{"product_id":"thermopompe-centrale-senville-r454b-4-tonnes-48000-btu","title":"SENVILLE R454B Central Heat Pump | 4 Tons - 48000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA 4-ton inverter central heat pump designed to replace a traditional system without sacrificing winter heating\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e4-ton SENVILLE SENDC-48HF central heat pump\u003c\/strong\u003e, with a nominal cooling capacity of \u003cstrong\u003e48,000 BTU\u003c\/strong\u003e, is intended for homeowners who want to preserve the even comfort of a ducted system while switching to inverter technology capable of modulating its output according to the building's actual demand.\u003c\/p\u003e\n\u003cp\u003eFor us at AirGreen, this is precisely where this type of system becomes interesting. In many homes in \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore, and the South Shore\u003c\/strong\u003e, the owner already has functional ductwork, but the old central air conditioner or fixed-speed heat pump is nearing the end of its service life. In this context, replacing the entire air distribution system would make no sense. The priority is instead to integrate new equipment capable of using the existing network efficiently.\u003c\/p\u003e\n\u003cp\u003eThe combination presented includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe \u003cstrong\u003eSENDC-48HF-OG\u003c\/strong\u003e outdoor unit;\u003c\/li\u003e\n\u003cli\u003ethe \u003cstrong\u003eSENDC-48HF-IG\u003c\/strong\u003e indoor unit;\u003c\/li\u003e\n\u003cli\u003ea nominal cooling capacity of \u003cstrong\u003e48,000 BTU\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ea \u003cstrong\u003e208\/230 V single-phase\u003c\/strong\u003e system;\u003c\/li\u003e\n\u003cli\u003ean inverter-technology compressor;\u003c\/li\u003e\n\u003cli\u003ethe \u003cstrong\u003eR-454B\u003c\/strong\u003e refrigerant;\u003c\/li\u003e\n\u003cli\u003ea heating capacity rated down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ea maximum indoor airflow of approximately \u003cstrong\u003e1,601 CFM\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ean \u003cstrong\u003eAHRI 215735329\u003c\/strong\u003e number.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn its documentation, Senville presents the SENDC-48HF as a 48,000 BTU central heat pump system designed to cool large spaces and maintain heating down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e. The manufacturer refers to an application covering approximately \u003cstrong\u003e1,800 sq. ft.\u003c\/strong\u003e, while requiring professional installation. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis area remains a general guideline. At AirGreen, we never size a \u003cstrong\u003e4-ton central heat pump\u003c\/strong\u003e based solely on square footage. A recently built 1,800-square-foot home does not have the same heat loss as a building of the same size that is several decades old.\u003c\/p\u003e\n\u003ch3\u003e4 tons: what this capacity really means\u003c\/h3\u003e\n\u003cp\u003eOne ton of air conditioning corresponds to approximately \u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e. A four-ton heat pump therefore has a cooling capacity of around \u003cstrong\u003e48,000 BTU\/h\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eHowever, the technical documentation for the SENDC-48HF goes well beyond this nominal figure. It indicates a cooling modulation range of approximately \u003cstrong\u003e15,600 to 51,000 BTU\/h\u003c\/strong\u003e. In heating mode, the manufacturer lists a nominal capacity of \u003cstrong\u003e50,000 BTU\/h\u003c\/strong\u003e, with a modulation range of approximately \u003cstrong\u003e15,500 to 57,300 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is a fundamental difference from an older central system operating essentially in on\/off mode.\u003c\/p\u003e\n\u003cp\u003eWhen the building needs only part of the available capacity, the inverter compressor can reduce its output. When the outdoor temperature rises sharply in summer or falls in winter, the system can increase its output.\u003c\/p\u003e\n\u003cp\u003eThis modulation notably makes it possible to pursue:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003emore stable indoor temperatures;\u003c\/li\u003e\n\u003cli\u003elonger, more regular operating cycles;\u003c\/li\u003e\n\u003cli\u003ebetter adaptation to the actual load;\u003c\/li\u003e\n\u003cli\u003efewer full compressor starts;\u003c\/li\u003e\n\u003cli\u003emore consistent air distribution through the ductwork.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSizing nevertheless remains essential. An inverter system does not eliminate the consequences of a significantly oversized unit.