{"product_id":"thermopompe-centrale-senville-r32-top-discharge-3-tonnes-36000-btu","title":"SENVILLE R32 Top Discharge Central Heat Pump | 3 Tons - 36000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA 3-ton Top Discharge central unit: a configuration that deserves to be evaluated as a complete system\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE SENTC-36TD\u003c\/strong\u003e is a \u003cstrong\u003e3-ton\u003c\/strong\u003e central heat pump designed for properties equipped with a ductwork system. Its outdoor unit features a \u003cstrong\u003eTop Discharge\u003c\/strong\u003e configuration, with air discharged from the top rather than the sides. Senville documentation specifically identifies this product as a 3-ton central heat pump with top discharge, under the reference \u003cstrong\u003eSENTC-36TD\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor an installation in \u003cstrong\u003eMontreal, Laval, Longueuil, on the North Shore or the South Shore\u003c\/strong\u003e, this outdoor configuration deserves particular attention. The Top Discharge format can facilitate certain layouts when side clearance is limited, but the final quality of a project depends much more on sizing, airflow, piping, the ductwork system, and the supplemental-heating strategy than on the shape of the outdoor unit.\u003c\/p\u003e\n\u003cp\u003eThe configuration presented by AirGreen includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eoutdoor unit: SENTC-36TD-OG\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eindoor unit: SENTC-36TD-IG\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003enominal capacity: 36,000 BTU\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAHRI: 218338224\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR-32 refrigerant\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003emaximum indoor airflow: 1,110 CFM\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e220 V power supply\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003erefrigerant piping: 3\/8 in – 3\/4 in\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Wi-Fi\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eheating operation indicated down to \u003cstrong\u003e-20 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eENERGY STAR: no\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCold-climate classification: no\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis last point is important. A heat pump capable of operating at \u003cstrong\u003e-20 °C\u003c\/strong\u003e is not automatically a heat pump certified as a “cold-climate” model. For a Quebec homeowner, it is therefore necessary to distinguish the minimum operating temperature from the energy certification and, above all, from the actual heating capacity available when temperatures drop.\u003c\/p\u003e\n\u003ch3\u003eEfficiency data to be read carefully: SEER, SEER2, HSPF, and HSPF2\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen technical sheet provided for this model indicates:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSEER: 19.3\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER: 11.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF: 8.1\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe attached Senville documentation, for its part, presents slightly different values for the SENTC-36TD:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSEER2: 18.6\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER2: 11.7\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2 Region 4: 9.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating COP: 3.20 W\/W\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is important not to automatically mix up SEER and SEER2 ratings, or HSPF and HSPF2. Testing methods have evolved, and the figures are not necessarily directly interchangeable.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, when we prepare a quote or verify equipment eligibility for a specific project, we rely on the \u003cstrong\u003eexact matching of the units and their AHRI number\u003c\/strong\u003e, here \u003cstrong\u003e218338224\u003c\/strong\u003e, rather than on an isolated figure from a commercial page.\u003c\/p\u003e\n\u003cp\u003eThis method avoids a common mistake: comparing two heat pumps simply because one displays a higher number, when the rating standards, unit combinations, or test conditions are not identical.