{"product_id":"thermopompe-centrale-senville-r32-top-discharge-2-tonnes-24000-btu","title":"SENVILLE R32 Top Discharge Central Heat Pump | 2 Tons - 24000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA compact 2-ton central system that must be evaluated based on its actual performance, airflow, and winter behavior\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e2-ton SENVILLE R32 Top Discharge central heat pump\u003c\/strong\u003e, combination \u003cstrong\u003eSENTC-24TD-OG \/ SENTC-24TD-IG\u003c\/strong\u003e, is primarily intended for homeowners who want to replace or modernize a central system while retaining ducted distribution. With a rated capacity of \u003cstrong\u003e24,000 BTU\/h\u003c\/strong\u003e, an inverter compressor, indoor airflow of up to \u003cstrong\u003e830 CFM\u003c\/strong\u003e, and announced heating operation down to \u003cstrong\u003e-20°C\u003c\/strong\u003e, it offers an interesting configuration for certain homes, condominiums, and small buildings in \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore, and the South Shore\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, however, we never evaluate a central heat pump solely based on the number of tons listed on its technical sheet. With a central system, the quality of the results depends just as much on its \u003cstrong\u003eactual low-temperature capacity\u003c\/strong\u003e, the ductwork, available airflow, static pressure, return air, outdoor unit location, and electrical sizing.\u003c\/p\u003e\n\u003cp\u003eThe Senville documentation presents this system as a solution for small to medium-sized homes, with an indicative coverage area of up to approximately \u003cstrong\u003e1,200 sq. ft.\u003c\/strong\u003e. It also confirms inverter technology and a rated cooling capacity of 24,000 BTU\/h. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eThe exact combination we are analyzing\u003c\/h3\u003e\n\u003cp\u003eFor this AirGreen product page, the key references are as follows:\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\"\u003eData\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutdoor unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSENTC-24TD-OG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIndoor unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSENTC-24TD-IG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24,000 BTU\/h – 2 tons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAHRI\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e218338223\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRefrigerant\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eR-32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eENERGY STAR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCold Climate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnnounced minimum heating temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum indoor airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e830 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiping\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/8 in. liquid – 3\/4 in. gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e208\/230 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiFi\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10-year compressor, 10-year parts, 0-year labor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdditional warranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePossible\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\u003eOne detail about the efficiency ratings deserves clarification. The AirGreen product page states \u003cstrong\u003eSEER 19.7\u003c\/strong\u003e, \u003cstrong\u003eEER 12.5\u003c\/strong\u003e, and \u003cstrong\u003eHSPF 8.5\u003c\/strong\u003e, while the Senville technical brochure provided for this series lists \u003cstrong\u003eSEER2 20.0\u003c\/strong\u003e, \u003cstrong\u003eEER2 13.3\u003c\/strong\u003e, and \u003cstrong\u003eHSPF2 Region 4 of 9.4\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe avoid arbitrarily combining these figures. The SEER and SEER2 designations, or HSPF and HSPF2, correspond to different evaluation methods. For a technical comparison, a quotation, or an eligibility check for a program, we always recommend working with \u003cstrong\u003ethe exact combination of units and the corresponding AHRI reference\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003e24,000 BTU does not mean constant operation at 24,000 BTU\u003c\/h3\u003e\n\u003cp\u003eThe main advantage of an inverter system is its ability to modulate.\u003c\/p\u003e\n\u003cp\u003eThe brochure indicates a cooling range of approximately \u003cstrong\u003e6,800 to 25,000 BTU\/h\u003c\/strong\u003e. In heating mode, the published range is \u003cstrong\u003e9,000 to 28,000 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis modulation is particularly relevant during the shoulder-season days of September, October, April, or May in \u003cstrong\u003eMontreal and Greater Montreal\u003c\/strong\u003e. A properly sized heat pump can reduce its output instead of operating only in full-capacity on-off cycles.\u003c\/p\u003e\n\u003cp\u003eIn a home where the heating load is relatively low for much of the season, this can promote more stable operation that is better suited to the actual demand.