\u003c\/p\u003e\n\u003ch3\u003e1,601 CFM: an airflow consistent with a four-ton heat pump\u003c\/h3\u003e\n\u003cp\u003eAirflow is one of the most interesting specifications of this model.\u003c\/p\u003e\n\u003cp\u003eSenville indicates four indoor levels capable of reaching:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,601 CFM\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,471.5 CFM\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,283.1 CFM\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,094.8 CFM\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTo put this value into context, central systems are often designed around a figure close to \u003cstrong\u003e400 CFM per ton\u003c\/strong\u003e, although the final airflow depends on the system design, humidity, load, and manufacturer settings.\u003c\/p\u003e\n\u003cp\u003eFour tons multiplied by approximately 400 CFM gives around \u003cstrong\u003e1,600 CFM\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis means that the existing ductwork must be capable of carrying that airflow.\u003c\/p\u003e\n\u003cp\u003eThis is something we systematically check at AirGreen. Installing an excellent 48,000 BTU heat pump on ductwork that is too restrictive can cause excessive static pressure, increased noise, poor distribution, and performance below expectations.\u003c\/p\u003e\n\u003ch3\u003eThe classic trap: automatically replacing an old 4-ton unit with a new 4-ton unit\u003c\/h3\u003e\n\u003cp\u003eIn the field of \u003cstrong\u003eresidential HVAC in Montreal\u003c\/strong\u003e, we regularly encounter systems installed 15, 20, or 25 years ago.\u003c\/p\u003e\n\u003cp\u003eWhen an old unit is rated at four tons, it is tempting to order exactly the same capacity.\u003c\/p\u003e\n\u003cp\u003eIt is not always the right decision.\u003c\/p\u003e\n\u003cp\u003eSince the old system was installed, the property may have received:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003enew windows;\u003c\/li\u003e\n\u003cli\u003emore insulation;\u003c\/li\u003e\n\u003cli\u003eair-sealing improvements;\u003c\/li\u003e\n\u003cli\u003ea new roof;\u003c\/li\u003e\n\u003cli\u003ea finished basement;\u003c\/li\u003e\n\u003cli\u003emodifications to the ductwork.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe current heating load may therefore be different.\u003c\/p\u003e\n\u003cp\u003eConversely, an addition, a sunroom converted into a habitable room, or a poorly insulated floor can increase demand.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we prefer to verify the actual configuration before confirming that \u003cstrong\u003e48,000 BTU\u003c\/strong\u003e remains the appropriate capacity.\u003c\/p\u003e\n\u003ch3\u003eSEER2 of 16.5 and EER2 of 10.5\u003c\/h3\u003e\n\u003cp\u003eThe official documentation states:\u003c\/p\u003e\n\u003cdiv class=\"group TyagGW_tableContainer TyagGW_tableContainerWithTableOfContents\"\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\"\u003eData\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSENDC-48HF\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal 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 range\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e15,600 to 51,000 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\u003e50,000 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating range\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e15,500 to 57,300 BTU\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e16,5\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEER2\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e10,5\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHSPF2-4\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e9,5\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHSPF2-5\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e8,0\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal COP\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3,4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum outdoor heating temperature\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e-30 °C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum indoor airflow\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1,601 CFM\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 data come from the manufacturer’s technical table. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eA \u003cstrong\u003eSEER2 of 16.5\u003c\/strong\u003e should not be compared directly with that of a small, high-end wall-mounted heat pump, which may sometimes display ratings above 25 or 30.\u003c\/p\u003e\n\u003cp\u003eWe are referring here to a four-ton central system that must supply a duct network, move up to approximately 1,600 CFM, and heat an entire home or a large area.