\u003c\/p\u003e\n\u003ch3\u003e36,000 BTU does not mean that the compressor always operates at 36,000 BTU\u003c\/h3\u003e\n\u003cp\u003eThe technical documentation indicates a \u003cstrong\u003enominal heating capacity of 36,000 BTU\/h\u003c\/strong\u003e, with a modulating range from \u003cstrong\u003e11,000 to 39,000 BTU\/h\u003c\/strong\u003e. In cooling mode, it indicates a nominal capacity of 34,000 BTU\/h and a range of \u003cstrong\u003e13,000 to 38,000 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe compressor is identified as a \u003cstrong\u003eTwin-Rotary DC Inverter\u003c\/strong\u003e, model KTM240D57UMT from GMCC. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis modulation is important in a home.\u003c\/p\u003e\n\u003cp\u003eA conventional heat pump with more pronounced on-off operation can quickly reach its setpoint, shut down, and then restart when the temperature deviates sufficiently. With inverter technology, the system can adjust its output more closely to the building's thermal load.\u003c\/p\u003e\n\u003cp\u003eFor the homeowner, this can help provide:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003emore consistent temperatures;\u003c\/li\u003e\n\u003cli\u003elonger operating periods at reduced capacity;\u003c\/li\u003e\n\u003cli\u003ebetter comfort management between cycles;\u003c\/li\u003e\n\u003cli\u003efewer sudden temperature fluctuations;\u003c\/li\u003e\n\u003cli\u003ebetter suited to days when the house needs only a fraction of the maximum capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHowever, the actual benefit depends on the \u003cstrong\u003esizing of the central heat pump\u003c\/strong\u003e. A 3-ton system installed in a house that only requires two tons does not automatically become a better solution simply because it has an inverter compressor.\u003c\/p\u003e\n\u003ch3\u003eWinter performance must be analyzed before removing an old furnace or reducing supplemental heating.\u003c\/h3\u003e\n\u003cp\u003eThis is probably the most important point for a homeowner in Greater Montreal.\u003c\/p\u003e\n\u003cp\u003eIn the AirGreen information provided for this configuration, we have:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e21,000 BTU\/h at -8 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e22,000 BTU\/h at -15 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eoperating range down to \u003cstrong\u003e-20 °C\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHowever, the attached brochure presents another set of values. It indicates a heating capacity of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e36,000 BTU\/h at 47 °F\u003c\/strong\u003e, or approximately 8.3 °C;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e17,500 BTU\/h at 17 °F\u003c\/strong\u003e, or approximately -8.3 °C;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e27,000 BTU\/h at 5 °F\u003c\/strong\u003e, or approximately -15 °C;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25,000 BTU\/h at -4 °F\u003c\/strong\u003e, or approximately -20 °C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt also gives a heating operating range down to \u003cstrong\u003e-4 °F\u003c\/strong\u003e, or approximately \u003cstrong\u003e-20 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese values therefore do not correspond perfectly to the figures already shown on the AirGreen product page.\u003c\/p\u003e\n\u003cp\u003eRather than conceal this difference, we consider it a precise illustration of why a professional should never size a central system based on a single line found in commercial documentation. Before installation, we verify the exact equipment combination, the applicable technical documentation, and the AHRI data used for the project.\u003c\/p\u003e\n\u003cp\u003eA difference of several thousand BTUs at -8 °C or -15 °C can change the calculation of the auxiliary heating required during the winter.\u003c\/p\u003e\n\u003ch3\u003eThis model is not classified as “cold climate”\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen data clearly indicate:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOLD CLIMATE: No\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eand:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eENERGY STAR: No\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is therefore important not to present this SENTC-36TD as the direct equivalent of a cold-climate-certified central heat pump simply because it operates down to -20 °C.