\u003c\/p\u003e\n\u003cp\u003eIn cooling mode, the published rated electrical power is \u003cstrong\u003e1,805 W\u003c\/strong\u003e, with an approximate range of 750 to 2,700 W. In heating mode, the rated electrical input is listed as \u003cstrong\u003e2,150 W\u003c\/strong\u003e, with modulation of approximately 660 to 2,600 W. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese values clearly illustrate why we prefer to analyze an inverter system as a modulating unit rather than as a simple “2-ton” machine.\u003c\/p\u003e\n\u003ch3\u003eAt -15 °C, heating capacity remains an essential figure\u003c\/h3\u003e\n\u003cp\u003eFor a heat pump intended for Quebec, the rated capacity at mild temperatures is less informative than its capacity when temperatures drop.\u003c\/p\u003e\n\u003cp\u003eThe technical documentation indicates, among other things:\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\"\u003eOutdoor temperature\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003ePublished heating capacity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e8.3 °C \/ 47 °F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24,000 BTU\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-8.3 °C \/ 17 °F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13,000 BTU\/h in the brochure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-15 °C \/ 5 °F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23,000 BTU\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-20 °C \/ -4 °F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19,000 BTU\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe brochure also indicates a heating operating range down to \u003cstrong\u003e-4 °F, or approximately -20 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor its part, the AirGreen specification sheet lists \u003cstrong\u003e21,000 BTU at -15 °C\u003c\/strong\u003e and approximately \u003cstrong\u003e17,000 BTU at -8 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThese values should not be read as though they all came from the same test point. Certification conditions, operating speed, and measurement points may differ. That is precisely why, at AirGreen, we look at the \u003cstrong\u003eperformance curve and documentation for the exact combination\u003c\/strong\u003e rather than a single isolated number.\u003c\/p\u003e\n\u003ch3\u003eOperation at -20 °C does not mean “cold-climate” certification\u003c\/h3\u003e\n\u003cp\u003eThis is one of the most important distinctions of this SENVILLE.\u003c\/p\u003e\n\u003cp\u003eThe heat pump can operate in heating mode down to approximately \u003cstrong\u003e-20 °C\u003c\/strong\u003e, but the AirGreen specification sheet identifies it as:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCold Climate: no\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eENERGY STAR: no\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIts winter operating range must therefore not be interpreted as ENERGY STAR cold-climate certification.\u003c\/p\u003e\n\u003cp\u003eFor a homeowner in \u003cstrong\u003eLaval, Boucherville, Longueuil, Terrebonne, Blainville, or Montreal\u003c\/strong\u003e who selects a system based on a subsidy, this difference is important. A heat pump that still produces heat at low temperatures is not automatically eligible for the same programs as a combination officially recognized as \u003cstrong\u003eENERGY STAR cold climate\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWe therefore recommend checking whether a specific model qualifies before signing a contract, rather than including an assumed subsidy in the project budget.\u003c\/p\u003e\n\u003ch3\u003e830 CFM: very important information for the ductwork\u003c\/h3\u003e\n\u003cp\u003eThe SENVILLE indoor unit provides \u003cstrong\u003e830 CFM at high speed and 420 CFM at low speed\u003c\/strong\u003e. The airflow and sound-level table appears clearly on page 4 of the technical documentation. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a 2-ton central unit, 830 CFM corresponds to approximately \u003cstrong\u003e415 CFM per ton\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis value falls within a very common range for a residential central system and mainly shows why the ductwork must be checked before replacing an old unit.\u003c\/p\u003e\n\u003cp\u003eWe regularly encounter homes where the equipment can theoretically move 800 CFM or more, but where the existing network creates too much restriction: undersized return air, an overly restrictive filter, crushed ducts, a closed damper, or a poorly designed transition.\u003c\/p\u003e\n\u003cp\u003eUnder these conditions, installing a new heat pump without examining the ductwork can lead to air noise, insufficient airflow in certain rooms, and operation that does not reflect the performance indicated in the documentation.\u003c\/p\u003e\n\u003ch3\u003eThe 1,200 sq. ft. area is only an indication\u003c\/h3\u003e\n\u003cp\u003eSenville presents this system as being suitable for a house, condo, or apartment of up to approximately \u003cstrong\u003e1,200 sq. ft.\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we never turn this marketing indication into a sizing rule.\u003c\/p\u003e\n\u003cp\u003eTwo 1,200 sq. ft. properties can have radically different heating loads.