{"product_id":"thermopompe-centrale-senville-r454b-2-tonnes-24000-btu","title":"SENVILLE R454B Central Heat Pump | 2 Tons - 24000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA 24,000 BTU central heat pump designed for Quebec heating, not just air conditioning\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eWhen a homeowner is looking for a \u003cstrong\u003e2-ton central heat pump\u003c\/strong\u003e for a home in \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore, or the South Shore\u003c\/strong\u003e, the nominal capacity of 24,000 BTUs is only a starting point. What really matters is how the unit modulates its output, how much heat it can still produce when the outdoor temperature drops, its seasonal efficiency, its sound level, and its compatibility with the existing ductwork.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE SENDC-24HF\u003c\/strong\u003e is a ducted central system combining air conditioning and heat-pump heating. The Senville documentation provided for this model identifies it as a \u003cstrong\u003e24,000 BTU\u003c\/strong\u003e central system from the SENDC-24HF series. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor this configuration, the model numbers used are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit: SENDC-24HF-OG\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor unit: SENDC-24HF-IG\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAHRI: 215735326\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eENERGY STAR reference: 3649595\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant: R-454B\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated cooling capacity: 24,000 BTU\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSEER2: 18.3\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER2: 11.7\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2: 10.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAdvertised minimum heating temperature: -30 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Senville technical sheet also confirms a \u003cstrong\u003e208\/230 V, single-phase, 60 Hz\u003c\/strong\u003e power supply, an SEER2 of 18.3, and an EER2 of 11.7. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eModulating capacity matters more than a simple “24,000 BTU”\u003c\/h3\u003e\n\u003cp\u003eAn inverter heat pump does not operate constantly at maximum power. That is precisely one of its advantages.\u003c\/p\u003e\n\u003cp\u003eFor the SENDC-24HF, the published operating range is:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e7,200 to 27,000 BTU\/h in cooling mode\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e7,100 to 30,000 BTU\/h in heating mode\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese values are particularly interesting for a central residential installation. Instead of operating solely in on-off mode at full capacity, the system can adapt its output to the building’s actual needs. The brochure explicitly mentions the use of \u003cstrong\u003einverter technology\u003c\/strong\u003e, designed to adjust energy consumption and maintain a more stable indoor temperature. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis modulation becomes important during the mild days of spring and fall. A house that needs only 8,000 or 10,000 BTUs of heating at a given time has no reason to continuously receive 24,000 or 30,000 BTUs followed by a complete shutdown.\u003c\/p\u003e\n\u003cp\u003eModulating operation can help:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003emaintain a more constant temperature;\u003c\/li\u003e\n\u003cli\u003ereduce perceived variations between cycles;\u003c\/li\u003e\n\u003cli\u003eimprove comfort in different rooms;\u003c\/li\u003e\n\u003cli\u003elimit repeated starts;\u003c\/li\u003e\n\u003cli\u003emake better use of long periods of operation at reduced capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat performance really delivers when the temperature drops\u003c\/h3\u003e\n\u003cp\u003eFor the Greater Montreal climate, we always look beyond the nominal capacity.