrong\u003eMontreal, Laval, Longueuil, on the North Shore or South Shore\u003c\/strong\u003e, this capacity falls into a very common category: large enough to condition a substantial zone while remaining a relatively compact ductless system.\u003c\/p\u003e\n\u003cp\u003eThe commercial name \u003cstrong\u003e“X Series 23 SEER”\u003c\/strong\u003e nevertheless requires an important clarification. YORK does present the \u003cstrong\u003eX Series as a family that can reach 23 SEER\u003c\/strong\u003e, but the exact 18,000 BTU \u003cstrong\u003eDHX18NWB21S \/ DHX18CSB21S\u003c\/strong\u003e combination does not reach 23 SEER. The YORK catalog provided with this listing indicates \u003cstrong\u003e20 SEER, 12.5 EER, and 10 HSPF\u003c\/strong\u003e for this specific model. It also confirms a rated capacity of \u003cstrong\u003e18,000 BTU\/h in cooling\u003c\/strong\u003e and \u003cstrong\u003e19,800 BTU\/h in heating\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe YORK specification sheet currently associated with \u003cstrong\u003eAHRI 8578577\u003c\/strong\u003e also lists this combination as a \u003cstrong\u003e1.5-ton, 18,000 BTU, 20 SEER2\u003c\/strong\u003e single-zone system. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis distinction is exactly the type of detail we verify at \u003cstrong\u003eAirGreen\u003c\/strong\u003e before comparing two heat pumps. The maximum advertised performance for a product family is not automatically the performance of every capacity in that family.\u003c\/p\u003e\n\u003ch3\u003eThe exact models that make up this system\u003c\/h3\u003e\n\u003cp\u003eThe 18,000 BTU configuration includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWall-mounted indoor unit: DHX18NWB21S\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInverter outdoor unit: DHX18CSB21S\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAHRI number: 8578577\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eType: single-zone ductless air-to-air heat pump\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated cooling capacity: 18,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated heating capacity: 19,800 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVoltage: 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\u003ePiping: 1\/4 in. liquid and 5\/8 in. gas\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCA: 16 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum MOCP\/MOP protection: 25 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWi-Fi: optional\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWireless remote control: standard\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYORK explicitly identifies the \u003cstrong\u003eDHX18NWB21S and DHX18CSB21S\u003c\/strong\u003e models as the 18,000 BTU 208\/230 V pair in the X Series. The manufacturer highlights Inverter technology, quiet operation, corrosion protection, and demand-based defrosting. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eRated at 18,000 BTU, but with capacity that actually modulates\u003c\/h3\u003e\n\u003cp\u003eThe mention of \u003cstrong\u003e18,000 BTU\u003c\/strong\u003e does not mean that the compressor constantly produces 18,000 BTU\/h. \u003cstrong\u003eInverter\u003c\/strong\u003e technology adjusts its capacity according to the thermal load.\u003c\/p\u003e\n\u003cp\u003eFor the DHX18:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003erated cooling capacity: \u003cstrong\u003e18,000 BTU\/h\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ecooling range: \u003cstrong\u003e7,165 to 20,000 BTU\/h\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003erated heating capacity: \u003cstrong\u003e19,800 BTU\/h\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eheating range: \u003cstrong\u003e7,336 to 23,498 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis modulation range matters greatly in a real installation. Consider an open-plan area that requires high capacity during a hot July afternoon. The compressor can increase its output. Once the temperature has stabilized, it can reduce its speed instead of constantly cycling on and off.\u003c\/p\u003e\n\u003cp\u003eFor the homeowner, this can translate into a more consistent temperature, fewer sudden fluctuations, and generally quieter operation when the load decreases.\u003c\/p\u003e\n\u003ch3\u003e20 SEER in the original documentation: why does the title say 23 SEER?\u003c\/h3\u003e\n\u003cp\u003eThe X Series included several capacities. In the YORK catalogue, the \u003cstrong\u003e9,000 BTU 208\/230 V model reaches 23 SEER\u003c\/strong\u003e, the 12,000 BTU model is listed at 22 SEER, while the \u003cstrong\u003e18,000 and 24,000 BTU models are listed at 20 SEER\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTherefore, \u003cstrong\u003e“X Series 23 SEER” should be interpreted as the name of the product line or its maximum efficiency\u003c\/strong\u003e, not as the exact rating of the DHX18.\u003c\/p\u003e\n\u003cp\u003eFor customers comparing different quotes for \u003cstrong\u003ewall-mounted heat pumps in Montreal\u003c\/strong\u003e, this distinction is far from minor. Two units with similar commercial names may have different certified performance ratings depending on their capacity.\u003c\/p\u003e\n\u003cp\u003eThe documentation currently published within the YORK network points in the same direction: the system corresponding to \u003cstrong\u003eAHRI 8578577\u003c\/strong\u003e is identified as an \u003cstrong\u003e18,000 BTU, 1.5-ton, 20 SEER2\u003c\/strong\u003e system. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHeating down to -20 °C: a figure that must be interpreted correctly in Quebec\u003c\/h3\u003e\n\u003cp\u003eThe YORK technical table sets the DHX18’s heating operating range at approximately \u003cstrong\u003e-20 °C to +24 °C\u003c\/strong\u003e and its cooling range at approximately \u003cstrong\u003e-18 °C to +46 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis means that the manufacturer authorizes the system to operate in heating mode down to \u003cstrong\u003e-20 °C\u003c\/strong\u003e. However, this does not mean that the heat pump will still provide its \u003cstrong\u003erated 19,800 BTU\/h\u003c\/strong\u003e when the outdoor temperature reaches -20 °C.\u003c\/p\u003e\n\u003cp\u003eThis is an important distinction for our climate.\u003c\/p\u003e\n\u003cp\u003eIn \u003cstrong\u003eMontreal, Laval, Longueuil, Boucherville, Terrebonne, Blainville, Repentigny, or elsewhere on the North Shore and South Shore\u003c\/strong\u003e, temperatures can fall below this generation of equipment’s operating limit. We therefore need to view the heat pump as a component of the building’s heating system, rather than simply reading “heating -20 °C” on a technical data sheet.