{"product_id":"climatiseur-gainable-york-serie-r-20-seer-48000-btu","title":"YORK R Series 20 SEER Ducted Air Conditioner | 48000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA built-in air conditioning system that leaves room for the layout\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003ePreserving the available wall space, integrating air conditioning into a renovation and distributing air through grilles selected for each room: this is what we aim for with a \u003cstrong\u003educted installation\u003c\/strong\u003e. For a project in \u003cstrong\u003eMontreal\u003c\/strong\u003e, \u003cstrong\u003eLaval\u003c\/strong\u003e or \u003cstrong\u003eLongueuil\u003c\/strong\u003e, the \u003cstrong\u003e48,000 BTU\u003c\/strong\u003e YORK R Series makes it possible to consider an indoor unit concealed above a suspended ceiling or in a suitable mechanical space. The manufacturer provides for distribution through ducts, with ceiling or wall diffusers. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis configuration pairs the outdoor unit \u003cstrong\u003eDHR48CSB21S\u003c\/strong\u003e with the indoor unit \u003cstrong\u003eDHR48NDB21S\u003c\/strong\u003e. Despite the commercial designation “ducted air conditioner,” we are presenting a \u003cstrong\u003eheat pump\u003c\/strong\u003e system that can cool and heat within the documented operating ranges. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, we consider equipment selection and ductwork design to be inseparable decisions. Our ducted installation in Îles-Laval illustrates this approach: the available space, return air, duct routes and service access were assessed together before integrating the equipment. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eThe efficiency rating to use for this pairing is 16 SEER\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThe designation “R Series 20 SEER” does not mean that this ducted version achieves 20 SEER.\u003c\/strong\u003e The catalog presents a range capable of reaching this level, but the column for the \u003cstrong\u003eDHR48NDB21S\u003c\/strong\u003e indicates \u003cstrong\u003e16 SEER\u003c\/strong\u003e, \u003cstrong\u003e9.05 EER\u003c\/strong\u003e and \u003cstrong\u003e9 HSPF\u003c\/strong\u003e. We use the values specific to the model for comparisons and quotations. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe also retain the designations used in the document: \u003cstrong\u003eSEER, EER and HSPF\u003c\/strong\u003e, without renaming them SEER2, EER2 or HSPF2. The technical page provided does not publish these latter ratings for the pairing shown. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eYORK DHR48NDB21S specifications\u003c\/h3\u003e\n\u003cp\u003eOur commercial sheet associates this system with \u003cstrong\u003eAHRI 8578481\u003c\/strong\u003e. To identify the equipment precisely, we retain this reference along with the two model numbers, rather than using only the designation “YORK 48,000 BTU.”\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003educted unit table on page 19 of the catalog - page 21 of the PDF\u003c\/strong\u003e presents the following data:\u003c\/p\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eFeature\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003ePublished value for the ducted version\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndoor unit\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDHR48NDB21S\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated cooling capacity\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e48,000 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling capacity range\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e20,400 to 49,500 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal heating capacity\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e54,500 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating capacity range\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e17,500 to 58,000 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeasonal cooling efficiency\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e16 SEER\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstantaneous cooling efficiency\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e9.05 EER\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeasonal heating efficiency\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e9 HSPF\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePublished maximum airflow\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1,475 cu. ft.\/min\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecified static pressure\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0 to 0.8 in. water column\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eThese specifications apply to the \u003cstrong\u003educted version\u003c\/strong\u003e. We do not substitute for them the maximum capacities of a ceiling cassette using the same outdoor unit: the catalog tables distinguish between the different indoor configurations. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eSize also for periods of low demand\u003c\/h3\u003e\n\u003cp\u003eThe R Series outdoor unit uses a \u003cstrong\u003evariable-speed compressor\u003c\/strong\u003e. For this ducted combination, the published lower cooling limit is \u003cstrong\u003e20,400 BTU\/h\u003c\/strong\u003e, or \u003cstrong\u003e42.5% of its nominal 48,000 BTU\/h capacity\u003c\/strong\u003e. This ratio, calculated from the YORK table, is a sizing reference; it does not represent minimum electrical consumption. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe therefore examine requirements when the building is under heavy load, as well as when occupancy decreases. A large capacity can meet significant demand without automatically being the best choice for a partially used space.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAs an example of sizing\u003c\/strong\u003e, if a study of an area established a cooling requirement of 12,000 BTU\/h during a given period, we would compare that result with the published lower limit of 20,400 BTU\/h. We would not consider variable-speed technology sufficient justification to accept the model without continuing the analysis.\u003c\/p\u003e\n\u003cp\u003eFor your project, we propose documenting the area to be served, its periods of use, and the spaces that currently experience the greatest discomfort. This description provides a more useful basis than choosing a capacity solely to have a “reserve.”\u003c\/p\u003e\n\u003ch3\u003eDistribute 1,475 cu. ft.\/min without confusing total airflow with airflow per room\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHR48NDB21S\u003c\/strong\u003e has four published airflow levels. The catalog associates them with the following sound pressure levels:\u003c\/p\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eUnit airflow\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eCorresponding indoor sound pressure\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1,475 cu. ft.\/min\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e53 dB(A)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1,357 cu. ft.\/min\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e51 dB(A)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1,210 cu. ft.\/min\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e46 dB(A)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e944 cu. ft.\/min\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e41 dB(A)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eWe read these data together: \u003cstrong\u003e41 dB(A)\u003c\/strong\u003e corresponds to the lowest airflow in the table, not operation at 1,475 cu. ft.\/min. These levels describe the unit under the manufacturer's measurement conditions; they are not a measure of noise in each room after installation. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe maximum airflow is that of the entire unit. For our distribution proposal, we allocate the requirements among the zones rather than assigning this air volume to each grille. The catalogue does not, moreover, establish a universal number of outlets for this model.\u003c\/p\u003e\n\u003cp\u003eThe range of \u003cstrong\u003e0 to 0.8 in. of water column\u003c\/strong\u003e also helps us assess the ductwork's compatibility. The brochure describes a unit with \u003cstrong\u003emedium static pressure\u003c\/strong\u003e, but does not provide a complete curve on this page that would allow us to guarantee maximum airflow and maximum pressure simultaneously. We therefore have the planned operating point validated before selecting the final ductwork. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eDistribution to several spaces, with single-zone control\u003c\/h3\u003e\n\u003cp\u003eWe can study several supply grilles without presenting the system as a multizone system. YORK classifies this combination among \u003cstrong\u003esingle-zone\u003c\/strong\u003e configurations, with one outdoor unit paired with one indoor unit. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a space comprising a main room and offices, we therefore ask whether a common temperature meets the requirements. When each room needs its own independent setpoint, we address that need separately in the design. \u003cstrong\u003eThe number of diffusers is not sufficient to establish the number of adjustable zones.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe also recommend clearly identifying the rooms served in the proposal. An expression such as “upstairs cooling” becomes much more precise when accompanied by a distribution plan and a description of the expected control.