\u003c\/p\u003e\n\u003cp\u003eAccording to the data provided for this configuration, the SENDC-24HF produces approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAt -8 °C:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eheating capacity: \u003cstrong\u003e20,800 BTU\/h\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCOP: \u003cstrong\u003e2,42\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAt -15 °C:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eheating capacity: \u003cstrong\u003e21,600 BTU\/h\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAt the indicated maximum operating outdoor temperature, namely -30 °C:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ecapacity: \u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCOP: \u003cstrong\u003e1,43\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis information is essential when comparing several \u003cstrong\u003ecentral heat pumps in Montreal\u003c\/strong\u003e. Two models both bearing the “24,000 BTU” label can behave very differently at -8 °C, -15 °C, or -25 °C.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003e-30 °C\u003c\/strong\u003e, the fact that the unit can still operate does not necessarily mean that it can cover all of a home’s heat losses on its own. With a stated capacity of \u003cstrong\u003e12,000 BTU\/h\u003c\/strong\u003e at this temperature, sizing the electric backup heating and analyzing heat losses become particularly important.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, this is exactly why we do not select a central heat pump based solely on a home’s floor area.\u003c\/p\u003e\n\u003ch3\u003eCOP 2.42 at -8 °C: how to interpret this value\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003eCOP of 2.42\u003c\/strong\u003e means that under the test condition in question, the heat pump produces approximately 2.42 units of thermal energy for every unit of electrical energy used by the compressor.\u003c\/p\u003e\n\u003cp\u003eThis figure helps explain why a heat pump can be an attractive solution compared with electric resistance heating used on its own.\u003c\/p\u003e\n\u003cp\u003eHowever, COP is not fixed.\u003c\/p\u003e\n\u003cp\u003eIt varies in particular according to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eoutdoor temperature;\u003c\/li\u003e\n\u003cli\u003esetpoint temperature;\u003c\/li\u003e\n\u003cli\u003ethe building’s actual load;\u003c\/li\u003e\n\u003cli\u003ecompressor speed;\u003c\/li\u003e\n\u003cli\u003eairflow;\u003c\/li\u003e\n\u003cli\u003edefrost cycles;\u003c\/li\u003e\n\u003cli\u003efilter condition;\u003c\/li\u003e\n\u003cli\u003ecoil cleanliness;\u003c\/li\u003e\n\u003cli\u003eductwork balancing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe brochure also provides a \u003cstrong\u003enominal COP of 3.33 W\/W\u003c\/strong\u003e, which corresponds to a different test condition and therefore should not be confused with the COP of 2.42 provided at -8 °C. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eSEER2 18.3, EER2 11.7, and HSPF2 10.0\u003c\/h3\u003e\n\u003cp\u003eFor homeowners comparing several models, three ratings deserve particular attention.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSEER2 of 18.3\u003c\/strong\u003e indicates the heat pump’s seasonal cooling efficiency.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eEER2 of 11.7\u003c\/strong\u003e measures its efficiency under a defined operating condition and allows for more targeted comparisons between units.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eHSPF2 of 10.0\u003c\/strong\u003e provided in the product data reflects its seasonal heating performance according to the corresponding calculation region. Senville’s documentation also indicates \u003cstrong\u003eHSPF2-4: 10\u003c\/strong\u003e and \u003cstrong\u003eHSPF2-5: 8\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese indicators are useful, but they never replace proper sizing. A highly efficient heat pump installed on an overly restrictive duct system may deliver a much less satisfactory result than its nominal data suggests.\u003c\/p\u003e\n\u003ch3\u003eR-454B: an important element of this new generation\u003c\/h3\u003e\n\u003cp\u003eThe SENDC-24HF uses \u003cstrong\u003eR-454B refrigerant\u003c\/strong\u003e, with a specified charge of \u003cstrong\u003e74.08 oz, or 2.1 kg\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor the customer, the main point is that the installation must be carried out according to the methods and requirements specific to new equipment using this refrigerant.\u003c\/p\u003e\n\u003cp\u003eWhen replacing an old central heat pump, we therefore systematically check the existing configuration before assuming that the piping can simply be reused.\u003c\/p\u003e\n\u003cp\u003eFor this model, the supplied configuration specifies \u003cstrong\u003e3\/8 in – 3\/4 in piping\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis is a particularly important detail. During a central replacement, we regularly encounter homes where the old equipment uses different dimensions. We must not assume that existing piping is automatically suitable for the new unit simply because the old heat pump was also a “2-ton” model.