{"product_id":"thermopompe-gainable-senville-sena-r454b-12000-btu","title":"Ducted Heat Pump SENVILLE SENA R454B | 12000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA compact ducted heat pump for integrating heating and cooling without a visible wall-mounted unit\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eA \u003cstrong\u003e12,000 BTU ducted heat pump\u003c\/strong\u003e meets a very specific need: achieving the comfort of a traditional ductless system while concealing the indoor unit in a ceiling, soffit or mechanical space and distributing air through short duct sections and discreet grilles.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE SENA R454B 12,000 BTU\u003c\/strong\u003e, consisting of the \u003cstrong\u003eSENA-12HF-OG\u003c\/strong\u003e outdoor unit and the \u003cstrong\u003eSENA-12HF-IDG\u003c\/strong\u003e ducted indoor unit, is a particularly appealing option for certain renovations in \u003cstrong\u003eMontreal, Laval, Longueuil, the North Shore and the South Shore\u003c\/strong\u003e. It may be suitable for a bedroom suite, a floor, an office, a condo or a specific portion of a home where avoiding multiple wall-mounted units is desirable.\u003c\/p\u003e\n\u003cp\u003eSenville documentation presents this family as a \u003cstrong\u003eConcealed Duct\u003c\/strong\u003e system, that is, a mini-split heat pump with a concealed, ducted indoor unit. The 12,000 BTU product is explicitly identified as the \u003cstrong\u003eSENA\/12HF\/ID\u003c\/strong\u003e, ENERGY STAR certified and designed for heating and cooling. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor the AirGreen configuration, the main specifications are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit: SENA-12HF-OG\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor unit: SENA-12HF-IDG\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCooling capacity: 12,000 BTU\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAHRI: 215735301\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eENERGY STAR reference: 3630048\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSEER2: 20.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER2: 12.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2: 10.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant: R-454B\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCold climate: yes\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHeating down to -30 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWi-Fi: optional\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePower supply: 208\/230 V\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum airflow: approximately 401 CFM\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePiping: 1\/4 in – 3\/8 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor unit dimensions: 27.56 × 19.92 × 7.87 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit dimensions: 31.69 × 12.99 × 21.81 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAdditional warranty: available\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProvincial rebate indicated: $1,152\u003c\/strong\u003e, subject to the applicable eligibility conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDucted does not mean a traditional central system\u003c\/h3\u003e\n\u003cp\u003eThe distinction is important.\u003c\/p\u003e\n\u003cp\u003eA central heat pump generally uses a larger air handler connected to a duct network distributed throughout much of the home. A \u003cstrong\u003ecompact ducted heat pump\u003c\/strong\u003e like the SENA-12HF-IDG works more like a mini-split heat pump with a concealed indoor unit.\u003c\/p\u003e\n\u003cp\u003eIt can supply one or more grilles through a small duct network.\u003c\/p\u003e\n\u003cp\u003eThis configuration may be worthwhile when we want to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eserve two or three adjacent rooms;\u003c\/li\u003e\n\u003cli\u003ecompletely conceal the indoor unit;\u003c\/li\u003e\n\u003cli\u003ekeep the walls clear;\u003c\/li\u003e\n\u003cli\u003eintegrate air conditioning into a renovation;\u003c\/li\u003e\n\u003cli\u003econdition an entire floor without redoing the HVAC system for the whole house;\u003c\/li\u003e\n\u003cli\u003eimprove the comfort of a particular area.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA ducted system can therefore provide a more discreet finish than a wall-mounted head while remaining much more compact than a traditional central system.\u003c\/p\u003e\n\u003ch3\u003eOnly 7.87 inches high for the indoor unit\u003c\/h3\u003e\n\u003cp\u003eOne of the most interesting figures in the technical specifications is the height of the indoor unit.