\u003c\/p\u003e\n\u003ch3\u003eHeating at −18 °C: distinguishing operation from available heat\u003c\/h3\u003e\n\u003cp\u003eThe heating operating range of the \u003cstrong\u003eDHR48CSB21S\u003c\/strong\u003e extends down to \u003cstrong\u003e−18 °C\u003c\/strong\u003e and up to \u003cstrong\u003e24 °C\u003c\/strong\u003e. In cooling mode, the catalogue indicates an outdoor range of \u003cstrong\u003e−18 to 46 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHowever, we do not present the \u003cstrong\u003e54,500 BTU\/h of nominal heating capacity\u003c\/strong\u003e as guaranteed output at −18 °C. The nominal conditions indicated below the table use, among other things, an outdoor dry-bulb temperature of \u003cstrong\u003e8 °C\u003c\/strong\u003e. The page does not provide capacity or coefficient-of-performance figures specific to −15 °C or −18 °C. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a property on the \u003cstrong\u003eNorth Shore\u003c\/strong\u003e, the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e, or in \u003cstrong\u003eMontérégie\u003c\/strong\u003e, we recommend defining this YORK's winter role before modifying the existing heating system. Our recommendation must specify what the heat pump is expected to cover and which equipment will provide backup when necessary.\u003c\/p\u003e\n\u003ch3\u003eWired control included and options to be identified\u003c\/h3\u003e\n\u003cp\u003eThe ducted model page presents the \u003cstrong\u003eDWCR wired controller as standard equipment\u003c\/strong\u003e. For more detailed scheduling needs, the catalog also describes the \u003cstrong\u003eDWCR2\u003c\/strong\u003e, intended for the R Series, with a seven-day schedule, up to eight daily events, and lockout functions. We have the selected controller specified in the quote. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOur sales sheet mentions \u003cstrong\u003eoptional Wi-Fi\u003c\/strong\u003e, but the provided brochure does not confirm a module for this pairing. It associates the EWPE Smart app with the P, X, and Z series. We therefore do not promise this app for the R Series without validation of the compatible accessory. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eFrom location selection to commissioning: prepare a complete ducted-system project\u003c\/h2\u003e\n\u003ch3\u003eReserve space for the equipment and future servicing\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit is listed as \u003cstrong\u003e53 × 29.5 × 14 in\u003c\/strong\u003e, in the order \u003cstrong\u003ewidth × depth × height\u003c\/strong\u003e, with a net weight of \u003cstrong\u003e56 kg\u003c\/strong\u003e. We use these dimensions in inches for an initial layout, then have the technical drawing confirmed before fabricating the supports and connections. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit has catalog dimensions of \u003cstrong\u003e38 × 53 × 16 in\u003c\/strong\u003e and a net weight of \u003cstrong\u003e105 kg\u003c\/strong\u003e. For this unit, we have the orientation of the dimensions confirmed on the applicable drawing rather than inferring its height and depth from an abbreviated line. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn our layout study, we also reserve access to connections and serviceable components. We propose determining the location of the access panels before closing the ceiling, along with verifying the handling route. The goal is not only to be able to install the equipment, but also to access it afterward.\u003c\/p\u003e\n\u003ch3\u003eProvide two separate power circuits\u003c\/h3\u003e\n\u003cp\u003eYORK documentation requires a \u003cstrong\u003eseparate power supply for each unit\u003c\/strong\u003e. The nominal power supply is \u003cstrong\u003e208\/230 V, single-phase, 60 Hz\u003c\/strong\u003e; the electrical specifications differ between the outdoor unit and the ducted indoor unit. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003ePublished requirement\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDHR48CSB21S outdoor\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDHR48NDB21S indoor\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Circuit Ampacity — MCA\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e45 A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e5 A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Overcurrent Protection — MOCP\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e70 A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e15 A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eWe distinguish these values from operating consumption: \u003cstrong\u003e70 A represents a published maximum protection rating here, not a stated continuous consumption\u003c\/strong\u003e. We have the qualified professional confirm the conductors, protective devices, and disconnecting means according to the nameplate of the delivered equipment.