\u003c\/p\u003e\n\u003ch3\u003e824 CFM: airflow must match the ductwork\u003c\/h3\u003e\n\u003cp\u003eThe SENDC-24HF-IG indoor unit delivers up to \u003cstrong\u003e824 CFM\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe documentation specifies three airflow rates:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e824 CFM at high speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e759 CFM at medium speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e695 CFM at low speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt also indicates indoor sound levels of \u003cstrong\u003e44 \/ 42 \/ 28 dB\u003c\/strong\u003e, depending on the selected speed. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe figure of 824 CFM is consistent with what we typically look for around a 2-ton central installation, but the airflow available at the unit is not the only factor.\u003c\/p\u003e\n\u003cp\u003eThe system must also be capable of carrying that air.\u003c\/p\u003e\n\u003ch3\u003eWhy we inspect the ductwork before replacing a heat pump\u003c\/h3\u003e\n\u003cp\u003eLet's consider a scenario we regularly encounter when replacing central systems in Greater Montreal.\u003c\/p\u003e\n\u003cp\u003eA home has an old 2-ton heat pump. The owner simply wants to replace the outdoor unit and indoor unit with a new central heat pump of the same capacity.\u003c\/p\u003e\n\u003cp\u003eOn paper, this seems simple.\u003c\/p\u003e\n\u003cp\u003eOn site, however, we may find:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ean undersized return-air duct;\u003c\/li\u003e\n\u003cli\u003eseveral compressed flexible ducts;\u003c\/li\u003e\n\u003cli\u003ea highly restrictive filter;\u003c\/li\u003e\n\u003cli\u003epartially closed registers;\u003c\/li\u003e\n\u003cli\u003ean old, poorly matched coil;\u003c\/li\u003e\n\u003cli\u003einsufficient airflow to the second floor;\u003c\/li\u003e\n\u003cli\u003eexcessive static pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstalling a modern heat pump without correcting these issues would amount to asking the new equipment to operate under the same poor conditions as the old one.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we prefer to identify these limitations before installation.\u003c\/p\u003e\n\u003ch3\u003eIndoor unit: dimensions to check before ordering\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit measures:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e21.02 in wide × 17.52 in deep × 45.00 in high.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIts net weight is approximately \u003cstrong\u003e46.4 lb\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese dimensions are important when the unit must be installed:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ein a basement with a low ceiling;\u003c\/li\u003e\n\u003cli\u003ein a tight mechanical space;\u003c\/li\u003e\n\u003cli\u003ein a closet;\u003c\/li\u003e\n\u003cli\u003enear a water heater;\u003c\/li\u003e\n\u003cli\u003eunder an existing duct network;\u003c\/li\u003e\n\u003cli\u003ein a location where service clearance is limited.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe must retain sufficient space for future maintenance. An installation that fits to the nearest centimeter may seem acceptable on the day of the work, but can become problematic when a technician needs to access the coil, drain, or an internal component a few years later.\u003c\/p\u003e\n\u003ch3\u003eCompact outdoor unit, but its location remains strategic\u003c\/h3\u003e\n\u003cp\u003eThe SENDC-24HF-OG measures:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e35.04 in × 13.46 in × 26.50 in\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eand weighs approximately \u003cstrong\u003e102.29 lb\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts stated outdoor sound level is \u003cstrong\u003e60 dB\u003c\/strong\u003e, with a maximum outdoor airflow of \u003cstrong\u003e3,000 CFM\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIts location must account for several typical constraints of properties in \u003cstrong\u003eMontreal, Laval, Longueuil, and Montérégie\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWe examine, among other things:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eclearance around the unit;\u003c\/li\u003e\n\u003cli\u003epossible snow accumulation;\u003c\/li\u003e\n\u003cli\u003ewater drainage during defrost cycles;\u003c\/li\u003e\n\u003cli\u003eproximity to a window;\u003c\/li\u003e\n\u003cli\u003epedestrian walkways;\u003c\/li\u003e\n\u003cli\u003ethe distance from neighbors;\u003c\/li\u003e\n\u003cli\u003ethe piping length;\u003c\/li\u003e\n\u003cli\u003eaccessibility for maintenance;\u003c\/li\u003e\n\u003cli\u003ethe stability of the base.