\u003c\/p\u003e\n\u003cp\u003eA well-insulated bungalow on the \u003cstrong\u003eSouth Shore\u003c\/strong\u003e, built recently and equipped with high-performance windows, may require much less heating than a duplex of comparable size in \u003cstrong\u003eMontréal\u003c\/strong\u003e with older walls, numerous windows, and significant air infiltration.\u003c\/p\u003e\n\u003cp\u003eA central heat pump must be selected according to several factors:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ebuilding heat losses\u003c\/strong\u003e, insulation quality, and airtightness;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ewindow area and orientation\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003educt configuration and return-air dimensions;\u003c\/li\u003e\n\u003cli\u003eserved floor and ceiling height;\u003c\/li\u003e\n\u003cli\u003esummer cooling load;\u003c\/li\u003e\n\u003cli\u003eauxiliary heating capacity;\u003c\/li\u003e\n\u003cli\u003eavailable electrical capacity;\u003c\/li\u003e\n\u003cli\u003eapplicable outdoor design temperature for the area.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is the only list you really need to keep in mind before automatically converting square footage into tons of air conditioning.\u003c\/p\u003e\n\u003ch3\u003eWhy oversizing remains a mistake even with an inverter\u003c\/h3\u003e\n\u003cp\u003eThis SENVILLE’s compressor is 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\u003eThe inverter provides more flexibility than a traditional single-speed compressor, but it does not make sizing unimportant.\u003c\/p\u003e\n\u003cp\u003eA system that is too large for the actual load can still have periods when it quickly reaches the requested temperature. In summer, this can reduce the time available for dehumidification. Conversely, a system undersized relative to the heat losses may require significant auxiliary heating during cold periods.\u003c\/p\u003e\n\u003cp\u003eWe therefore seek the best balance among \u003cstrong\u003ecapacity, modulation, comfort, and use of backup heating\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eTop Discharge: why the outdoor unit’s design changes the installation\u003c\/h3\u003e\n\u003cp\u003eThe term \u003cstrong\u003eTop Discharge\u003c\/strong\u003e means that the outdoor fan primarily discharges air upward.\u003c\/p\u003e\n\u003cp\u003eThis format is familiar in the world of North American central systems and makes it possible to have a relatively compact outdoor unit at ground level.\u003c\/p\u003e\n\u003cp\u003eThe outdoor unit measures approximately \u003cstrong\u003e29.14 × 29.14 × 25 in\u003c\/strong\u003e and weighs approximately \u003cstrong\u003e143 lb net\u003c\/strong\u003e. Its maximum published outdoor airflow is \u003cstrong\u003e2,800 CFM\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAn airflow of 2,800 CFM must not be blocked by a structure placed too close above the unit.\u003c\/p\u003e\n\u003cp\u003eDuring our installations in \u003cstrong\u003eMontréal, Laval, Longueuil, the North Shore, and the South Shore\u003c\/strong\u003e, we must therefore consider an element that product photos do not always show: the actual airflow around the condenser.\u003c\/p\u003e\n\u003cp\u003eA unit wedged between three walls, beneath a very low balcony, or in a location where snow accumulates heavily does not benefit from the same conditions as a properly clear installation.\u003c\/p\u003e\n\u003ch3\u003eAn outdoor unit rated at 58 dB(A)\u003c\/h3\u003e\n\u003cp\u003eThe published outdoor sound level is \u003cstrong\u003e58 dB(A)\u003c\/strong\u003e. The indoor unit is rated at approximately \u003cstrong\u003e38 dB(A) at low speed and 42 dB(A) at high speed\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a central system, however, the noise perceived in the home depends on much more than the equipment’s sound level.\u003c\/p\u003e\n\u003cp\u003eDuct sizing, air speed, the return grille, the proximity of the furnace or fan coil to occupied rooms, and vibrations transmitted to the structure can considerably alter the actual experience.\u003c\/p\u003e\n\u003cp\u003eQuiet equipment connected to an undersized return-air duct can become noisy at the register. That is why we consider the \u003cstrong\u003edistribution network as part of the system\u003c\/strong\u003e, rather than as a secondary element.\u003c\/p\u003e\n\u003ch3\u003eA tall, narrow indoor unit\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit measures approximately \u003cstrong\u003e21.03 in × 21.03 in × 49.22 in\u003c\/strong\u003e and weighs \u003cstrong\u003e125 lb net\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis format can facilitate certain replacements in a relatively narrow mechanical room, but the available space must be measured precisely.\u003c\/p\u003e\n\u003cp\u003eIn the basements of homes in \u003cstrong\u003eMontreal or Longueuil\u003c\/strong\u003e, we often have to work around low plumbing, limited ceiling height, a nearby water heater, or ductwork built around the old unit.\u003c\/p\u003e\n\u003cp\u003eA few inches can make the difference between a clean installation and an unnecessarily complex duct transition.\u003c\/p\u003e\n\u003ch2\u003eWhat we check at AirGreen before installing this SENVILLE R-32 central system\u003c\/h2\u003e\n\u003ch3\u003eThe ductwork comes before the final equipment selection\u003c\/h3\u003e\n\u003cp\u003eWhen replacing a central system, a common mistake is to take the capacity of the old unit and automatically order the same capacity.