\u003c\/p\u003e\n\u003cp\u003eIt measures:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e27.56 in × 19.92 in × 7.87 in\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eand weighs approximately \u003cstrong\u003e39.46 lb\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eA height of less than eight inches makes it possible to consider installations that would be impossible with a traditional central air handler.\u003c\/p\u003e\n\u003cp\u003eDepending on the structure, we can, for example, integrate the unit into:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea soffit;\u003c\/li\u003e\n\u003cli\u003ea drop ceiling;\u003c\/li\u003e\n\u003cli\u003ea space above a hallway;\u003c\/li\u003e\n\u003cli\u003ean accessible portion of an attic crawl space;\u003c\/li\u003e\n\u003cli\u003ea compact mechanical space.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBut these dimensions do not mean that 7.87 inches of clearance is actually sufficient.\u003c\/p\u003e\n\u003cp\u003eThe following must also be planned for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe ducts;\u003c\/li\u003e\n\u003cli\u003ethe insulation;\u003c\/li\u003e\n\u003cli\u003ethe drain;\u003c\/li\u003e\n\u003cli\u003ethe refrigerant connections;\u003c\/li\u003e\n\u003cli\u003ethe wiring;\u003c\/li\u003e\n\u003cli\u003eservice access;\u003c\/li\u003e\n\u003cli\u003ereplacing or cleaning the filter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe therefore always check the available space before confirming that a ducted installation is feasible.\u003c\/p\u003e\n\u003ch3\u003e400 CFM: the duct network must be designed around the available airflow\u003c\/h3\u003e\n\u003cp\u003eThe brochure indicates four indoor airflow levels:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e400.2 CFM in Turbo mode\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e323.7 CFM at high speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e264.9 CFM at medium speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e176.6 CFM at low speed\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003e401 CFM\u003c\/strong\u003e figure used on the AirGreen product sheet therefore corresponds very closely to Senville’s published maximum airflow.\u003c\/p\u003e\n\u003cp\u003eThis figure is particularly important with a ducted unit.\u003c\/p\u003e\n\u003cp\u003eA wall-mounted head blows directly into a room. A ducted unit must move its air through:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea return section;\u003c\/li\u003e\n\u003cli\u003ethe filter;\u003c\/li\u003e\n\u003cli\u003ethe coil;\u003c\/li\u003e\n\u003cli\u003ethe plenum;\u003c\/li\u003e\n\u003cli\u003ethe ducts;\u003c\/li\u003e\n\u003cli\u003ethe grilles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEvery elbow, restriction, or undersized duct creates resistance.\u003c\/p\u003e\n\u003cp\u003eThis is one of the reasons we avoid turning a small ducted unit into a pseudo-central system serving an excessively long network. The product must be used in the type of configuration for which its capacity and airflow are suited.\u003c\/p\u003e\n\u003ch3\u003eAn example of a configuration where a ducted system becomes particularly practical\u003c\/h3\u003e\n\u003cp\u003eLet’s consider a house in \u003cstrong\u003eLongueuil\u003c\/strong\u003e where three small bedrooms are located on the same floor.\u003c\/p\u003e\n\u003cp\u003eThe owner does not want to install three wall-mounted heads. A single wall-mounted unit in the hallway is not an ideal solution either, since the bedroom doors are often closed.\u003c\/p\u003e\n\u003cp\u003eA properly sized ducted unit can allow for the placement of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea supply grille in each bedroom;\u003c\/li\u003e\n\u003cli\u003ea suitable return-air system;\u003c\/li\u003e\n\u003cli\u003ethe indoor unit in the corridor ceiling or in an adjacent space.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe result is much more discreet, and air distribution does not depend on leaving the doors open.\u003c\/p\u003e\n\u003cp\u003eHowever, the combined heating load of the rooms must be verified. The available \u003cstrong\u003e12,000 BTU\u003c\/strong\u003e must correspond to the entire served area.\u003c\/p\u003e\n\u003ch3\u003eA capacity that modulates from 3,400 to 13,500 BTU in cooling mode\u003c\/h3\u003e\n\u003cp\u003eThe Senville technical data sheet indicates a nominal cooling capacity of \u003cstrong\u003e12,000 BTU\u003c\/strong\u003e, with a modulation range of \u003cstrong\u003e3,400 to 13,500 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis range is important for comfort.\u003c\/p\u003e\n\u003cp\u003eDuring a relatively mild day, the system does not need to constantly produce 12,000 BTU. Inverter technology can reduce its output to better match demand.\u003c\/p\u003e\n\u003cp\u003eThis generally allows for longer, more consistent operating periods rather than a succession of starts and stops at full capacity.