\u003c\/p\u003e\n\u003cp\u003eThe central system offers another major advantage: the temperature is distributed across multiple rooms through the existing ducts, rather than from a single wall-mounted head.\u003c\/p\u003e\n\u003ch3\u003eHeating at -8 °C, -15 °C, and -30 °C: the figures that really matter\u003c\/h3\u003e\n\u003cp\u003eThe statement “heating down to -30 °C” is useful, but it is not enough to evaluate a heat pump intended for Quebec.\u003c\/p\u003e\n\u003cp\u003eThe data provided with this combination indicate approximately:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e39,500 BTU\/h at -8 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e46,000 BTU\/h at -15 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eup to \u003cstrong\u003e25,900 BTU\/h at -30 °C\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe stated COP is approximately:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.6 at -8 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.9 at -15 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.33 at -30 °C\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese values clearly show why we never look only at the minimum temperature.\u003c\/p\u003e\n\u003cp\u003eAt -30 °C, the heat pump continues to produce heat, but its available capacity is significantly lower than its nominal capacity of 48,000 BTU.\u003c\/p\u003e\n\u003cp\u003eMeanwhile, the building requires more heating.\u003c\/p\u003e\n\u003cp\u003eThe question therefore becomes: \u003cstrong\u003ewhat is the home’s heat loss at that temperature?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is what determines whether an auxiliary heat source will be necessary.\u003c\/p\u003e\n\u003ch3\u003eAuxiliary heating: 10 kW, 15 kW, or 20 kW depending on the project\u003c\/h3\u003e\n\u003cp\u003eThe Senville product page shown in the brochure features auxiliary heating options of \u003cstrong\u003e10 kW, 15 kW, or 20 kW\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis possibility is particularly relevant in our climate.\u003c\/p\u003e\n\u003cp\u003eA central heat pump does not necessarily have to cover 100% of the home’s heating load during the coldest few hours of the year. A properly sized auxiliary electric element can take over or supplement the heat pump when necessary.\u003c\/p\u003e\n\u003cp\u003eHowever, the choice between 10, 15, and 20 kW should not be arbitrary.\u003c\/p\u003e\n\u003cp\u003eIt affects:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ebackup heating capacity;\u003c\/li\u003e\n\u003cli\u003ethe building’s electrical load;\u003c\/li\u003e\n\u003cli\u003erequired circuit size;\u003c\/li\u003e\n\u003cli\u003eelectrical panel capacity;\u003c\/li\u003e\n\u003cli\u003ethe system control strategy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn certain Montreal properties equipped with a limited-capacity electrical service, this check becomes decisive even before the equipment is ordered.\u003c\/p\u003e\n\u003ch2\u003eAirGreen installation: what really makes the difference with a 48,000 BTU central heat pump\u003c\/h2\u003e\n\u003ch3\u003eA central unit cannot compensate for inadequate ductwork\u003c\/h3\u003e\n\u003cp\u003eOne of the advantages of a central heat pump is also one of its main constraints: \u003cstrong\u003eit depends entirely on the ductwork\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor a replacement project, we check in particular:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe size of the return-air duct;\u003c\/li\u003e\n\u003cli\u003ethe size of the main ducts;\u003c\/li\u003e\n\u003cli\u003ebranches;\u003c\/li\u003e\n\u003cli\u003edampers;\u003c\/li\u003e\n\u003cli\u003ethe condition of the ducts;\u003c\/li\u003e\n\u003cli\u003eavailable airflow;\u003c\/li\u003e\n\u003cli\u003erestrictions;\u003c\/li\u003e\n\u003cli\u003ethe filter;\u003c\/li\u003e\n\u003cli\u003estatic pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAn indoor unit capable of moving \u003cstrong\u003e1,601 CFM\u003c\/strong\u003e will not deliver its expected performance if the existing installation cannot allow this air to circulate properly.\u003c\/p\u003e\n\u003cp\u003eAn undersized return-air duct, for example, can create grille noise and reduce the actual airflow through the evaporator.\u003c\/p\u003e\n\u003ch3\u003eAn indoor vertical unit more than 52 inches tall\u003c\/h3\u003e\n\u003cp\u003eThe documentation specifies the following for the indoor unit:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e21.02 in wide × 24.49 in deep × 52.99 in high\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIt weighs approximately \u003cstrong\u003e162.92 lb\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese dimensions must be compared with the existing mechanical space.