\u003c\/p\u003e\n\u003cp\u003eA unit may continue operating at a low outdoor temperature while providing capacity that is significantly lower than its rated capacity.\u003c\/p\u003e\n\u003cp\u003eIn a Quebec home, the right question is therefore not simply: “Down to what temperature does it operate?”\u003c\/p\u003e\n\u003cp\u003eWe focus mainly on:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003elow-temperature capacity;\u003c\/li\u003e\n\u003cli\u003ethe home's heat loss;\u003c\/li\u003e\n\u003cli\u003ebackup-heating capacity;\u003c\/li\u003e\n\u003cli\u003econtrol logic;\u003c\/li\u003e\n\u003cli\u003eoperating cost;\u003c\/li\u003e\n\u003cli\u003eavailable electrical capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis combination determines whether the home will remain comfortable during a cold spell in \u003cstrong\u003eMontréal, Laval, or Longueuil\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003e1,110 CFM: airflow suitable for a 3-ton central system, provided the ductwork can carry it\u003c\/h3\u003e\n\u003cp\u003eThe SENTC-36TD-IG indoor unit provides:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1,110 CFM at high speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e520 CFM at low speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe documentation also indicates an indoor sound level of \u003cstrong\u003e50 dB(A) at high speed\u003c\/strong\u003e and \u003cstrong\u003e38 dB(A) at low speed\u003c\/strong\u003e. For the outdoor unit, the maximum airflow is \u003cstrong\u003e2,800 CFM\u003c\/strong\u003e, with a stated sound level of \u003cstrong\u003e58 dB(A)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1,110 CFM figure deserves particular attention during a replacement.\u003c\/p\u003e\n\u003cp\u003eIn several central-system installations we assess at AirGreen, the issue is not necessarily the capacity of the new heat pump. The existing ductwork may be the actual limiting factor.\u003c\/p\u003e\n\u003cp\u003eA unit designed to move approximately 1,100 CFM will not perform at its best if the house has:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ean undersized return-air system;\u003c\/li\u003e\n\u003cli\u003ea filter that is too restrictive;\u003c\/li\u003e\n\u003cli\u003ecrushed flexible ducts;\u003c\/li\u003e\n\u003cli\u003eseveral closed registers;\u003c\/li\u003e\n\u003cli\u003ea system designed for a much smaller capacity;\u003c\/li\u003e\n\u003cli\u003ea major restriction at the coil or plenum.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDuct noise is not always heat pump noise\u003c\/h3\u003e\n\u003cp\u003eA homeowner can choose a relatively quiet indoor unit and still hear significant airflow from certain grilles.\u003c\/p\u003e\n\u003cp\u003eThe reason is often related to the \u003cstrong\u003eair velocity in the ducts\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSuppose an old system moved significantly less air and a new 3-ton central unit now has to deliver up to 1,110 CFM. If the ducts are not the necessary size, air velocity increases. Noise may then occur at the supply or return grilles.\u003c\/p\u003e\n\u003cp\u003eWe therefore check the distribution system before concluding that a \u003cstrong\u003e36,000 BTU\u003c\/strong\u003e unit is automatically compatible with a home simply because the old unit was advertised as a three-ton system.\u003c\/p\u003e\n\u003ch3\u003eThe Top Discharge format really changes how the outdoor location is selected\u003c\/h3\u003e\n\u003cp\u003eThe SENTC-36TD-OG outdoor unit measures approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e29.14 in × 29.14 in × 25 in\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eand its listed net weight is \u003cstrong\u003e143 lb\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe indoor unit measures approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e21.03 in × 21.03 in × 49.22 in\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ewith a net weight of \u003cstrong\u003e137 lb\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe nearly square shape of the outdoor unit is very different from that of a conventional wall-mounted heat pump with a side-discharge fan.\u003c\/p\u003e\n\u003cp\u003eThe fan expels air through the top. This can be an advantage in some spaces where you want to avoid directing a strong airflow horizontally toward a patio, fence, or walkway.