\u003c\/p\u003e\n\u003cp\u003eIn heating mode, the brochure indicates a nominal capacity of \u003cstrong\u003e12,500 BTU\/h\u003c\/strong\u003e, with an operating range from \u003cstrong\u003e3,800 to 16,200 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e20 SEER2, an EER2 of 12, and an HSPF2 of 10\u003c\/h3\u003e\n\u003cp\u003eThe SENVILLE ducted system offers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSEER2: 20\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER2: 12\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2 Region 4: 10\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2 Region 5: 8\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal COP: 3.39 W\/W\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor a homeowner comparing several \u003cstrong\u003educted heat pumps in Montreal or Laval\u003c\/strong\u003e, SEER2 provides a good reference for seasonal cooling efficiency.\u003c\/p\u003e\n\u003cp\u003eHSPF2 tells us more about seasonal heating performance.\u003c\/p\u003e\n\u003cp\u003eThe nominal COP of 3.39 means that, under the corresponding test condition, the system transfers approximately 3.39 units of thermal energy for each unit of electrical energy used by the heat pump cycle.\u003c\/p\u003e\n\u003cp\u003eHowever, this COP should not be applied to all outdoor temperatures.\u003c\/p\u003e\n\u003ch3\u003eAt -8 °C: approximately 9,600 BTU with a COP of 2.49\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen data provided for this configuration indicates:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAt -8 °C:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ecapacity: \u003cstrong\u003e9,600 BTU\/h\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCOP: \u003cstrong\u003e2,49\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor a small ducted area, this capacity can still cover a significant portion of the heating load if the building envelope performs well.\u003c\/p\u003e\n\u003cp\u003eIn an older home or an area with a lot of glazing, the result may be different.\u003c\/p\u003e\n\u003cp\u003eThis is why we do not select a 12,000 BTU heat pump based solely on floor area.\u003c\/p\u003e\n\u003ch3\u003eAt -15 °C: the AirGreen data indicates 11,800 BTU\u003c\/h3\u003e\n\u003cp\u003eThe supplied AirGreen data sheet indicates \u003cstrong\u003e11,800 BTU\/h at -15 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis value is higher than the 9,600 BTU figure given at -8 °C. The attached brochure does not provide these two low-temperature performance points, so it does not allow this progression to be confirmed directly.\u003c\/p\u003e\n\u003cp\u003eFor an accurate heat-loss calculation or to compare this model with a competitor, we therefore recommend verifying the exact capacities at -8 °C and -15 °C using \u003cstrong\u003eAHRI match 215735301\u003c\/strong\u003e or the performance table corresponding to this revision.\u003c\/p\u003e\n\u003cp\u003eThis detail is particularly important when determining whether the heat pump can handle a zone’s load on its own for much of the winter.\u003c\/p\u003e\n\u003ch3\u003eOperation down to -30 °C\u003c\/h3\u003e\n\u003cp\u003eThe Senville brochure clearly indicates heating operation down to \u003cstrong\u003e-22 °F, or -30 °C\u003c\/strong\u003e, and presents the unit as a cold-climate heat pump. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen data sheet gives, at this limit:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e6,400 BTU\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCOP: 1.28\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis makes it immediately possible to understand the difference between two commonly confused concepts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe system can operate down to -30 °C, but it does not necessarily produce 12,000 BTU at -30 °C.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIts capacity listed in the AirGreen data is therefore approximately 6,400 BTU\/h.\u003c\/p\u003e\n\u003cp\u003eFor a small, well-insulated area, this may remain useful. For an area with heat losses greater than this capacity, supplemental heating will be necessary during the most severe cold spells.\u003c\/p\u003e\n\u003ch3\u003eWhy the ducted format can improve comfort in several small rooms\u003c\/h3\u003e\n\u003cp\u003eOne of this product’s main advantages is not found solely in its energy performance.\u003c\/p\u003e\n\u003cp\u003eIts ability to distribute air to multiple locations.\u003c\/p\u003e\n\u003cp\u003eA 12,000 BTU wall-mounted head can easily heat a large open area, but its air has difficulty passing through several closed doors.\u003c\/p\u003e\n\u003cp\u003eWith a ducted unit, we can divide the airflow among several grilles.\u003c\/p\u003e\n\u003cp\u003eA configuration could, for example, include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003etwo bedrooms, each with a grille;\u003c\/li\u003e\n\u003cli\u003ea small office and a bedroom;\u003c\/li\u003e\n\u003cli\u003ea primary bedroom with a better-positioned supply grille;\u003c\/li\u003e\n\u003cli\u003ea small residential area divided into several zones.