\u003c\/p\u003e\n\u003cp\u003eWe prefer to check whether that previous capacity was actually suitable for the building.\u003c\/p\u003e\n\u003cp\u003eA representative scenario we frequently encounter is a house that has been equipped with a 2.5- or 3-ton air conditioner for fifteen or twenty years. The homeowner then assumes that a new heat pump must necessarily have the same capacity.\u003c\/p\u003e\n\u003cp\u003eAfter inspection, it sometimes turns out that the ducts were not designed to move the airflow corresponding to that capacity properly. In that case, repeating the same sizing may simply reproduce the existing problems.\u003c\/p\u003e\n\u003cp\u003eWith the \u003cstrong\u003eSENVILLE 2-ton unit and its 830 CFM\u003c\/strong\u003e, we therefore check the power supply, returns, and distribution before confirming that this capacity is suitable.\u003c\/p\u003e\n\u003ch3\u003eThe electrical data are relatively precise\u003c\/h3\u003e\n\u003cp\u003eThe brochure specifies a \u003cstrong\u003e208\/230 V, 60 Hz, single-phase\u003c\/strong\u003e power supply.\u003c\/p\u003e\n\u003cp\u003eFor the outdoor unit:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMCA: 19 A\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eMOP: 20 A\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor the indoor unit:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMCA: 5 A\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eMOP: 15 A\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese data are published in the electrical table in the Senville documentation. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe final circuit must naturally be established according to the actual installation and applicable electrical requirements. For a central replacement, we also check the auxiliary heating, since it can represent a much greater electrical load than the heat pump itself.\u003c\/p\u003e\n\u003ch3\u003eAuxiliary heating must not be overlooked\u003c\/h3\u003e\n\u003cp\u003eSince this combination is advertised for operation down to approximately \u003cstrong\u003e-20 °C\u003c\/strong\u003e, the heating strategy for temperatures below this limit must be planned.\u003c\/p\u003e\n\u003cp\u003eEven before reaching -20 °C, the home's actual heating needs may also exceed the heat pump's available instantaneous capacity.\u003c\/p\u003e\n\u003cp\u003eIn a Quebec central installation, the role of the electric element or another backup heating system must therefore be incorporated into the sizing and controls.\u003c\/p\u003e\n\u003cp\u003eThe goal is not necessarily to prevent auxiliary heating from operating completely. The goal is to avoid calling on it unnecessarily when the heat pump can still efficiently provide most of the required heat.\u003c\/p\u003e\n\u003ch3\u003eR-32 and 3\/8 in. – 3\/4 in. piping\u003c\/h3\u003e\n\u003cp\u003eSENVILLE uses \u003cstrong\u003eR-32\u003c\/strong\u003e and a refrigerant line measuring \u003cstrong\u003e3\/8 in. for liquid and 3\/4 in. for gas\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe brochure also specifies:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003emaximum piping length: 164 ft \/ 50 m\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003emaximum height difference: 82 ft \/ 25 m\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003efactory refrigerant charge: 2.9 kg \/ 102.3 oz\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003epublished additional charge: 0.52 oz per foot \/ 48 g per metre\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThese figures are particularly useful in installations where the mechanical unit is located in the basement and the outdoor unit must be positioned far from the mechanical room.\u003c\/p\u003e\n\u003cp\u003eHowever, an authorized maximum length does not mean that every 150 ft installation is automatically desirable. The more complex the route, the more important planning the piping, oil, charge, and commissioning becomes.\u003c\/p\u003e\n\u003ch3\u003eVacuuming and refrigerant charge remain critical\u003c\/h3\u003e\n\u003cp\u003eAn inverter system can adjust its capacity, but it cannot correct poor refrigeration installation.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, installing a central heat pump requires, among other things, rigorous attention to connections, leak-tightness, evacuation, and the proper refrigerant charge.\u003c\/p\u003e\n\u003cp\u003eAn incorrect charge can affect capacity, efficiency, pressures, and compressor reliability.\u003c\/p\u003e\n\u003cp\u003eWith \u003cstrong\u003eR-32\u003c\/strong\u003e, it is also necessary to use procedures and tools compatible with the refrigerant installed and comply with the requirements applicable to the product.\u003c\/p\u003e\n\u003ch3\u003eThe indoor unit’s drainage deserves as much attention as the refrigerant\u003c\/h3\u003e\n\u003cp\u003eIn air conditioning, a central coil can remove a significant amount of moisture from the air.\u003c\/p\u003e\n\u003cp\u003eThe condensate pan, drain, and slope of the line must therefore be properly arranged. In a basement installation, a drainage problem may remain unnoticed until water reaches the floor or nearby materials.\u003c\/p\u003e\n\u003cp\u003eWe verify this element during the planning stage rather than after commissioning.