\u003c\/p\u003e\n\u003cp\u003eSenville also indicates that this top-discharge design is particularly well suited to installations where available space is more limited. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBut “more compact” does not mean that the unit can be enclosed.\u003c\/p\u003e\n\u003cp\u003eThe top fan must remain unobstructed. Outside a Quebec home, we must also account for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003esnow accumulation;\u003c\/li\u003e\n\u003cli\u003erequired clearances;\u003c\/li\u003e\n\u003cli\u003ewater produced during defrosting;\u003c\/li\u003e\n\u003cli\u003ethe location of downspouts;\u003c\/li\u003e\n\u003cli\u003ethe proximity of walls;\u003c\/li\u003e\n\u003cli\u003ethe access required for maintenance;\u003c\/li\u003e\n\u003cli\u003emunicipal or condominium restrictions;\u003c\/li\u003e\n\u003cli\u003ethe distance from bedrooms and windows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAn installation that is too low or in an area where snow accumulates quickly can become problematic during the winter.\u003c\/p\u003e\n\u003ch2\u003eWhat we check at AirGreen before installing a SENVILLE SENTC-36TD in Montreal, Laval, or on either shore\u003c\/h2\u003e\n\u003ch3\u003eA 3\/8 in–3\/4 in line set that must be checked before replacement\u003c\/h3\u003e\n\u003cp\u003eThe configuration requires refrigerant connections of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e3\/8 in for liquid\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e3\/4 in for gas\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSenville documentation confirms these dimensions and indicates a maximum piping length of up to \u003cstrong\u003e246 ft (75 m)\u003c\/strong\u003e, as well as a maximum elevation difference of \u003cstrong\u003e98.4 ft (30 m)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIt also indicates a factory refrigerant charge of \u003cstrong\u003e2.9 kg, or 102.3 oz of R-32\u003c\/strong\u003e, as well as a specified additional charge of \u003cstrong\u003e0.52 oz\/ft (48 g\/m)\u003c\/strong\u003e when installation conditions require it. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor us, these figures have a very concrete consequence.\u003c\/p\u003e\n\u003cp\u003eWhen replacing an old \u003cstrong\u003ecentral heat pump\u003c\/strong\u003e, we never assume that an existing line can be reused merely because it appears to be in good condition.\u003c\/p\u003e\n\u003cp\u003eWe check:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eits diameter;\u003c\/li\u003e\n\u003cli\u003eits length;\u003c\/li\u003e\n\u003cli\u003eits condition;\u003c\/li\u003e\n\u003cli\u003eits routing;\u003c\/li\u003e\n\u003cli\u003ethe new equipment requirements;\u003c\/li\u003e\n\u003cli\u003eits compatibility with the refrigerant and the planned installation procedure.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eAn incorrectly sized line can compromise compressor operation, capacity, and long-term reliability.\u003c\/p\u003e\n\u003ch3\u003eR-32 requires installation in accordance with the manufacturer’s requirements\u003c\/h3\u003e\n\u003cp\u003eThe SENTC-36TD uses \u003cstrong\u003eR-32\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eRefrigerant must never be treated as a secondary detail during an HVAC replacement. The refrigerant type affects handling, commissioning, charging, and servicing procedures.\u003c\/p\u003e\n\u003cp\u003eThe documentation also specifies a flared refrigerant connection and identifies an expansion system with \u003cstrong\u003eoutdoor-side EXV \/ indoor-side piston\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we place as much importance on the quality of commissioning as on the choice of the equipment itself. A properly selected heat pump can be compromised by a poor evacuation procedure, an incorrect charge, or an unbalanced duct network.