\u003c\/p\u003e\n\u003cp\u003eIn many properties in Greater Montreal, central installations are located:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ein the basement;\u003c\/li\u003e\n\u003cli\u003ein a mechanical room;\u003c\/li\u003e\n\u003cli\u003ein a closet;\u003c\/li\u003e\n\u003cli\u003ein a relatively narrow space near the water heater.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBefore replacement, we check not only whether the unit physically fits in the space, but also whether it can be properly serviced after installation.\u003c\/p\u003e\n\u003cp\u003eAccess to the filter, service panels, drain, and internal components must be provided.\u003c\/p\u003e\n\u003ch3\u003eAn outdoor unit weighing more than 200 lb\u003c\/h3\u003e\n\u003cp\u003eThe outdoor unit measures approximately \u003cstrong\u003e38.58 × 16.34 × 38.39 in\u003c\/strong\u003e and weighs approximately \u003cstrong\u003e201.06 lb\u003c\/strong\u003e. The stated outdoor sound level is \u003cstrong\u003e65 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIt is therefore a genuine high-capacity central unit.\u003c\/p\u003e\n\u003cp\u003eIts location must take into account:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003esnow;\u003c\/li\u003e\n\u003cli\u003edefrost cycles;\u003c\/li\u003e\n\u003cli\u003edrainage;\u003c\/li\u003e\n\u003cli\u003erequired clearances;\u003c\/li\u003e\n\u003cli\u003ethe surroundings;\u003c\/li\u003e\n\u003cli\u003eaccess for maintenance;\u003c\/li\u003e\n\u003cli\u003ethe strength of the support or base;\u003c\/li\u003e\n\u003cli\u003ethe manufacturer's clearances.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOn the \u003cstrong\u003eNorth Shore and South Shore\u003c\/strong\u003e, snow accumulation can make poor placement particularly problematic in winter.\u003c\/p\u003e\n\u003ch3\u003e3\/8 in – 3\/4 in piping\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen specifications indicate refrigerant connections of \u003cstrong\u003e3\/8 in – 3\/4 in\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAt this capacity, the gas line diameter is important and directly affects the installation work.\u003c\/p\u003e\n\u003cp\u003eWhen replacing an old central system, we therefore always check whether the existing refrigerant lines can be reused in accordance with the applicable requirements or whether they must be replaced.\u003c\/p\u003e\n\u003cp\u003eThe fact that an old heat pump is also advertised as “four tons” does not automatically guarantee piping compatibility.\u003c\/p\u003e\n\u003ch3\u003eR-454B: a new generation of refrigerant\u003c\/h3\u003e\n\u003cp\u003eThe manufacturer's documentation indicates a charge of approximately \u003cstrong\u003e134.04 oz of R-454B\u003c\/strong\u003e for this system. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eR-454B is one of the A2L refrigerants used in new generations of HVAC equipment.\u003c\/p\u003e\n\u003cp\u003eFor us, this means that commissioning must follow procedures appropriate to the product:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eproper refrigerant handling;\u003c\/li\u003e\n\u003cli\u003ecompatible tools;\u003c\/li\u003e\n\u003cli\u003eleak testing;\u003c\/li\u003e\n\u003cli\u003evacuum evacuation;\u003c\/li\u003e\n\u003cli\u003econnection inspection;\u003c\/li\u003e\n\u003cli\u003eload verification based on the installation;\u003c\/li\u003e\n\u003cli\u003evalidation of operating temperatures and pressures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA central system of this capacity should never be treated as a simple mechanical replacement where the lines are quickly connected and the job is considered done.\u003c\/p\u003e\n\u003ch3\u003eMCA of 38 A and maximum protection of 40 A\u003c\/h3\u003e\n\u003cp\u003eThe SENDC-48HF requires a \u003cstrong\u003e208\/230 V, single-phase, 60 Hz\u003c\/strong\u003e power supply.\u003c\/p\u003e\n\u003cp\u003eThe technical data indicates:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eMCA: 38 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003emaximum protection: 40 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThese values concern the main equipment and must be incorporated into the project's complete electrical analysis.\u003c\/p\u003e\n\u003cp\u003eWhen auxiliary heating is added, its electrical demand must also be taken into account.