\u003c\/p\u003e\n\u003cp\u003eWhen existing electric heating remains available, such as baseboard heaters or other backup equipment, the system can make a substantial contribution to reducing the use of resistance heating during much of the season. For a project where the homeowner wants a heat pump intended to provide the maximum possible share of heating during extreme cold, we would compare this X Series with modern models specifically designed and certified for the \u003cstrong\u003ecold climate\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eAn interesting feature: 15,900 BTU at -8 °C and 15,000 BTU at -15 °C\u003c\/h3\u003e\n\u003cp\u003eThe associated AirGreen product sheet indicates a heating capacity of \u003cstrong\u003e15,900 BTU\/h at -8 °C\u003c\/strong\u003e and \u003cstrong\u003e15,000 BTU\/h at -15 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThese values clearly illustrate why low-temperature capacity is more useful than the single “18,000 BTU” figure for understanding winter performance.\u003c\/p\u003e\n\u003cp\u003eA unit may be nominally rated at 18,000 or 19,800 BTU under standard certification conditions, then provide a different capacity when the outdoor air becomes much colder. This is precisely the subzero-temperature capacity we examine when a homeowner asks us, “Will this heat pump actually heat my home in January?”\u003c\/p\u003e\n\u003ch3\u003eA 38-inch indoor unit that moves up to approximately 559 CFM\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHX18NWB21S\u003c\/strong\u003e wall-mounted unit measures approximately \u003cstrong\u003e38 × 12 × 9 in\u003c\/strong\u003e. Its airflow varies depending on the fan setting. YORK documentation lists \u003cstrong\u003e559 \/ 489 \/ 412 \/ 335 CFM\u003c\/strong\u003e for the four levels, while indoor sound pressure ranges from approximately \u003cstrong\u003e47 to 35 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese figures have a practical consequence for choosing the location.\u003c\/p\u003e\n\u003cp\u003eAn 18,000 BTU wall-mounted heat pump installed at the end of a long hallway will not necessarily provide the same comfort as a unit positioned to project air along the main axis of an open-concept area. We therefore aim to use the appliance’s air-moving capacity rather than fight against the home’s layout.\u003c\/p\u003e\n\u003cp\u003eIn our assessments of \u003cstrong\u003eHVAC projects in Greater Montreal\u003c\/strong\u003e, the best locations are not always those that make the piping route the shortest. We must also consider:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eair movement;\u003c\/li\u003e\n\u003cli\u003ethe layout of the rooms;\u003c\/li\u003e\n\u003cli\u003edoors and passageways;\u003c\/li\u003e\n\u003cli\u003ehigh furniture;\u003c\/li\u003e\n\u003cli\u003ewalls that block the air stream;\u003c\/li\u003e\n\u003cli\u003efuture access for cleaning;\u003c\/li\u003e\n\u003cli\u003ethe condensate drain route;\u003c\/li\u003e\n\u003cli\u003ethe possible location of the outdoor unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e35 dB(A) at the low setting: what this changes in an occupied room\u003c\/h3\u003e\n\u003cp\u003eYORK publishes a range of approximately \u003cstrong\u003e35 to 47 dB(A)\u003c\/strong\u003e for this indoor unit. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe 35 dB(A) value corresponds to low-speed operation. When high demand requires greater airflow, the noise naturally increases.\u003c\/p\u003e\n\u003cp\u003eThis is why sizing also affects acoustic comfort. An appliance operating constantly at its higher setting will be more noticeable than a properly selected system that can reduce its airflow once the desired temperature is reached.\u003c\/p\u003e\n\u003cp\u003eFor a bedroom, home office, or living room where noise is a priority, we therefore assess both \u003cstrong\u003ethe published sound level and the actual load of the space\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eThe outdoor unit: 38 × 28 × 16 in. and approximately 55 dB(A)\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHX18CSB21S\u003c\/strong\u003e condenser measures approximately \u003cstrong\u003e38 in. wide, 28 in. high, and 16 in. deep\u003c\/strong\u003e. The catalog indicates an outdoor sound pressure level of \u003cstrong\u003e55 dB(A)\u003c\/strong\u003e and an R-410A refrigerant charge of approximately \u003cstrong\u003e1.7 kg\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 a dense residential area of \u003cstrong\u003eLaval\u003c\/strong\u003e, the choice of outdoor location deserves particular attention. We consider windows, neighbors, accessibility, snow removal, and the required clearances around the heat exchanger.\u003c\/p\u003e\n\u003cp\u003eAn outdoor unit must not be installed in a location where it will regularly be buried by snow or where airflow is severely restricted.\u003c\/p\u003e\n\u003ch3\u003e1\/4 in. – 5\/8 in. piping: a critical detail when replacing a system\u003c\/h3\u003e\n\u003cp\u003eThe DHX18 uses:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/4 in. liquid side\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5\/8 in. gas side\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003edrain indicated at \u003cstrong\u003e5\/8 po\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003emaximum total piping length: approximately \u003cstrong\u003e82 ft (25 m)\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003emaximum height difference: approximately \u003cstrong\u003e33 ft (10 m)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003e5\/8 in. gas-side diameter\u003c\/strong\u003e is particularly important when replacing an existing heat pump.\u003c\/p\u003e\n\u003cp\u003eWe regularly see projects where the owner wants to keep the old lines because they are concealed in a finished ceiling or wall. The right question is not simply whether “the pipes are still good.” You must check their \u003cstrong\u003ediameter, condition, length, compatibility with the new system, and refrigerant history\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eInstalling equipment designed for 1\/4–5\/8 on an unsuitable line simply to avoid work can compromise the operation and compliance of the installation.