\u003c\/p\u003e\n\u003ch3\u003eElectrical: MCA of 24 A and MOP of 30 A for the outdoor unit\u003c\/h3\u003e\n\u003cp\u003eFor the outdoor unit, the data indicates:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003epower supply: \u003cstrong\u003e208\/230 V, 60 Hz, single-phase\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMCA: 24 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOP: 30 A\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor the indoor unit:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMCA: 5 A\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOP: 15 A\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe documentation also specifies a compressor RLA of \u003cstrong\u003e9.45 A\u003c\/strong\u003e, an outdoor motor of \u003cstrong\u003e2.3 A \/ 200 W\u003c\/strong\u003e, and an indoor motor of \u003cstrong\u003e3.6 A \/ 375 W\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eMCA\u003c\/strong\u003e, or minimum circuit ampacity, helps determine the required electrical sizing. The \u003cstrong\u003eMOP\u003c\/strong\u003e represents the maximum allowable protection specified for the equipment.\u003c\/p\u003e\n\u003cp\u003eThese data do not automatically include the full potential load of auxiliary heating added to the system. In a property with a heavily loaded electrical panel, this assessment must be completed before finalizing the configuration.\u003c\/p\u003e\n\u003ch3\u003eA scenario we regularly encounter during a central replacement\u003c\/h3\u003e\n\u003cp\u003eLet’s consider a typical situation encountered during our assessments on the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eA home has an old 3-ton central heat pump. The owner wants to replace it with a new 3-ton unit and assumes the project will be a direct swap.\u003c\/p\u003e\n\u003cp\u003eDuring the inspection, several factors may nevertheless emerge:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe existing gas line is not 3\/4 in.;\u003c\/li\u003e\n\u003cli\u003ethe return air is too small for approximately 1,100 CFM;\u003c\/li\u003e\n\u003cli\u003ethe old indoor unit is shorter;\u003c\/li\u003e\n\u003cli\u003ethe electrical panel is already heavily loaded;\u003c\/li\u003e\n\u003cli\u003ethe outdoor unit is located beneath a downspout;\u003c\/li\u003e\n\u003cli\u003ethe overhead clearance is not suitable for a new Top Discharge unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn this context, ordering the heat pump before measuring the installation could create several problems on the job site.\u003c\/p\u003e\n\u003cp\u003eWe therefore prefer to treat the system as a whole: \u003cstrong\u003eheat pump, ductwork, electrical, piping, drainage, thermostat, and outdoor unit location\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eAn indoor unit nearly 50 inches high: a detail that can change the project\u003c\/h3\u003e\n\u003cp\u003eAt approximately \u003cstrong\u003e49.22 inches in height\u003c\/strong\u003e, the indoor unit must be compared with the available mechanical-room space.\u003c\/p\u003e\n\u003cp\u003eIn some basements in \u003cstrong\u003eMontreal or Longueuil\u003c\/strong\u003e, a few inches can make all the difference when it is necessary to maintain:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea properly constructed plenum;\u003c\/li\u003e\n\u003cli\u003eaccess to the filter;\u003c\/li\u003e\n\u003cli\u003ethe space required for the drain;\u003c\/li\u003e\n\u003cli\u003eservice clearances;\u003c\/li\u003e\n\u003cli\u003ethe transition to the existing ductwork.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstalling a central unit therefore involves more than simply checking its width.\u003c\/p\u003e\n\u003cp\u003eThe complete assembly must be considered once the unit is connected to the return and supply air.\u003c\/p\u003e\n\u003ch3\u003eWhy a 3-ton unit may be too large for some homes\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e36,000 BTU\u003c\/strong\u003e figure should never be chosen based solely on living area.\u003c\/p\u003e\n\u003cp\u003eA newer, well-insulated home may have a significantly lower heating and cooling load than an older home of comparable size.\u003c\/p\u003e\n\u003cp\u003eAmong the factors we analyze:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003einsulation;\u003c\/li\u003e\n\u003cli\u003eairtightness;\u003c\/li\u003e\n\u003cli\u003ethe number of floors;\u003c\/li\u003e\n\u003cli\u003ewindows;\u003c\/li\u003e\n\u003cli\u003esolar exposure;\u003c\/li\u003e\n\u003cli\u003eceiling height;\u003c\/li\u003e\n\u003cli\u003ethe basement;\u003c\/li\u003e\n\u003cli\u003einternal gains;\u003c\/li\u003e\n\u003cli\u003ethe ductwork;\u003c\/li\u003e\n\u003cli\u003ethe calculated heat losses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOversizing can result in cycles that are too short under certain conditions, reduce summer dehumidification, and make balancing more difficult.