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA heat pump capable of operating at low temperatures must also remain sufficiently clear during the winter. Installing the unit too close to the ground in an area where snow accumulates can seriously reduce its operating efficiency.\u003c\/p\u003e\n\u003ch2\u003eInstallation, sizing, and selection of a SENVILLE SENDC-24HF with AirGreen\u003c\/h2\u003e\n\u003ch3\u003e24,000 BTU is not automatically the right choice for every house\u003c\/h3\u003e\n\u003cp\u003eA rule based solely on square footage can lead to improper sizing.\u003c\/p\u003e\n\u003cp\u003eTwo 1,500-square-foot houses can have completely different needs depending on:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe year of construction;\u003c\/li\u003e\n\u003cli\u003ethe insulation level;\u003c\/li\u003e\n\u003cli\u003ethe number of windows;\u003c\/li\u003e\n\u003cli\u003eorientation;\u003c\/li\u003e\n\u003cli\u003eair infiltration;\u003c\/li\u003e\n\u003cli\u003ethe basement area;\u003c\/li\u003e\n\u003cli\u003ethe number of floors;\u003c\/li\u003e\n\u003cli\u003ethe type of ductwork;\u003c\/li\u003e\n\u003cli\u003ethe desired indoor temperature.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA very well-insulated house could be oversized with 24,000 BTU, while another property of similar size with significant heat loss could require more capacity or greater auxiliary heating.\u003c\/p\u003e\n\u003cp\u003eThis is especially true when considering capacity at very low temperatures.\u003c\/p\u003e\n\u003ch3\u003eAuxiliary heating: why planning for 5 kW or 10 kW can be worthwhile\u003c\/h3\u003e\n\u003cp\u003eThe SENDC-24HF commercial documentation presents \u003cstrong\u003e5 kW or 10 kW\u003c\/strong\u003e auxiliary heating options. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eElectric auxiliary heat can serve several functions:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003esupplement the heat pump during periods of extreme cold;\u003c\/li\u003e\n\u003cli\u003ehelp when the heating demand exceeds the available capacity;\u003c\/li\u003e\n\u003cli\u003eoperate according to the thermostat and system configuration;\u003c\/li\u003e\n\u003cli\u003eprovide support during certain operating sequences.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe choice between \u003cstrong\u003eno element, 5 kW, and 10 kW\u003c\/strong\u003e must not be made at random. In particular, the electrical panel capacity must be verified and the building’s requirements calculated.\u003c\/p\u003e\n\u003ch3\u003eOutdoor unit electrical requirements\u003c\/h3\u003e\n\u003cp\u003eFor the outdoor unit, the provided data indicate:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e208\/230 V\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1 phase\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e60 Hz\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCA: 19 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003emaximum protection: 20 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Senville data sheet confirms a minimum circuit ampacity of \u003cstrong\u003e19 A\u003c\/strong\u003e and a maximum fuse of \u003cstrong\u003e20 A\u003c\/strong\u003e for the outdoor unit. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe circuit rating, disconnect switch, wiring, and requirements related to auxiliary heating must be verified in the actual installation context.\u003c\/p\u003e\n\u003ch3\u003eA common mistake: replacing the equipment without analyzing the entire system\u003c\/h3\u003e\n\u003cp\u003eThe compressor often receives all the attention because it is the most visible and expensive component. However, many comfort problems are instead caused by air distribution.\u003c\/p\u003e\n\u003cp\u003eFor example, when a customer tells us:\u003c\/p\u003e\n\u003cp\u003e“The main floor is comfortable, but the bedrooms are always too hot in summer,”\u003c\/p\u003e\n\u003cp\u003echanging only the outdoor unit absolutely does not guarantee that the problem will disappear.\u003c\/p\u003e\n\u003cp\u003eWe must check:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ethe total airflow;\u003c\/li\u003e\n\u003cli\u003ethe static pressure;\u003c\/li\u003e\n\u003cli\u003ethe return size;\u003c\/li\u003e\n\u003cli\u003ethe airflow to the different zones;\u003c\/li\u003e\n\u003cli\u003ethe condition of the ducts;\u003c\/li\u003e\n\u003cli\u003ethe position of the registers;\u003c\/li\u003e\n\u003cli\u003ethe thermostat location.