\u003c\/p\u003e\n\u003cp\u003eThis is particularly important in a fully electric home with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ewater heater;\u003c\/li\u003e\n\u003cli\u003estove;\u003c\/li\u003e\n\u003cli\u003edryer;\u003c\/li\u003e\n\u003cli\u003echarging station;\u003c\/li\u003e\n\u003cli\u003eauxiliary heating;\u003c\/li\u003e\n\u003cli\u003eother major loads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDehumidification: approximately 3.85 L\/h\u003c\/h3\u003e\n\u003cp\u003eThe documentation indicates a moisture removal capacity of \u003cstrong\u003e3.85 L\/h\u003c\/strong\u003e, or approximately \u003cstrong\u003e8.14 pints per hour\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn a central home, this point is particularly relevant during the hot and humid periods of July and August.\u003c\/p\u003e\n\u003cp\u003eA properly sized system must run long enough to remove moisture from the air.\u003c\/p\u003e\n\u003cp\u003eThis is another reason why oversized equipment is undesirable: if it cools too quickly and then stops frequently, humidity control may be less effective.\u003c\/p\u003e\n\u003ch3\u003eWall-mounted thermostat and optional WiFi\u003c\/h3\u003e\n\u003cp\u003eThe documentation specifies that the system uses a \u003cstrong\u003ewall-mounted thermostat\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen specification, for its part, indicates that \u003cstrong\u003eWiFi is available as an option\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor a central installation, the thermostat becomes an important part of daily operation. It should be installed in a location representative of the home's overall temperature, away from a direct heat source, an exterior door, or a draft.\u003c\/p\u003e\n\u003ch3\u003eENERGY STAR: a detail that must be confirmed for the exact combination\u003c\/h3\u003e\n\u003cp\u003eThe information provided reveals a particular inconsistency here.\u003c\/p\u003e\n\u003cp\u003eThe AirGreen sheet indicates \u003cstrong\u003eEnergy Star: No\u003c\/strong\u003e, while also displaying an Energy Star number, \u003cstrong\u003e3649598\u003c\/strong\u003e, and the designation “Cold Climate: Yes.”\u003c\/p\u003e\n\u003cp\u003eMeanwhile, page 2 of the brochure visually displays an \u003cstrong\u003eENERGY STAR Certified\u003c\/strong\u003e badge in the product overview section, while the brochure's “Documentation and Certifications” section mainly cites the AHRI certification and the EnergyGuide label. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTo avoid any confusion, we recommend confirming the certification applicable to the exact combination \u003cstrong\u003eSENDC-48HF-OG + SENDC-48HF-IG, AHRI 215735329\u003c\/strong\u003e at the time of quotation.\u003c\/p\u003e\n\u003cp\u003eFor rebates, it is always the specific combination and its official eligibility that must be verified.\u003c\/p\u003e\n\u003ch3\u003eDisplayed rebate of $4,740\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet provided for this heat pump indicates a \u003cstrong\u003e$4,740 provincial rebate\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAn amount of this significance can completely transform the net cost of a central-system project.\u003c\/p\u003e\n\u003cp\u003eHowever, we never recommend making a purchase decision based solely on an amount shown. Financial assistance programs may change, and eligibility must be confirmed with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe indoor and outdoor models;\u003c\/li\u003e\n\u003cli\u003ethe AHRI number;\u003c\/li\u003e\n\u003cli\u003ethe property;\u003c\/li\u003e\n\u003cli\u003ethe rules in effect at the time of installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty: a difference to clarify before purchase\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet provided with the product indicates a warranty of:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10 years compressor – 10 years parts – 0 years labor.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Senville brochure currently attached instead indicates:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10 years on the compressor and 5 years on the parts.\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe technical table repeats the same \u003cstrong\u003e10-year compressor \/ 5-year parts\u003c\/strong\u003e coverage. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe applicable warranty terms for the system sold by AirGreen must therefore be confirmed. Extended coverage may depend on the distributor, the warranty program, appliance registration, or other commercial conditions.\u003c\/p\u003e\n\u003cp\u003eLabor also remains separate coverage from the manufacturer's parts warranty.\u003c\/p\u003e\n\u003ch3\u003eA typical scenario: replacing an old central heat pump without redoing the entire house\u003c\/h3\u003e\n\u003cp\u003eA common scenario in our central-system projects is a house that already has a duct network in good condition, but whose outdoor condenser and indoor equipment are aging.