\u003c\/p\u003e\n\u003cp\u003eTo compare quotes, we recommend checking that the electrical work covers both units. An offer that provides only for the outdoor connection does not describe the entire requirement specified by the manufacturer.\u003c\/p\u003e\n\u003ch3\u003eOrganize the refrigerant routing and water drainage\u003c\/h3\u003e\n\u003cp\u003eThe YORK uses \u003cstrong\u003eR-410A\u003c\/strong\u003e, with \u003cstrong\u003e3\/8 in. liquid\u003c\/strong\u003e and \u003cstrong\u003e5\/8 in. gas\u003c\/strong\u003e refrigerant connections. For this outdoor unit, the catalog specifies a maximum total piping length of \u003cstrong\u003e70 m\u003c\/strong\u003e and a maximum elevation difference of \u003cstrong\u003e15 m\u003c\/strong\u003e. These limits help assess route feasibility; they do not represent a length automatically included in the installed price. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe ducted unit has an \u003cstrong\u003eintegrated condensate pump\u003c\/strong\u003e, and its drain connection is specified as having a \u003cstrong\u003e1 in. outside diameter\u003c\/strong\u003e. We clarify the drainage route and access to the pump before finishing work. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn addition to the catalog, the \u003cstrong\u003eYORK installation manual LIT-12012157\u003c\/strong\u003e calls for leak testing at the refrigerant connections and evacuation. We include these operations in the commissioning preparation rather than replacing them with a simple startup test. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eDesign the return air with as much attention as the supply air\u003c\/h3\u003e\n\u003cp\u003eThe installation diagram on \u003cstrong\u003epage 9 of the YORK manual\u003c\/strong\u003e shows the filter, return air, and supply duct as parts of the same circuit. We rely on this arrangement to prepare a complete system rather than a set of isolated outlets. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor your \u003cstrong\u003eHVAC installation\u003c\/strong\u003e, we propose three validation steps:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eBefore installation\u003c\/strong\u003e, confirm the rooms served, routes, access, and responsibilities for related work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBefore finishing work\u003c\/strong\u003e, inspect the connections, insulation, drainage, and maintenance access.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuring commissioning\u003c\/strong\u003e, check the controls, operation, and air distribution, then explain the settings to the owner.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eWe want these points to be included in the project planning. They make the project easier to follow and prevent the commissioning from being reduced to the fact that cold air comes out of a grille.\u003c\/p\u003e\n\u003ch3\u003eThree lessons from our projects in Montreal, Laval, and Longueuil\u003c\/h3\u003e\n\u003cp\u003eOur site reports provide concrete examples of integration and maintenance. \u003cstrong\u003eThe following interventions concern other systems, not a documented installation of the YORK DHR48CSB21S\/DHR48NDB21S pairing.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003eIn Îles-Laval: choose the orientation before connecting the ducts\u003c\/h4\u003e\n\u003cp\u003eFor our installation of a \u003cstrong\u003eGREE All Match Slim Duct R32 in Îles-Laval\u003c\/strong\u003e, we worked in a ceiling cavity containing a wooden frame, insulation, and existing connections. We studied the orientation of the enclosure to preserve the necessary clearances and service access. The result described in our report is an integrated installation that avoids multiplying visible units in the rooms. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eIn Montreal: measure before concluding that capacity is insufficient\u003c\/h4\u003e\n\u003cp\u003eDuring maintenance at a downtown \u003cstrong\u003eMontreal\u003c\/strong\u003e store, we examined airflow problems near the display windows and in certain passage areas. The readings revealed dust in secondary ducts and unbalanced airflow. Our work notably included cleaning and adjusting the balancing dampers. This case reminds us that localized discomfort calls for a network diagnosis, not just consideration of the unit's size. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eIn Longueuil: adapting an existing network during a modernization\u003c\/h4\u003e\n\u003cp\u003eIn a multi-purpose building in \u003cstrong\u003eLongueuil\u003c\/strong\u003e, we modernized a central installation with duct leaks, noise, and unbalanced airflow. The project included duct modifications and final balancing. Our report records a reduction of \u003cstrong\u003e5 dB in work areas\u003c\/strong\u003e, along with positive feedback from the managers on the project follow-up. This result belongs to this specific modernization; we do not extrapolate it to every YORK ducted installation. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eMaintaining a concealed system without waiting for comfort to decline\u003c\/h3\u003e\n\u003cp\u003eFor \u003cstrong\u003eHVAC maintenance\u003c\/strong\u003e, we suggest keeping a simple record: filter location, access to the enclosure, drainage route, control references, and commissioning observations.\u003c\/p\u003e\n\u003cp\u003eThe YORK manual specifically links repeated triggers of the \u003cstrong\u003eE2\u003c\/strong\u003e frost protection to checks of the filter and airflow. It asks that supply and return air be checked periodically. We therefore do not treat a recurring fault as a signal to clear without diagnosis. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a service call, we invite you to photograph the displayed code and note the affected components, the mode used, and when the problem occurs. If there is a water mark or unusual noise, we recommend an inspection rather than improvised dismantling of the ceiling or enclosure.\u003c\/p\u003e\n\u003ch3\u003e10-10-0 warranty: specify the coverage that actually applies\u003c\/h3\u003e\n\u003cp\u003eOur commercial product sheet displays \u003cstrong\u003e10-10-0\u003c\/strong\u003e, meaning ten years for the compressor, ten years for parts, and no years of labor included under this designation.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e2020 YORK catalog\u003c\/strong\u003e nevertheless distinguishes a standard warranty of \u003cstrong\u003eseven years on the compressor and five years on parts\u003c\/strong\u003e, followed by a residential enhancement to ten years subject to registration. It also describes additional labor coverage requiring a separate purchase. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe confirm the conditions applicable to the sale and use of the premises. For a commercial property, we do not automatically apply coverage advertised for a residential application. The quote should also specify any travel fees and the conditions of any additional warranty.\u003c\/p\u003e\n\u003ch3\u003eEstablishing the budget without confusing the equipment, ductwork, and subsidy\u003c\/h3\u003e\n\u003cp\u003eThe price of an \u003cstrong\u003einstalled 48,000 BTU YORK ducted air conditioner\u003c\/strong\u003e should describe more than the two units. We propose distinguishing the equipment and its controls, the ductwork and grilles, the connections, and then the openings and finishes. We also specify the included piping length and any special access requirements.\u003c\/p\u003e\n\u003cp\u003eOur product sheet indicates \u003cstrong\u003eENERGY STAR®: no\u003c\/strong\u003e and \u003cstrong\u003ecold-climate certification: no\u003c\/strong\u003e. According to the conditions published by Hydro-Québec, heat pumps installed as of \u003cstrong\u003eNovember 26, 2025\u003c\/strong\u003e must be ENERGY STAR® certified to qualify for the corresponding LogisVert subsidy. \u003cstrong\u003eGiven the status indicated for this YORK system, we do not include this assistance in its budget.\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis allows us to compare complete costs without making an offer artificially cheaper by deducting unconfirmed financial assistance.\u003c\/p\u003e\n\u003ch3\u003eEntrust your ducted system project assessment to AirGreen\u003c\/h3\u003e\n\u003cp\u003eWe help property owners choose equipment, with installation and after-sales service in \u003cstrong\u003eMontreal\u003c\/strong\u003e, \u003cstrong\u003eLaval\u003c\/strong\u003e, \u003cstrong\u003eLongueuil\u003c\/strong\u003e, on the \u003cstrong\u003eNorth Shore\u003c\/strong\u003e, and on the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e. We offer a \u003cstrong\u003efree on-site estimate\u003c\/strong\u003e to assess the building's constraints and prepare a customized proposal. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor this YORK system, our consultation will help clarify the required capacity, the ductwork to be created or adapted, the role of supplemental heating, and the necessary controls.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eContact AirGreen at 514-316-2973 or at \u003ca class=\"decorated-link cursor-pointer\" rel=\"noopener\"\u003esales@airgreen.ca\u003c\/a\u003e to check the availability of the 48,000 BTU YORK Series ducted system and obtain a detailed quote for your property.\u003c\/strong\u003e\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":56157191602468,"sku":"DHR48CSB21S","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_CLIMATISEUR_GAINABLE_YORK_SERIE_R_48000_BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD_3efb30a6-a274-47c0-b674-acda7a9832e9.png?v=1789500730","url":"https:\/\/airgreen.ca\/en\/products\/climatiseur-gainable-york-serie-r-20-seer-48000-btu","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}