\u003c\/p\u003e\n\u003ch3\u003eElectrical circuit: MCA 16 A and maximum protection of 25 A\u003c\/h3\u003e\n\u003cp\u003eThe DHX18 is powered by \u003cstrong\u003e208\/230 V single-phase\u003c\/strong\u003e. YORK specifies:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003erated cooling current: \u003cstrong\u003e8.7 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003erated heating current: \u003cstrong\u003e7.5 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMCA: 16 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOCP: 25 A\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMCA corresponds to the minimum ampacity to be considered for the circuit according to the equipment requirements, while MOCP establishes the maximum overcurrent protection permitted by the manufacturer.\u003c\/p\u003e\n\u003cp\u003eThis does not mean that a circuit breaker should be chosen at random between these two values. The electrical connection must be carried out according to the nameplate data, the documentation, the applicable Code, and the actual installation characteristics.\u003c\/p\u003e\n\u003ch3\u003eOptional Wi-Fi: the CS532AH adapter is required\u003c\/h3\u003e\n\u003cp\u003eThe X Series is compatible with phone control, but \u003cstrong\u003eWi-Fi is not factory-installed on this generation\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe catalog states:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003estandard \u003cstrong\u003eDRCPX\u003c\/strong\u003e wireless remote control;\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEWPE Smart App\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ecompatible with the P, X, and Z Series;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCS532AH adapter required for the X Series\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor an owner who already has a DHX18 and wants to add Wi-Fi, we recommend checking the unit’s exact model before ordering a module. On an older-generation system, the availability of a compatible app does not automatically mean that the module is still available through all distribution channels.\u003c\/p\u003e\n\u003ch3\u003eX Series comfort features\u003c\/h3\u003e\n\u003cp\u003eThe YORK comparison table attributes several useful features to the X Series: Inverter technology, heating and cooling modes, dehumidification, energy saving, sleep mode, quiet operation, \u003cstrong\u003eiFeel\u003c\/strong\u003e function, intelligent preheating, intelligent defrosting, self-cleaning, automatic diagnosis, automatic restart, and louver control. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eControlling the louvers in the vertical and horizontal directions helps distribute air more evenly throughout a large room.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eiFeel\u003c\/strong\u003e function is also interesting in certain configurations. The principle is to use the temperature detected near the remote control rather than relying solely on the sensor located in the wall-mounted unit, which is normally near the ceiling, where the temperature may differ from that felt in the occupied zone.\u003c\/p\u003e\n\u003ch2\u003eInstallation in Quebec: where the YORK X Series 18,000 BTU is relevant, and where a newer model may be preferable\u003c\/h2\u003e\n\u003ch3\u003eA good candidate for an open-plan area or a zone with an actual load of around 18,000 BTU\u003c\/h3\u003e\n\u003cp\u003eCapacity should never be selected solely from a simplified square-footage chart.\u003c\/p\u003e\n\u003cp\u003eAn 800 sq. ft. open-plan area in a recent, well-insulated building does not necessarily have the same needs as an 800 sq. ft. space in a century-old duplex in \u003cstrong\u003eMontreal\u003c\/strong\u003e with large windows, poorly insulated walls, and significant air infiltration.\u003c\/p\u003e\n\u003cp\u003eWhen AirGreen evaluates a project, we consider in particular:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe area and volume of the zone;\u003c\/li\u003e\n\u003cli\u003eceiling height;\u003c\/li\u003e\n\u003cli\u003ethe number of exterior walls;\u003c\/li\u003e\n\u003cli\u003ethe number and orientation of windows;\u003c\/li\u003e\n\u003cli\u003einsulation;\u003c\/li\u003e\n\u003cli\u003esun exposure;\u003c\/li\u003e\n\u003cli\u003ecommunication with adjacent rooms;\u003c\/li\u003e\n\u003cli\u003einternal loads;\u003c\/li\u003e\n\u003cli\u003ethe client’s winter heating objectives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAn \u003cstrong\u003eoversized 18,000 BTU unit\u003c\/strong\u003e is not automatically better than a properly selected 12,000 or 15,000 BTU unit. Conversely, choosing a unit that is too small solely to reduce the price can force the system to operate continuously at high capacity during critical periods.\u003c\/p\u003e\n\u003ch3\u003eA typical scenario: replacing an old wall-mounted unit without redoing all the interior finishing\u003c\/h3\u003e\n\u003cp\u003eA common situation in the \u003cstrong\u003eGreater Montreal Area\u003c\/strong\u003e involves an existing wall-mounted heat pump whose piping runs through a finished part of the building.\u003c\/p\u003e\n\u003cp\u003eThe client wants to preserve the existing route as much as possible. With a DHX18, the first check is simple but essential: \u003cstrong\u003eare the existing lines actually 1\/4 in – 5\/8 in?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf this is not the case, we do not automatically consider an improvised adaptation acceptable. Instead, we analyze the best compromise between:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ereplacing the piping;\u003c\/li\u003e\n\u003cli\u003enew outdoor route;\u003c\/li\u003e\n\u003cli\u003elimited opening and restoration;\u003c\/li\u003e\n\u003cli\u003echoosing another compatible model;\u003c\/li\u003e\n\u003cli\u003erelocating the condenser.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis type of detail explains why two quotes for “an 18,000 BTU heat pump” can differ significantly. The equipment cost is only one part of the project.\u003c\/p\u003e\n\u003ch3\u003eDrainage must be considered from the moment the location is chosen\u003c\/h3\u003e\n\u003cp\u003eIn air conditioning and dehumidification, the evaporator produces condensation water. This water must flow into a properly installed drain.\u003c\/p\u003e\n\u003cp\u003eWhen a natural slope is possible, we generally prioritize it. If the architecture requires the water to be lifted or makes a slope impossible, a condensate pump may become necessary.\u003c\/p\u003e\n\u003cp\u003eA poorly designed drain can cause much more unpleasant problems than most homeowners imagine: indoor leakage, odors, biofilm buildup, pump noise, or difficult access for maintenance.\u003c\/p\u003e\n\u003cp\u003eThe indoor unit location should therefore be chosen with the drain route in mind, not solely based on aesthetics.