\u003c\/p\u003e\n\u003cp\u003eThe owner does not want to install multiple wall-mounted heads in the different rooms. They prefer to continue using:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe same grilles;\u003c\/li\u003e\n\u003cli\u003ethe same ducts;\u003c\/li\u003e\n\u003cli\u003ethe same central thermostat principle;\u003c\/li\u003e\n\u003cli\u003ea single outdoor unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn this configuration, an inverter heat pump such as the \u003cstrong\u003eSENVILLE SENDC-48HF\u003c\/strong\u003e can be very appealing.\u003c\/p\u003e\n\u003cp\u003eBut before confirming the replacement, we must always check the airflow, system capacity, available electrical power, and the building’s heat loss.\u003c\/p\u003e\n\u003cp\u003eWe have seen enough central systems to know that a successful installation rarely depends on a single number printed on the box.\u003c\/p\u003e\n\u003ch3\u003eWhy choose AirGreen for a 4-ton SENVILLE central heat pump\u003c\/h3\u003e\n\u003cp\u003eA central installation requires more coordination than a simple wall-mounted unit.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we examine the project as a whole:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ecapacity sizing;\u003c\/li\u003e\n\u003cli\u003eductwork condition;\u003c\/li\u003e\n\u003cli\u003eairflow;\u003c\/li\u003e\n\u003cli\u003estatic pressure;\u003c\/li\u003e\n\u003cli\u003eair return;\u003c\/li\u003e\n\u003cli\u003eplenum connection;\u003c\/li\u003e\n\u003cli\u003eelectrical supply;\u003c\/li\u003e\n\u003cli\u003eauxiliary heating sizing;\u003c\/li\u003e\n\u003cli\u003erefrigerant piping;\u003c\/li\u003e\n\u003cli\u003edrainage;\u003c\/li\u003e\n\u003cli\u003econdenser location;\u003c\/li\u003e\n\u003cli\u003ethermostat;\u003c\/li\u003e\n\u003cli\u003ecommissioning;\u003c\/li\u003e\n\u003cli\u003ewinter performance;\u003c\/li\u003e\n\u003cli\u003eeligibility for rebates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor a property in \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore, the South Shore, or Montérégie\u003c\/strong\u003e, this approach helps avoid a costly mistake: installing technically high-performing equipment on infrastructure that is not suitable.\u003c\/p\u003e\n\u003ch3\u003eOur assessment of the SENVILLE SENDC-48HF\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE 4-ton central system – 48,000 BTU\u003c\/strong\u003e offers an interesting technical combination for a replacement or modernization project:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e48,000 BTU of nominal cooling capacity\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eup to \u003cstrong\u003e50,000 BTU of nominal heating capacity\u003c\/strong\u003e according to the brochure;\u003c\/li\u003e\n\u003cli\u003eoperation advertised down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003ecapacity of \u003cstrong\u003e46,000 BTU\/h at -15 °C\u003c\/strong\u003e according to the data provided;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSEER2 of 16.5\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHSPF2 of 9.5\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003einverter technology;\u003c\/li\u003e\n\u003cli\u003eup to \u003cstrong\u003e1,601 CFM\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003erefrigerant \u003cstrong\u003eR-454B\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eauxiliary heating available;\u003c\/li\u003e\n\u003cli\u003epiping \u003cstrong\u003e3\/8 in. – 3\/4 in.\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eWi-Fi available as an option.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts value is particularly clear when a home already has a well-designed ductwork system and the owner wants to maintain consistent whole-home comfort while replacing an older installation.\u003c\/p\u003e\n\u003cp\u003eThe correct capacity must nevertheless be confirmed before the work begins. A four-ton heat pump is not automatically the right solution just because the old unit was also four tons.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor a quote, an inspection of your ductwork, or the replacement of your existing central system, contact AirGreen. We install and service central heat pumps in Montreal, Laval, Longueuil, on the North Shore and South Shore, with a complete assessment of the heating, air conditioning, electrical, and air distribution systems before installation.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56119967547684,"sku":"SENDC-48HF-OG","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/01_THERMOPOMPE_CENTRALE_SENVILLE_R454B_4_TONNES_48000BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD.png?v=1789056269","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-centrale-senville-r454b-4-tonnes-48000-btu","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}