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDuct sizing then becomes central.\u003c\/p\u003e\n\u003ch3\u003eThe static pressure must be checked in the installation manual\u003c\/h3\u003e\n\u003cp\u003eThe provided brochure gives the airflow, but the available excerpts do not specify the \u003cstrong\u003eallowable external static pressure\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWe therefore avoid inventing a value.\u003c\/p\u003e\n\u003cp\u003eBefore designing a duct system, you must check the applicable manual:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eavailable static pressure;\u003c\/li\u003e\n\u003cli\u003efan speeds;\u003c\/li\u003e\n\u003cli\u003eductwork limits;\u003c\/li\u003e\n\u003cli\u003ethe permitted settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is particularly important for a \u003cstrong\u003educted heat pump installation\u003c\/strong\u003e, as an overly restrictive duct network could reduce the actual airflow at the grilles.\u003c\/p\u003e\n\u003ch3\u003eAn indoor unit rated between 32.5 and 36 dB in the brochure\u003c\/h3\u003e\n\u003cp\u003eThe brochure indicates:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e36 dB at high speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e34.5 dB at medium speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32.5 dB at low speed\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe AirGreen data provided, for its part, indicates \u003cstrong\u003e29,5 \/ 41 dB\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSince the two series do not correspond exactly and the brochure clearly presents the three H\/M\/L speeds, we recommend validating the final data for the exact matched system before publishing a single value.\u003c\/p\u003e\n\u003cp\u003eIn practice, the perceived noise from a ducted system also depends heavily on the ductwork and grilles.\u003c\/p\u003e\n\u003cp\u003eA grille that is too small can create more aerodynamic noise than the unit itself.\u003c\/p\u003e\n\u003ch3\u003eOutdoor sound level: the brochure indicates 56 dB\u003c\/h3\u003e\n\u003cp\u003eAnother discrepancy should be clearly noted.\u003c\/p\u003e\n\u003cp\u003eThe AirGreen sheet provided lists a value of \u003cstrong\u003e“Sound (Ext) 575.0”\u003c\/strong\u003e, while the Senville documentation indicates \u003cstrong\u003e56 dB\u003c\/strong\u003e for the outdoor unit. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor the technical presentation of this product, the value of \u003cstrong\u003e56 dB\u003c\/strong\u003e is the one shown in the attached brochure. The website data should therefore be verified before final publication.\u003c\/p\u003e\n\u003cp\u003eThis type of validation is important for maintaining an accurate and consistent product listing.\u003c\/p\u003e\n\u003ch2\u003eAirGreen installation: ductwork, drainage, R-454B, and service access determine the outcome just as much as the heat pump itself\u003c\/h2\u003e\n\u003ch3\u003eR-454B is confirmed in the documentation for this version\u003c\/h3\u003e\n\u003cp\u003eUnlike some older generations of heat pumps, the documentation provided for this ducted SENA clearly indicates \u003cstrong\u003eR-454B\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSenville specifies that the system is \u003cstrong\u003eprecharged for up to 25 feet of piping\u003c\/strong\u003e and that the 50-foot kit requires an additional charge to be added on site by the installer. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe technical data sheet also indicates a refrigerant charge of \u003cstrong\u003e35.27 oz\u003c\/strong\u003e and confirms a \u003cstrong\u003e25 ft\u003c\/strong\u003e precharge. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOn site, this means that the actual line length must be measured before commissioning.\u003c\/p\u003e\n\u003ch3\u003e1\/4 in. – 3\/8 in. piping\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen configuration indicates:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1\/4 in. for the liquid line\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e3\/8 in. for the gas line\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese dimensions are consistent with a heat pump of this capacity.\u003c\/p\u003e\n\u003cp\u003eWhen replacing a system, we do not automatically reuse old piping simply because it is already in the wall or ceiling.