\u003c\/p\u003e\n\u003cp\u003eConversely, an undersized unit may require auxiliary heating too frequently.\u003c\/p\u003e\n\u003ch3\u003eIn air conditioning, modulation is also important\u003c\/h3\u003e\n\u003cp\u003eThe brochure indicates a cooling range of \u003cstrong\u003e13,000 to 38,000 BTU\/h\u003c\/strong\u003e, with a rated capacity of \u003cstrong\u003e34,000 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIt also lists a rated cooling consumption of \u003cstrong\u003e2,906 W\u003c\/strong\u003e, adjustable between \u003cstrong\u003e460 and 3,600 W\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis variable capacity allows the compressor to operate at different levels as needed.\u003c\/p\u003e\n\u003cp\u003eIn Montreal, dehumidification is an important aspect of summer comfort. A home at 23 °C can still feel uncomfortable if indoor humidity remains high. Sizing and airflow settings therefore play a role just as important as the temperature displayed on the thermostat.\u003c\/p\u003e\n\u003ch3\u003eWi-Fi as an option: useful, but secondary to the installation\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE SENTC-36TD\u003c\/strong\u003e offers \u003cstrong\u003eoptional Wi-Fi\u003c\/strong\u003e according to the AirGreen data.\u003c\/p\u003e\n\u003cp\u003eA connected control can facilitate:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eremote adjustment;\u003c\/li\u003e\n\u003cli\u003eprogramming;\u003c\/li\u003e\n\u003cli\u003emanaging a secondary residence;\u003c\/li\u003e\n\u003cli\u003eadjusting the settings while away.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHowever, we believe connectivity should remain a secondary criterion compared with sizing, airflow, and installation quality. No smart thermostat can correct an undersized return duct or a poorly selected heat pump.\u003c\/p\u003e\n\u003ch3\u003eNo ENERGY STAR certification indicated: an important consideration for subsidies\u003c\/h3\u003e\n\u003cp\u003eThe information provided for this model indicates \u003cstrong\u003eENERGY STAR: No\u003c\/strong\u003e and \u003cstrong\u003eCOLD CLIMATE: No\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eNo specific subsidy is indicated in the data provided for this configuration.\u003c\/p\u003e\n\u003cp\u003eFor a customer comparing several \u003cstrong\u003ecentral heat pumps in Laval, Montreal, Longueuil, on the North Shore or the South Shore\u003c\/strong\u003e, this factor can be decisive. A system with an attractive initial price does not necessarily represent the lowest net cost if another configuration qualifies for significant financial assistance.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we therefore prefer to compare projects based on their overall cost and performance rather than simply on the equipment price.\u003c\/p\u003e\n\u003ch3\u003eManufacturer’s Warranty and Additional Warranty\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen listing indicates a \u003cstrong\u003e10-10-0 manufacturer’s warranty\u003c\/strong\u003e for this configuration and specifies that an \u003cstrong\u003eadditional warranty is available\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAs with any central heat pump, it is important to confirm the exact applicable terms at the time of purchase:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eparts coverage;\u003c\/li\u003e\n\u003cli\u003ecompressor coverage;\u003c\/li\u003e\n\u003cli\u003eregistration required;\u003c\/li\u003e\n\u003cli\u003eexclusions;\u003c\/li\u003e\n\u003cli\u003elabor;\u003c\/li\u003e\n\u003cli\u003eduration and terms of an additional warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA product warranty and an installation labor warranty should not be confused.\u003c\/p\u003e\n\u003ch3\u003eMaintenance: what really helps a 3-ton central system maintain its performance\u003c\/h3\u003e\n\u003cp\u003eA properly installed \u003cstrong\u003eR-32 central heat pump\u003c\/strong\u003e nevertheless requires regular maintenance.