\u003c\/p\u003e\n\u003ch3\u003eA heat pump best suited to projects where the ductwork already exists\u003c\/h3\u003e\n\u003cp\u003eThis \u003cstrong\u003eSENVILLE 24,000 BTU central system\u003c\/strong\u003e is particularly well suited to a home that already has a functional central distribution system.\u003c\/p\u003e\n\u003cp\u003eIt can then serve as the basis for replacing an old central air conditioner or an old heat pump, provided that:\u003c\/p\u003e\n\u003cp\u003ethe ductwork is suitable, the return air can provide the required airflow, the electrical supply is sufficient, and the building load genuinely corresponds to a 2-ton central system.\u003c\/p\u003e\n\u003cp\u003eFor a home with no ductwork at all, the project becomes very different. It is then necessary to compare the cost and impact of installing a complete duct network with other HVAC solutions, such as a wall-mounted heat pump, a multi-zone system, or a ducted system designed specifically for the property.\u003c\/p\u003e\n\u003ch3\u003eThe mistakes we seek to avoid\u003c\/h3\u003e\n\u003cp\u003eFor this type of project, the choice of brand is only one part of the decision. A properly installed SENVILLE can deliver a very different result from the same model installed without checking the ductwork, load, or outdoor clearances.\u003c\/p\u003e\n\u003cp\u003eWe therefore pay particular attention to compatibility between \u003cstrong\u003ethe heat pump, the house, and the existing distribution system\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThat is also why we prefer explaining to a homeowner that a 2-ton system is not appropriate for their building rather than simply installing the requested capacity without analysis.\u003c\/p\u003e\n\u003ch3\u003e10-10-0 warranty and additional coverage\u003c\/h3\u003e\n\u003cp\u003eThe warranty indicated by AirGreen is:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10 years on the compressor\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e10 years on parts\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e0 years of manufacturer labor coverage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAn \u003cstrong\u003eadditional warranty\u003c\/strong\u003e may be available according to the terms applicable to the project.\u003c\/p\u003e\n\u003cp\u003eThis distinction is important. A part covered by the manufacturer does not automatically mean that the costs of travel, diagnosis, and replacing that part are included for ten years.\u003c\/p\u003e\n\u003cp\u003eWe clarify these elements before installation so the homeowner knows exactly what is covered.\u003c\/p\u003e\n\u003ch3\u003eOur technical opinion on this SENVILLE Top Discharge 2-ton system\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE SENTC-24TD\u003c\/strong\u003e has several features of interest for a central replacement: inverter modulation, a compact outdoor format, \u003cstrong\u003e830 CFM\u003c\/strong\u003e, heating operation down to approximately \u003cstrong\u003e-20 °C\u003c\/strong\u003e, piping that allows relatively long runs, and a published outdoor sound level of \u003cstrong\u003e58 dB(A)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts profile must nevertheless be properly understood.\u003c\/p\u003e\n\u003cp\u003eThis is not a heat pump identified as \u003cstrong\u003eCold Climate\u003c\/strong\u003e, and it is not listed as \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e in the provided specifications. It should therefore not be chosen solely because it can operate at -20 °C.\u003c\/p\u003e\n\u003cp\u003eFor a homeowner in \u003cstrong\u003eGreater Montreal\u003c\/strong\u003e, the real question is whether this 24,000 BTU combination matches the building’s heat loss, ductwork, and auxiliary heating strategy.\u003c\/p\u003e\n\u003cp\u003eThis analysis determines whether the system will actually be suitable for the home.\u003c\/p\u003e\n\u003ch3\u003eSENVILLE central heat pump installation in Montreal, Laval, Longueuil, the North Shore, and the South Shore\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen Heat Pumps, Air Conditioning \u0026amp; Heating\u003c\/strong\u003e, we can inspect the existing configuration, ductwork dimensions, mechanical space, return air, electrical capacity, and outdoor unit location on-site before confirming the selection.\u003c\/p\u003e\n\u003cp\u003eFor a \u003cstrong\u003eSENVILLE R32 Top Discharge 2-ton central heat pump\u003c\/strong\u003e, this step helps prevent the most costly post-installation problems: improper airflow, an incorrectly sized system, an improperly positioned outdoor unit, or poorly integrated auxiliary heating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eContact AirGreen for a quote, to confirm whether the 24,000 BTU SENVILLE SENTC-24TD is suitable for your property, and to schedule professional installation in Montreal, Laval, Longueuil, the North Shore, or the South Shore.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56119984193828,"sku":"SENTC-24TD-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_2_TONNES_24000BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD.png?v=1789056291","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-centrale-senville-r32-top-discharge-2-tonnes-24000-btu","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}