\u003c\/p\u003e\n\u003cp\u003eWe check:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe diameter;\u003c\/li\u003e\n\u003cli\u003ethe condition;\u003c\/li\u003e\n\u003cli\u003ethe length;\u003c\/li\u003e\n\u003cli\u003ethe type of previous refrigerant;\u003c\/li\u003e\n\u003cli\u003ethe manufacturer’s requirements;\u003c\/li\u003e\n\u003cli\u003ethe feasibility of compliant commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompact outdoor unit: 31.69 × 12.99 × 21.81 inches\u003c\/h3\u003e\n\u003cp\u003eThe brochure confirms outdoor dimensions of \u003cstrong\u003e31.69 × 12.99 × 21.81 in\u003c\/strong\u003e, with a weight of approximately \u003cstrong\u003e72.75 lb\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis format is well suited to urban environments.\u003c\/p\u003e\n\u003cp\u003eIn \u003cstrong\u003eMontreal, Laval, or Longueuil\u003c\/strong\u003e, the side space may be limited by:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea fence;\u003c\/li\u003e\n\u003cli\u003ea basement window;\u003c\/li\u003e\n\u003cli\u003ea passageway;\u003c\/li\u003e\n\u003cli\u003ea deck;\u003c\/li\u003e\n\u003cli\u003ethe neighboring property.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA relatively compact unit offers more possibilities, but air clearances and service access must always be respected.\u003c\/p\u003e\n\u003ch3\u003eDrainage deserves as much attention as the air ducts\u003c\/h3\u003e\n\u003cp\u003eThe ducted indoor unit produces condensation in cooling mode.\u003c\/p\u003e\n\u003cp\u003eSince it is often hidden in the ceiling or a soffit, a leak may be much less visible at first than with a wall-mounted unit.\u003c\/p\u003e\n\u003cp\u003eWe therefore plan:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ethe drain route;\u003c\/li\u003e\n\u003cli\u003ethe slope;\u003c\/li\u003e\n\u003cli\u003ethe discharge point;\u003c\/li\u003e\n\u003cli\u003eprotection against backflow;\u003c\/li\u003e\n\u003cli\u003efuture access;\u003c\/li\u003e\n\u003cli\u003ethe possible need for a pump.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eA system that is perfectly installed from a refrigeration standpoint can still become problematic if the drainage was improvised.\u003c\/p\u003e\n\u003ch3\u003eThe return air must remain accessible\u003c\/h3\u003e\n\u003cp\u003eAnother mistake is hiding the ducted unit so thoroughly that accessing the filter or appliance becomes difficult.\u003c\/p\u003e\n\u003cp\u003eInstead, we seek a balance between discretion and serviceability.\u003c\/p\u003e\n\u003cp\u003eThe homeowner must be able to service the filter, and a technician must be able to access the unit without opening a large section of the ceiling for every service visit.\u003c\/p\u003e\n\u003cp\u003eThis question must be settled before the walls or soffit are closed.\u003c\/p\u003e\n\u003ch3\u003eWired thermostat and Alexa compatibility indicated in the brochure\u003c\/h3\u003e\n\u003cp\u003eThe technical documentation specifies:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003ethermostat type: wired control\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlexa: enabled\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe AirGreen specifications also mention \u003cstrong\u003eoptional Wi-Fi\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor a ducted system, a wall-mounted controller often makes particular sense since the indoor unit itself is hidden.\u003c\/p\u003e\n\u003cp\u003eThe thermostat then becomes the main point of interaction with the system.\u003c\/p\u003e\n\u003ch3\u003eENERGY STAR and AHRI number 215735301\u003c\/h3\u003e\n\u003cp\u003eSenville indicates that the SENA-12HF\/ID is \u003cstrong\u003eENERGY STAR\u003c\/strong\u003e-certified, with an efficiency rating of 20 SEER2 and operation down to -30 °C. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen configuration specifies:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eAHRI: 215735301\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eENERGY STAR: 3630048\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese references are important when a financial assistance program requires a specific equipment pairing.\u003c\/p\u003e\n\u003ch3\u003eProvincial rebate listed at $1,152\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet associates this configuration with a \u003cstrong\u003e$1,152 provincial rebate\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAs with any financial assistance, this amount must be considered according to the rules applicable to the actual project.\u003c\/p\u003e\n\u003cp\u003eEligibility may depend on:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe building;\u003c\/li\u003e\n\u003cli\u003ethe exact equipment combination;\u003c\/li\u003e\n\u003cli\u003ethe AHRI number;\u003c\/li\u003e\n\u003cli\u003ethe program in effect;\u003c\/li\u003e\n\u003cli\u003ethe documents provided;\u003c\/li\u003e\n\u003cli\u003ethe installation date and location.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAt AirGreen, we recommend confirming these details before calculating the final net cost of the heat pump.