\u003c\/p\u003e\n\u003cp\u003eThe most useful checks include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ereplace or clean the filter according to its type;\u003c\/li\u003e\n\u003cli\u003ekeep air returns clear;\u003c\/li\u003e\n\u003cli\u003eavoid unnecessarily blocking multiple registers;\u003c\/li\u003e\n\u003cli\u003ekeep the outdoor unit free of leaves and debris;\u003c\/li\u003e\n\u003cli\u003emonitor for excessive ice buildup;\u003c\/li\u003e\n\u003cli\u003ekeep the top of the Top Discharge unit clear;\u003c\/li\u003e\n\u003cli\u003ehave the drainage checked;\u003c\/li\u003e\n\u003cli\u003ehave the coil and operating parameters inspected when necessary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAn extremely dirty filter can reduce airflow. In a system capable of delivering \u003cstrong\u003e1,110 CFM\u003c\/strong\u003e, this restriction can have a tangible impact on comfort, noise, and system operation.\u003c\/p\u003e\n\u003ch3\u003eFor what type of project should the SENVILLE SENTC-36TD be considered?\u003c\/h3\u003e\n\u003cp\u003eThis \u003cstrong\u003e36,000 BTU SENVILLE R32 central heat pump\u003c\/strong\u003e may be suitable when:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea capacity of approximately three tons genuinely meets the building's needs;\u003c\/li\u003e\n\u003cli\u003ethe ductwork can accommodate the required airflow;\u003c\/li\u003e\n\u003cli\u003ea \u003cstrong\u003eTop Discharge\u003c\/strong\u003e configuration suits the available space;\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e3\/8 in. – 3\/4 in.\u003c\/strong\u003e piping can be installed correctly;\u003c\/li\u003e\n\u003cli\u003ea heat pump operating down to approximately \u003cstrong\u003e-20 °C\u003c\/strong\u003e suits the chosen heating strategy;\u003c\/li\u003e\n\u003cli\u003ethe property has the necessary electrical supply;\u003c\/li\u003e\n\u003cli\u003ecold-climate or ENERGY STAR certification is not a project requirement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHowever, it should be compared with other solutions if the property owner's main goal is to obtain the highest possible capacity during extreme cold or to benefit from a program requiring a specific certification.\u003c\/p\u003e\n\u003ch3\u003eWhy entrust the installation to AirGreen\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen Heating \u0026amp; Air Conditioning\u003c\/strong\u003e, we approach a central installation by evaluating everything surrounding the heat pump.\u003c\/p\u003e\n\u003cp\u003eFor the SENVILLE SENTC-36TD, we pay particular attention to its \u003cstrong\u003e1,110 CFM\u003c\/strong\u003e, its \u003cstrong\u003e3\/8 in. – 3\/4 in.\u003c\/strong\u003e piping, its \u003cstrong\u003e24 A MCA\u003c\/strong\u003e, its \u003cstrong\u003e30 A MOP\u003c\/strong\u003e, the dimensions of the indoor unit, and the clearance required around the top-mounted fan.\u003c\/p\u003e\n\u003cp\u003eThis is particularly important during a replacement.\u003c\/p\u003e\n\u003cp\u003eA central system can operate for fifteen or twenty years with defects that no one has actually corrected: improperly sized ductwork, insufficient return air, restrictive transitions, or an unsuitable outdoor location. Installing a new unit while leaving these same problems in place is not a complete improvement.\u003c\/p\u003e\n\u003cp\u003eOur goal is for the \u003cstrong\u003ecentral heat pump\u003c\/strong\u003e installed in \u003cstrong\u003eMontréal, Laval, Longueuil, on the North Shore, the South Shore, or in Montérégie\u003c\/strong\u003e to operate under the conditions for which it was selected.\u003c\/p\u003e\n\u003ch3\u003eRequest an AirGreen quote for your SENVILLE SENTC-36TD\u003c\/h3\u003e\n\u003cp\u003eAre you planning to replace an old central heat pump, or are you evaluating the \u003cstrong\u003eSENVILLE R32 Top Discharge 3 tons – 36,000 BTU\u003c\/strong\u003e for your property?\u003c\/p\u003e\n\u003cp\u003eContact \u003cstrong\u003eAirGreen\u003c\/strong\u003e for an assessment of your installation. We can check the required capacity, ductwork, existing piping, electrical supply, outdoor location, and other configurations that may better match your priorities.\u003c\/p\u003e\n\u003cp\u003eWe serve \u003cstrong\u003eMontréal, Laval, Longueuil, the North Shore, the South Shore, and the Greater Metropolitan Area\u003c\/strong\u003e for the installation, replacement, and servicing of central heating and air conditioning systems.\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56119984226596,"sku":"SENTC-36TD-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_R32_TOP_DISCHARGE_3_TONNES_36000BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD.png?v=1789056300","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-centrale-senville-r32-top-discharge-3-tonnes-36000-btu","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}