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThis approach is what allows a \u003cstrong\u003ecentral heat pump installation\u003c\/strong\u003e to deliver the expected performance in the actual home, not just on a technical data sheet.\u003c\/p\u003e\n\u003ch3\u003eAir conditioning: up to 27,000 BTU of modulating capacity\u003c\/h3\u003e\n\u003cp\u003eThe nominal capacity is 24,000 BTU, but the published range reaches \u003cstrong\u003e27,000 BTU\/h in cooling\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis does not mean that the unit should be selected as a 27,000 BTU system. The nominal capacity and certification conditions remain the primary references for sizing.\u003c\/p\u003e\n\u003cp\u003eThis modulation reserve can nevertheless be useful during certain periods of high demand.\u003c\/p\u003e\n\u003cp\u003eIn Montréal, central air conditioning must also manage humidity. An oversized unit that reaches the setpoint too quickly may run in cycles that are too short and remove less humidity than a properly sized system operating for longer periods.\u003c\/p\u003e\n\u003ch3\u003eIndoor sound level: only up to 28 dB at low speed\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit's sound level is listed as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e28 dB at low speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e42 dB at medium speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e44 dB at high speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor a central system installed near a living area, this factor may be important. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHowever, the noise produced by the appliance must be distinguished from aerodynamic noise coming from the ducts.\u003c\/p\u003e\n\u003cp\u003eA return grille that is too small or an air velocity that is too high in a duct can create a whistling sound even with a relatively quiet indoor unit.\u003c\/p\u003e\n\u003cp\u003eThat is why we consider the entire system when carrying out an HVAC installation.\u003c\/p\u003e\n\u003ch3\u003eOptional Wi-Fi\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen configuration for this model indicates \u003cstrong\u003eoptional Wi-Fi\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor many customers, this is not a primary selection criterion, but this feature can be useful for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eadjust the temperature remotely;\u003c\/li\u003e\n\u003cli\u003echange a schedule;\u003c\/li\u003e\n\u003cli\u003emonitor operation while away;\u003c\/li\u003e\n\u003cli\u003etake control of the system again before returning home.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe always verify the exact compatibility of the selected control with the proposed installation rather than assuming that an existing thermostat or module can be kept.\u003c\/p\u003e\n\u003ch3\u003eENERGY STAR and eligibility for financial assistance\u003c\/h3\u003e\n\u003cp\u003eThis heat pump is listed as \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e and \u003cstrong\u003ecold climate\u003c\/strong\u003e, with ENERGY STAR reference \u003cstrong\u003e3649595\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe AirGreen data sheet also indicates a \u003cstrong\u003eprovincial rebate of up to $2,496\u003c\/strong\u003e for this configuration.\u003c\/p\u003e\n\u003cp\u003eFinal eligibility nevertheless depends on the program in effect, the property, the installed configuration, and the applicable criteria at the time of the project. We therefore verify the relevant requirements before presenting an amount as guaranteed.\u003c\/p\u003e\n\u003cp\u003eFor a homeowner in \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore, or the South Shore\u003c\/strong\u003e, this step can significantly change the net cost of replacing a central heat pump.\u003c\/p\u003e\n\u003ch3\u003eWarranty: a point to confirm precisely when preparing the quote\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen data sheet provided for this configuration indicates a \u003cstrong\u003e10-10-0 manufacturer’s warranty\u003c\/strong\u003e, with the possibility of additional coverage.\u003c\/p\u003e\n\u003cp\u003eThe attached Senville brochure, for its part, mentions \u003cstrong\u003e10 years on the compressor and 5 years on parts\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSince these two pieces of information are not identical, the applicable coverage must be confirmed based on the product actually sold, the registration conditions, and the manufacturer's terms at the time of purchase.