\u003c\/p\u003e\n\u003ch3\u003eR-410A: a familiar technology, but belonging to an earlier generation\u003c\/h3\u003e\n\u003cp\u003eThe DHX18 uses \u003cstrong\u003eR-410A\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIt is a refrigerant that was widely used for many years in residential systems. However, the current HVAC market is gradually shifting toward refrigerants with lower global warming potential.\u003c\/p\u003e\n\u003cp\u003eThis does not mean that an existing R-410A system must be replaced simply for that reason. For a \u003cstrong\u003enew installation\u003c\/strong\u003e, however, the refrigerant type is now one of the criteria we present to the customer when comparing an older in-stock unit with a current-generation model.\u003c\/p\u003e\n\u003ch3\u003eENERGY STAR: YORK documentation specifically excludes the DHX18\u003c\/h3\u003e\n\u003cp\u003eHere is another point that should be verified by model number rather than by product line name.\u003c\/p\u003e\n\u003cp\u003eThe YORK catalog specifies that \u003cstrong\u003eall models in the table are ENERGY STAR certified, except models DHX18NWB21S and DHX18CSB21S\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis corresponds to the information displayed on the AirGreen page: \u003cstrong\u003eENERGY STAR: No\u003c\/strong\u003e and \u003cstrong\u003eENERGY STAR Cold Climate: No\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis exception is important because other capacities in the same X Series may have had different certifications. We therefore should not conclude that a DHX18 is ENERGY STAR certified simply because another X Series capacity is.\u003c\/p\u003e\n\u003ch3\u003eImplications for LogisVert since November 26, 2025\u003c\/h3\u003e\n\u003cp\u003eHydro-Québec currently states that heat pumps installed \u003cstrong\u003esince November 26, 2025, must be ENERGY STAR certified to qualify for LogisVert financial assistance\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSince the \u003cstrong\u003eDHX18NWB21S \/ DHX18CSB21S pair is explicitly excluded from ENERGY STAR certification in the YORK catalog\u003c\/strong\u003e, this configuration should not be presented as eligible for the LogisVert program for a current installation.\u003c\/p\u003e\n\u003cp\u003eThis is an important point when calculating a project’s actual cost. An in-stock unit offered at an attractive price may seem advantageous initially, but a newer model eligible for financial assistance can sometimes provide a better net cost, in addition to superior winter performance.\u003c\/p\u003e\n\u003cp\u003eFor this reason, at AirGreen, we always compare \u003cstrong\u003ethe installed price after any potential rebate\u003c\/strong\u003e, not just the displayed equipment price.\u003c\/p\u003e\n\u003ch3\u003eWarranty: 10 years possible subject to the applicable registration requirements\u003c\/h3\u003e\n\u003cp\u003eThe YORK catalog for this generation describes a basic 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 for an eligible residential installation after registration. Ten-year labor coverage was also available under certain conditions with the purchase of an extension. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen DHX18 page, for its part, lists a warranty \u003cstrong\u003e10-10-0\u003c\/strong\u003e, with the possibility of additional warranty coverage.\u003c\/p\u003e\n\u003cp\u003eFor a unit from existing inventory, best practice is to confirm the warranty terms applicable to the \u003cstrong\u003eactual serial number\u003c\/strong\u003e, the sale date, and the installation date. Registration policies may vary depending on the product’s age and the market for which it was intended.\u003c\/p\u003e\n\u003ch3\u003eMaintenance: four factors that directly affect performance\u003c\/h3\u003e\n\u003cp\u003eA properly installed wall-mounted heat pump must also be kept clean.\u003c\/p\u003e\n\u003cp\u003eFor the DHX18, we pay particular attention to:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe indoor unit filters\u003c\/strong\u003e: a restriction reduces airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe evaporator and blower wheel\u003c\/strong\u003e: significant buildup can reduce heat transfer and cause odors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe condensate drain\u003c\/strong\u003e: it must remain clear and properly sloped.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe outdoor coil\u003c\/strong\u003e: leaves, dust, snow, or vegetation must not block airflow.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eYORK also provided P, X, and Z Series options for photocatalytic and activated carbon filters in its accessory catalog. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhen the YORK X Series DHX18 remains a logical choice\u003c\/h3\u003e\n\u003cp\u003eThis heat pump may be relevant when:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe \u003cstrong\u003e18,000 BTU\u003c\/strong\u003e capacity genuinely meets the need;\u003c\/li\u003e\n\u003cli\u003ethe piping \u003cstrong\u003e1\/4–5\/8\u003c\/strong\u003e suitable for the project;\u003c\/li\u003e\n\u003cli\u003ethe main very-low-temperature heating is provided or supplemented by another source;\u003c\/li\u003e\n\u003cli\u003ethe absence of the LogisVert grant is already factored into the financial calculation;\u003c\/li\u003e\n\u003cli\u003ethe equipment price makes the proposal attractive;\u003c\/li\u003e\n\u003cli\u003ethe customer is specifically seeking a YORK configuration from this generation;\u003c\/li\u003e\n\u003cli\u003ean existing installation needs to be replaced due to specific constraints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt offers a rated heating capacity higher than its rated cooling capacity, Inverter modulation, four fan speeds, a full-featured remote control, and operation down to approximately \u003cstrong\u003e-20 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhen we would instead recommend comparing it with a current heat pump\u003c\/h3\u003e\n\u003cp\u003eFor a new build or a complete replacement without compatibility constraints, it is worth comparing the DHX18 with next-generation heat pumps when the homeowner prioritizes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eENERGY STAR certification\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ecold-climate\u003c\/strong\u003e certification;\u003c\/li\u003e\n\u003cli\u003ebetter heating capacity below -20 °C;\u003c\/li\u003e\n\u003cli\u003eeligibility for \u003cstrong\u003eLogisVert\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ea next-generation refrigerant;\u003c\/li\u003e\n\u003cli\u003ebuilt-in Wi-Fi;\u003c\/li\u003e\n\u003cli\u003eeven lower noise levels;\u003c\/li\u003e\n\u003cli\u003ehigher seasonal efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe comparison should focus on the project’s total cost, low-temperature performance, warranties, and available financial assistance—not just the number of BTUs indicated in the product name.\u003c\/p\u003e\n\u003ch3\u003eWhy entrust installation and sizing to AirGreen\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen Heat Pumps, Air Conditioning \u0026amp; Heating\u003c\/strong\u003e, we serve \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore, the South Shore, and the entire Greater Montreal area\u003c\/strong\u003e for HVAC system installation, replacement, and maintenance.\u003c\/p\u003e\n\u003cp\u003eWith a unit like the \u003cstrong\u003eYORK DHX18\u003c\/strong\u003e, our added value includes verifying what lies behind the commercial headline: actual capacity, modulation range, piping diameter, electrical requirements, operating limits, ENERGY STAR certification, eligibility for rebates, and specific building constraints.\u003c\/p\u003e\n\u003cp\u003eThat is also why we emphasize the references \u003cstrong\u003eDHX18NWB21S \/ DHX18CSB21S\u003c\/strong\u003e and \u003cstrong\u003eAHRI 8578577\u003c\/strong\u003e. Model numbers make it possible to make a decision based on precise technical data rather than a simple “23 SEER” label.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre you considering an 18,000 BTU wall-mounted heat pump, or do you need to replace an existing YORK system? Contact AirGreen for a quote and project assessment. We can verify installation compatibility, compare the DHX18 with current models, and recommend the HVAC solution best suited to your property in Montreal, Laval, Longueuil, the North Shore, or the South Shore.\u003c\/strong\u003e\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":56120414437668,"sku":"DHX18CSB21S","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_MINI_SPLIT_YORK_SERIE_X_18000_BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_11ae7ecf-c362-4c6d-9a3d-6e9111365762.png?v=1789426029"},{"product_id":"mini-split-york-serie-x-23-seer-24000-btu","title":"YORK X Series Mini Split 23 SEER | 24000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA large wall-mounted heat pump that deserves to be evaluated based on its actual capabilities, not just the “24,000 BTU” label\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYORK X Series 23 SEER Mini Split | 24000 BTU\u003c\/strong\u003e is intended for a very different type of project than a small wall-mounted heat pump installed solely in a bedroom. With its 42-inch indoor unit, airflow of up to 706 CFM, and broad modulation range, this combination may be suitable for a \u003cstrong\u003elarge open-concept area, a floor, a small commercial space, a living room connected to a kitchen, or a residential area with a significant heating load\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we pay particular attention to 24,000 BTU models because they are often chosen too quickly. Some homeowners select them based solely on floor area; others think that a larger unit will necessarily provide better comfort. In practice, the right selection depends on the building's layout, insulation, sun exposure, windows, ceilings, air circulation, and actual heating demand.\u003c\/p\u003e\n\u003cp\u003eFor this X Series, the model numbers are precise: \u003cstrong\u003eDHX24NWB21S for the wall-mounted indoor unit\u003c\/strong\u003e and \u003cstrong\u003eDHX24CSB21S for the outdoor unit\u003c\/strong\u003e. YORK clearly identifies this pair as the 24K BTU\/h, 208\/230 V configuration in its X Series. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHowever, it is important to understand a particular feature of the nomenclature. The product line is called \u003cstrong\u003e“X Series 23 SEER”\u003c\/strong\u003e, but this figure represents the maximum performance of the family and not necessarily that of every capacity. For the DHX24 model specifically, the brochure indicates \u003cstrong\u003eSEER 20, EER 12.5, and HSPF 10\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is exactly the kind of detail we verify before comparing two HVAC systems. A general commercial designation never replaces reviewing the data sheet corresponding to the two model numbers actually installed.\u003c\/p\u003e\n\u003ch3\u003eYORK DHX24NWB21S + DHX24CSB21S: essential technical specifications\u003c\/h3\u003e\n\u003cp\u003eThe model presented on our AirGreen page is associated with reference \u003cstrong\u003eAHRI 8578581\u003c\/strong\u003e and operates with \u003cstrong\u003eR410A\u003c\/strong\u003e. The 2020 YORK brochure provides particularly detailed data for this combination.\u003c\/p\u003e\n\u003cp\u003eThe key specifications are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor unit: DHX24NWB21S\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit: DHX24CSB21S\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePower supply: 208\/230 V, 1 phase, 60 Hz\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eYORK published rated cooling capacity: 22,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCooling modulation range: 6,824 to 27,296 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated heating capacity: 23,000 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHeating modulation range: 6,824 to 30,708 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER: 12.5\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSEER: 20 for this specific combination\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF: 10\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCA: 20 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMOCP\/MOP: 30 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor airflow: 706 \/ 647 \/ 588 \/ 530 CFM\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor sound pressure: 48 \/ 44 \/ 40 \/ 36 dB(A)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor sound pressure: 59 dB(A)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePiping: 1\/4 in liquid and 5\/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: 82 ft \/ 25 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\u003eHeating range: down to -20 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCooling range: down to -18 °C outdoor low-temperature side\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi available with CS532AH adapter\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese figures provide a much more useful picture of the unit’s potential behavior than a simple “24,000 BTU.”\u003c\/p\u003e\n\u003ch3\u003eWhy does YORK call it 24,000 BTU when the brochure indicates 22,000 BTU nominal cooling capacity?\u003c\/h3\u003e\n\u003cp\u003eThis difference deserves a clear explanation.