\u003c\/p\u003e\n\u003cp\u003eWe prefer to clarify this point before installation rather than let a customer assume that a generic statement automatically corresponds to their exact warranty.\u003c\/p\u003e\n\u003ch3\u003eWho is this 2-ton central heat pump particularly suitable for?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e24,000 BTU SENVILLE SENDC-24HF R-454B\u003c\/strong\u003e can be an interesting option for a residence equipped with central ductwork when the load calculation confirms that a capacity of approximately two tons is appropriate.\u003c\/p\u003e\n\u003cp\u003eIt stands out in particular for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eits \u003cstrong\u003e18.3 SEER2\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eits inverter operation;\u003c\/li\u003e\n\u003cli\u003eits \u003cstrong\u003e10.0 HSPF2\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eits advertised heating capacity down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eits \u003cstrong\u003eR-454B\u003c\/strong\u003e refrigerant;\u003c\/li\u003e\n\u003cli\u003eits maximum indoor airflow of \u003cstrong\u003e824 CFM\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eits modulating capacity of up to \u003cstrong\u003e30,000 BTU\/h in heating\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003eits central format, suited to homes already equipped with ductwork;\u003c\/li\u003e\n\u003cli\u003eits \u003cstrong\u003eENERGY STAR Cold Climate\u003c\/strong\u003e certification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Senville brochure also describes this model as an inverter central heat pump for year-round heating and cooling using R-454B. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy have AirGreen install the SENDC-24HF\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, our work does not simply involve connecting an outdoor unit to an indoor unit.\u003c\/p\u003e\n\u003cp\u003eBefore a \u003cstrong\u003ecentral heat pump installation in Montréal, Laval, Longueuil, the North Shore, or the South Shore\u003c\/strong\u003e, we examine the factors that determine the actual result:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003erequired capacity;\u003c\/li\u003e\n\u003cli\u003eductwork;\u003c\/li\u003e\n\u003cli\u003eairflow;\u003c\/li\u003e\n\u003cli\u003eelectrical supply;\u003c\/li\u003e\n\u003cli\u003erefrigerant piping;\u003c\/li\u003e\n\u003cli\u003edrainage;\u003c\/li\u003e\n\u003cli\u003eoutdoor unit location;\u003c\/li\u003e\n\u003cli\u003econtrol compatibility;\u003c\/li\u003e\n\u003cli\u003eauxiliary heating;\u003c\/li\u003e\n\u003cli\u003efuture accessibility for maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis analysis is particularly important when replacing an existing system. The \u003cstrong\u003e3\/8 in. – 3\/4 in.\u003c\/strong\u003e pipe sizes, the \u003cstrong\u003e824 CFM\u003c\/strong\u003e airflow, the maximum electrical protection of \u003cstrong\u003e20 A\u003c\/strong\u003e for the outdoor unit, and any need for an auxiliary heating element must all be incorporated into the project design.\u003c\/p\u003e\n\u003cp\u003eA good heat pump installed on an unsuitable infrastructure will deliver mediocre results. A properly sized and adjusted installation, on the other hand, makes it possible to take much better advantage of the features for which the equipment was designed.\u003c\/p\u003e\n\u003ch3\u003eRequest an AirGreen quote for your SENVILLE central heat pump\u003c\/h3\u003e\n\u003cp\u003eAre you considering replacing an existing central heat pump or installing a \u003cstrong\u003e24,000 BTU SENVILLE SENDC-24HF\u003c\/strong\u003e?\u003c\/p\u003e\n\u003cp\u003eContact \u003cstrong\u003eAirGreen Climatisation \u0026amp; Chauffage\u003c\/strong\u003e. We can inspect your existing installation, ductwork, heating needs, electrical supply, available financial assistance, and the configuration best suited to your property.\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 HVAC systems.\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56119967449380,"sku":"SENDC-24HF-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_2_TONNES_24000BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD.png?v=1789056253","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-centrale-senville-r454b-2-tonnes-24000-btu","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}