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHX24\u003c\/strong\u003e belongs to YORK’s 24K commercial category, but the nominal cooling capacity listed in the manufacturer’s table is \u003cstrong\u003e22,000 BTU\/h\u003c\/strong\u003e. However, its maximum modulated capacity reaches \u003cstrong\u003e27,296 BTU\/h\u003c\/strong\u003e in cooling mode. In heating mode, it is nominally \u003cstrong\u003e23,000 BTU\/h\u003c\/strong\u003e and can reach \u003cstrong\u003e30,708 BTU\/h\u003c\/strong\u003e under the conditions defined by the manufacturer. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis does not mean there is a product error. HVAC equipment families are commonly grouped by capacity classes, while the certified data for a specific combination may differ from the round value used in its commercial designation.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, when we size a \u003cstrong\u003ewall-mounted heat pump in Montreal, Laval, Longueuil, on the North Shore or the South Shore\u003c\/strong\u003e, we therefore consider the certified capacity and its modulation range, not just the number shown in the product name.\u003c\/p\u003e\n\u003ch3\u003eModulation that genuinely changes the unit’s behavior\u003c\/h3\u003e\n\u003cp\u003eThe YORK X Series 24K’s modulation range is noteworthy because it can drop to approximately \u003cstrong\u003e6,824 BTU\/h\u003c\/strong\u003e while also being able to significantly exceed its nominal capacity at a given moment.\u003c\/p\u003e\n\u003cp\u003eA properly sized Inverter unit therefore does not constantly operate at 22,000 or 24,000 BTU. As the room approaches the desired temperature, the compressor can reduce its output to better track the load.\u003c\/p\u003e\n\u003cp\u003eYORK explains that its mini-split systems specifically use this refrigerant flow modulation to adjust capacity to the zone’s demand. This technology also helps limit the temperature fluctuations associated with systems that constantly start and stop. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn a large open-concept area in \u003cstrong\u003eLongueuil\u003c\/strong\u003e, for example, demand can be high on a July afternoon when the sun shines directly through several windows, then drop sharply after sunset. The advantage of the Inverter compressor is precisely that it does not handle these two situations in the same way.\u003c\/p\u003e\n\u003ch3\u003eA maximum airflow of 706 CFM: the positioning of the indoor module becomes crucial\u003c\/h3\u003e\n\u003cp\u003eThe DHX24NWB21S provides four airflow levels: \u003cstrong\u003e706, 647, 588 and 530 CFM\u003c\/strong\u003e. YORK indicates corresponding sound levels of \u003cstrong\u003e48, 44, 40 and 36 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWith airflow of this magnitude, the location of the indoor unit must be carefully considered.\u003c\/p\u003e\n\u003cp\u003eWe avoid sending the airflow from a 24K unit directly toward a sofa, dining table, or workstation located a short distance away whenever possible. The goal is instead to take advantage of the room's length so that the air gradually mixes before returning to the evaporator.\u003c\/p\u003e\n\u003cp\u003eIn our \u003cstrong\u003eHVAC projects in Montreal and the Montérégie\u003c\/strong\u003e, a common mistake is to select the only wall where installation seems easy without analyzing the airflow path. The system can then produce enough BTUs while creating an uncomfortable zone directly in front of the unit and a less uniform temperature at the other end.\u003c\/p\u003e\n\u003ch3\u003eA 42-inch indoor unit designed to move a lot of air\u003c\/h3\u003e\n\u003cp\u003eThe indoor module measures \u003cstrong\u003e42 × 13 × 10 in\u003c\/strong\u003e, or approximately 1,078 × 325 × 246 mm. Its net weight is approximately 38 lb. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe DHX24CSB21S outdoor unit is larger: approximately \u003cstrong\u003e39 × 31 × 17 in\u003c\/strong\u003e, or 980 × 790 × 427 mm. YORK indicates a net weight of approximately 142 lb and an outdoor sound pressure level of \u003cstrong\u003e59 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese dimensions have a direct impact on a \u003cstrong\u003eheat pump installation\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eOn a narrow lot in Montreal, a condo balcony in Laval, or a home's side yard on the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e, sufficient space must be allowed for clearances, future servicing of the unit, air discharge, and snow management in winter.\u003c\/p\u003e\n\u003cp\u003eThe choice of outdoor support also matters. The unit must not be positioned where ice, snow, or water from a roof could regularly fall onto the appliance.\u003c\/p\u003e\n\u003ch3\u003eHeating Down to -20 °C: The Minimum Temperature Does Not Tell the Whole Story\u003c\/h3\u003e\n\u003cp\u003eThe YORK brochure indicates a heating operating range of \u003cstrong\u003e-20 °C to 24 °C\u003c\/strong\u003e for the DHX24CSB21S. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOur AirGreen specifications also provide additional low-temperature capacity data: approximately \u003cstrong\u003e20,000 BTU at -8 °C\u003c\/strong\u003e, \u003cstrong\u003e19,800 BTU at -15 °C\u003c\/strong\u003e, and a displayed maximum value of \u003cstrong\u003e11,000 BTU at -20 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThese figures show why we never evaluate a heat pump solely based on the statement “heats down to -20 °C.”\u003c\/p\u003e\n\u003cp\u003eThe more important question is: \u003cstrong\u003ehow much heating capacity remains when it is actually cold?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA unit may continue operating at -20 °C while providing less capacity than at 0 °C. If the home’s heat loss exceeds the heat pump’s output at that temperature, a supplemental heating source must take over or assist with heating.\u003c\/p\u003e\n\u003cp\u003eThis distinction is particularly important for homeowners in \u003cstrong\u003eLaval, Terrebonne, Blainville, Repentigny, Longueuil, Boucherville, and other areas of Greater Montreal\u003c\/strong\u003e, where temperatures can drop well below -15 °C.\u003c\/p\u003e\n\u003ch3\u003e1\/4 in. – 5\/8 in.: Piping to Confirm Before Any Replacement\u003c\/h3\u003e\n\u003cp\u003eThe DHX24 uses a \u003cstrong\u003e1\/4 in.\u003c\/strong\u003e liquid line and a \u003cstrong\u003e5\/8 in.\u003c\/strong\u003e gas line. The brochure allows for a maximum length of \u003cstrong\u003e82 feet\u003c\/strong\u003e and a maximum elevation difference of \u003cstrong\u003e33 feet\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe 5\/8 in. diameter on the gas side is an important consideration when replacing a unit.\u003c\/p\u003e\n\u003cp\u003eWe often encounter properties where the old unit used different piping. A homeowner may then want to keep the existing lines to reduce the amount of work. This is not automatically possible.\u003c\/p\u003e\n\u003cp\u003eA 24,000 BTU heat pump from another manufacturer does not necessarily use the same diameters. We therefore check the existing lines before confirming that they can be reused.\u003c\/p\u003e\n\u003cp\u003eThe savings from keeping unsuitable piping are never worth the potential problems with refrigerant flow, oil return, and compressor operation.\u003c\/p\u003e\n\u003ch3\u003eMCA 20 A and MOP 30 A: What This Means for the Electrical Circuit\u003c\/h3\u003e\n\u003cp\u003eThe YORK X Series 24K operates on a \u003cstrong\u003e208\/230 V single-phase power supply\u003c\/strong\u003e. Its manufacturer’s specifications indicate an \u003cstrong\u003eMCA of 20 A\u003c\/strong\u003e and a maximum protection rating \u003cstrong\u003eMOCP of 30 A\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMCA is the minimum circuit ampacity to consider when supplying power to the equipment. MOP\/MOCP, meanwhile, determines the maximum permitted overcurrent protection according to the manufacturer’s data.\u003c\/p\u003e\n\u003cp\u003eDuring an AirGreen installation, we therefore do not limit ourselves to asking whether the customer “has 220 V.” The circuit type, its rating, its breaker, and the nameplate specifications of the actual unit delivered must match.\u003c\/p\u003e\n\u003cp\u003eThis verification becomes particularly important in some older homes in \u003cstrong\u003eMontréal\u003c\/strong\u003e or \u003cstrong\u003eLaval\u003c\/strong\u003e, where several electrical additions may have been made over the years.\u003c\/p\u003e\n\u003ch3\u003eAutomatic Louvers and Airflow Control\u003c\/h3\u003e\n\u003cp\u003eYORK’s X Series documentation indicates several functions related to air distribution, including automatic vertical and horizontal movement, according to the range’s function chart. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOur AirGreen product sheet therefore correctly states:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVertical louver: automatic\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eHorizontal louver: automatic\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor a unit capable of exceeding 700 CFM, this feature is especially useful.\u003c\/p\u003e\n\u003cp\u003eHorizontal movement can help distribute air throughout an open area rather than concentrating the entire airflow in one direction. Vertical movement makes it easier to adjust air distribution depending on whether the system is being used for cooling or heating.\u003c\/p\u003e\n\u003cp\u003eHowever, adjusting the louvers cannot correct poor placement. If a heat pump is installed in a hallway with the expectation that it will heat three bedrooms evenly while their doors remain closed, the problem is not the remote-control setting: it is the project design.\u003c\/p\u003e\n\u003ch3\u003eOptional Wi-Fi with the CS532AH adapter\u003c\/h3\u003e\n\u003cp\u003eThe X Series can be controlled through the \u003cstrong\u003eEWPE Smart App\u003c\/strong\u003e, but connectivity requires the \u003cstrong\u003eCS532AH adapter\u003c\/strong\u003e for the P and X Series. YORK also specifies that the \u003cstrong\u003eDRCPX\u003c\/strong\u003e wireless remote control comes standard with the X Series. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe like to clarify this distinction before installation because “Wi-Fi compatible” and “built-in Wi-Fi” do not mean the same thing.\u003c\/p\u003e\n\u003cp\u003eA homeowner who wants to schedule or control their unit remotely must plan for the necessary module rather than assume that the function is already installed in the wall-mounted air conditioner.\u003c\/p\u003e\n\u003ch3\u003eConstruction, Defrosting, and Practical Features of the X Series\u003c\/h3\u003e\n\u003cp\u003eYORK presents the X Series as an Inverter heat pump equipped with a \u003cstrong\u003erugged steel chassis\u003c\/strong\u003e, a corrosion-resistant coating, and quiet operation. The manufacturer also mentions a demand-initiated defrost strategy to limit unnecessary energy consumption associated with defrosting. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDefrosting is particularly relevant in Québec.\u003c\/p\u003e\n\u003cp\u003eWhen the outdoor unit operates in heating mode, the outdoor coil may accumulate frost. The system must periodically reverse its cycle to clear the coil. The frequency depends on outdoor conditions, particularly temperature and humidity.\u003c\/p\u003e\n\u003cp\u003eA heat pump that defrosts in winter does not necessarily indicate a problem. However, excessive ice accumulation that does not disappear, abnormally frequent cycles, or a unit with obstructed winter drainage warrant an inspection.\u003c\/p\u003e\n\u003ch2\u003eWhat we verify at AirGreen before recommending this 24K YORK in Montréal, Laval, Longueuil, the North Shore, or the South Shore\u003c\/h2\u003e\n\u003ch3\u003eA 24K capacity is not a shortcut to avoid a load calculation\u003c\/h3\u003e\n\u003cp\u003eA large heat pump does not compensate for poor selection.\u003c\/p\u003e\n\u003cp\u003eFor example, we encounter open-plan ground floors where a capacity in this category makes perfect sense: large area, numerous windows, an open kitchen, and strong solar exposure. In other properties, the same unit would be oversized despite a similar area because the building’s insulation and orientation are different.\u003c\/p\u003e\n\u003cp\u003eWe therefore analyze the room as a whole: building envelope, windows, orientation, floors, air volume, communication between zones, and the system’s actual use.\u003c\/p\u003e\n\u003cp\u003eThis is particularly relevant for a model whose range goes down to approximately \u003cstrong\u003e6,824 BTU\/h\u003c\/strong\u003e. This modulation provides flexibility, but it does not make oversizing inconsequential.\u003c\/p\u003e\n\u003ch3\u003eAn important nuance regarding ENERGY STAR\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specification sheet currently provided classifies this model as \u003cstrong\u003eENERGY STAR: No\u003c\/strong\u003e and \u003cstrong\u003eENERGY STAR Cold Climate: No\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe November 2020 YORK brochure nevertheless contains a different note: it states that all models in this series presented in the table were ENERGY STAR, except the 18K DHX18 models. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis difference illustrates why we always distinguish between \u003cstrong\u003ea former manufacturer certification\u003c\/strong\u003e and \u003cstrong\u003ea device’s current eligibility for a Québec program\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor a grant application in 2026, we recommend checking the exact combination against the current lists and criteria rather than relying on the logo appearing in a 2020 brochure.\u003c\/p\u003e\n\u003cp\u003eThe attached brochure is indeed dated \u003cstrong\u003eNovember 2020\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eSEER 23 or SEER 20: once again, the two figures do not describe the same thing\u003c\/h3\u003e\n\u003cp\u003eThe family title indicates \u003cstrong\u003e23 SEER\u003c\/strong\u003e because the X Series reaches up to 23 SEER in certain capacities. The brochure also specifies that the X Series is a range “up to 23 SEER.” \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor the \u003cstrong\u003eDHX24NWB21S + DHX24CSB21S\u003c\/strong\u003e, however, the published rating is \u003cstrong\u003e20 SEER\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor us, this is not an administrative detail. When a customer compares a YORK heat pump with another brand, the performance of the \u003cstrong\u003eexact combinations\u003c\/strong\u003e must be compared; otherwise, two products may appear identical on paper even though they are not.\u003c\/p\u003e\n\u003cp\u003eThe same caution applies to the newer \u003cstrong\u003eSEER2 and HSPF2\u003c\/strong\u003e ratings: an older brochure using SEER\/HSPF should not be arbitrarily converted into SEER2\/HSPF2 values.\u003c\/p\u003e\n\u003ch3\u003eWarranty: understanding the difference between the standard warranty and the registered extended warranty\u003c\/h3\u003e\n\u003cp\u003eOur AirGreen listing presents this model with a warranty of \u003cstrong\u003e10 years on the compressor, 10 years on parts, 0 years on labor\u003c\/strong\u003e, with the possibility of additional coverage.\u003c\/p\u003e\n\u003cp\u003eYORK documentation explains that the standard warranty for this generation was \u003cstrong\u003e7 years on the compressor and 5 years on parts\u003c\/strong\u003e, and that eligible residential registration allowed it to be extended to \u003cstrong\u003e10 years on the compressor and 10 years on parts\u003c\/strong\u003e. A 10-year labor warranty option was also available subject to additional conditions. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe therefore always recommend keeping the invoice, serial numbers, and registration confirmation after an \u003cstrong\u003eHVAC installation\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eMaintenance remains important for a large wall-mounted unit\u003c\/h3\u003e\n\u003cp\u003eA unit capable of moving \u003cstrong\u003e706 CFM\u003c\/strong\u003e depends directly on the cleanliness of its heat exchanger, filters, and blower wheel.\u003c\/p\u003e\n\u003cp\u003eOver time, dust can accumulate on the blower wheel. The owner may then gradually notice reduced airflow, a different sound level, or less even distribution throughout the room.\u003c\/p\u003e\n\u003cp\u003eThe condensate drain must also remain clear. In summer, a unit of this capacity can remove a significant amount of moisture from the air. A clogged or improperly sloped drain can cause water to leak indoors.\u003c\/p\u003e\n\u003cp\u003eProfessional \u003cstrong\u003eHVAC maintenance\u003c\/strong\u003e therefore does not consist solely of rinsing the visible filters. Depending on the system’s condition, the evaporator, blower wheel, condensate pan and drainage may require a more thorough inspection and cleaning.\u003c\/p\u003e\n\u003ch3\u003eWhy Have This YORK Installed by AirGreen\u003c\/h3\u003e\n\u003cp\u003eThe YORK Series X 24K has interesting features, but its actual performance depends directly on the installation.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, our work does not stop at mounting the evaporator on the wall. We must verify the capacity, the piping route, the diameter \u003cstrong\u003e1\/4–5\/8\u003c\/strong\u003e, the drain, the electrical supply, the condenser location, the airflow path and the customer’s expectations for winter heating.\u003c\/p\u003e\n\u003cp\u003eWe work daily in the various types of buildings found in \u003cstrong\u003eMontreal, Laval, Longueuil, on the North Shore, the South Shore and in Montérégie\u003c\/strong\u003e: single-family homes, plexes, condos, commercial premises and properties where available space can sometimes make outdoor installation more difficult.\u003c\/p\u003e\n\u003cp\u003eFor this \u003cstrong\u003eYORK Series X Mini Split\u003c\/strong\u003e, we primarily note that it is a 24K-class unit offering a published capacity of \u003cstrong\u003e22,000 BTU\/h in cooling and 23,000 BTU\/h in heating\u003c\/strong\u003e, modulation reaching 27,296 BTU\/h in cooling and 30,708 BTU\/h in heating, a 208\/230 V power supply, an MCA of 20 A, maximum protection of 30 A and 1\/4–5\/8 piping. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eContact AirGreen to confirm whether the YORK Series X 24K is truly suitable for your space\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eYORK Series X 23 SEER | 24000 BTU Mini Split\u003c\/strong\u003e can be a very interesting option for a large area when properly sized. Its inverter technology, modulation range, high airflow, automatic louvers, heating down to -20 °C and optional Wi-Fi give it appreciable versatility.\u003c\/p\u003e\n\u003cp\u003eBut the right question is never simply “Is a 24,000 BTU unit large enough?” Instead, we seek to determine \u003cstrong\u003ewhat capacity your building actually requires and how to install the unit to use that capacity properly\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eContact AirGreen for a quote or an assessment of your ductless heat pump project in Montreal, Laval, Longueuil, on the North Shore or South Shore. We can verify whether this YORK Series X matches your heating load, electrical installation and heating expectations before you finalize your choice.\u003c\/strong\u003e\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":56120414470436,"sku":"DHX24CSB21S","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_MINI_SPLIT_YORK_SERIE_X_24000_BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_e5955463-c9ca-406b-9eee-e1653f4c846d.png?v=1789426073"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/collections\/THERMOPOMPE_MURALE_YORK_SERIE_X_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD.png?v=1790023939","url":"https:\/\/airgreen.ca\/en\/collections\/thermopompe-murale-york-serie-x-montreal-laval-rive-sud.oembed","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}