\u003c\/p\u003e\n\u003ch3\u003eWarranty: a difference between the AirGreen product sheet and the brochure\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet indicates a \u003cstrong\u003e10-10-0 manufacturer’s warranty\u003c\/strong\u003e, with the possibility of an additional warranty.\u003c\/p\u003e\n\u003cp\u003eThe Senville brochure states:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e10 years on the compressor\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5 years on parts\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe technical sheet also repeats this 10-year compressor \/ 5-year parts coverage. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe documentation also specifies that professional installation is required to maintain the expected coverage and performance. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe therefore always confirm the exact conditions applicable to the product actually sold.\u003c\/p\u003e\n\u003ch3\u003eBuilt-in diagnostics and leak detection\u003c\/h3\u003e\n\u003cp\u003eSenville mentions the following features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eautomatic diagnostics\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eleak detection\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003emaintenance alerts. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese features can help identify certain issues more quickly.\u003c\/p\u003e\n\u003cp\u003eHowever, they do not replace a complete HVAC diagnosis.\u003c\/p\u003e\n\u003cp\u003eA comfort issue may be caused by the refrigerant, but also by a dirty filter, a restrictive duct, a thermostat, a drain, or an improperly balanced system.\u003c\/p\u003e\n\u003ch3\u003eWhy we particularly like ducted systems in certain renovations\u003c\/h3\u003e\n\u003cp\u003eA successful ducted installation can give the impression that there is practically no heating or cooling equipment in the room.\u003c\/p\u003e\n\u003cp\u003eThe customer mainly sees:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe grilles;\u003c\/li\u003e\n\u003cli\u003ethe thermostat;\u003c\/li\u003e\n\u003cli\u003ea stable temperature.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is precisely the desired result in several renovations where aesthetics matter.\u003c\/p\u003e\n\u003cp\u003eHowever, this discreet design requires more technical preparation.\u003c\/p\u003e\n\u003cp\u003eWe must coordinate the work with the ceiling structure, ductwork, drainage, and service access. The system becomes nearly invisible after the work is complete, but its installation must never be treated as an afterthought.\u003c\/p\u003e\n\u003ch3\u003eWho is the SENVILLE SENA 12,000 BTU ducted system particularly suitable for?\u003c\/h3\u003e\n\u003cp\u003eThis configuration may be suitable for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea floor comprising several small rooms;\u003c\/li\u003e\n\u003cli\u003ea primary bedroom with a bathroom or adjacent space;\u003c\/li\u003e\n\u003cli\u003ea condo;\u003c\/li\u003e\n\u003cli\u003ean office;\u003c\/li\u003e\n\u003cli\u003ea basement suite;\u003c\/li\u003e\n\u003cli\u003ea small commercial area;\u003c\/li\u003e\n\u003cli\u003ea project where no wall-mounted head is desired.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt combines several interesting features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e12,000 BTU\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e20 SEER2\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2 of 10\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eoperation down to \u003cstrong\u003e-30°C\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eR-454B\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eapproximately \u003cstrong\u003e401 CFM\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ean indoor unit only \u003cstrong\u003e7.87 inches high\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eENERGY STAR\u003c\/strong\u003e certification\n\u003c\/li\u003e\n\u003cli\u003eOptional Wi-Fi\u003c\/li\u003e\n\u003cli\u003epossibility of a financial incentive of \u003cstrong\u003e1 152 $\u003c\/strong\u003e, subject to eligibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen a wall-mounted unit may make more sense\u003c\/h3\u003e\n\u003cp\u003eA ducted system is not automatically preferable.\u003c\/p\u003e\n\u003cp\u003eA wall-mounted unit may be a better choice when you want:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea simpler installation;\u003c\/li\u003e\n\u003cli\u003efewer ducts;\u003c\/li\u003e\n\u003cli\u003eimmediate access to the filters;\u003c\/li\u003e\n\u003cli\u003ea direct drain;\u003c\/li\u003e\n\u003cli\u003ea lower installation cost;\u003c\/li\u003e\n\u003cli\u003eto condition a single large open room.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe recommend a ducted system when its architectural advantages and air distribution provide real value to the project.\u003c\/p\u003e\n\u003ch3\u003eWhy choose AirGreen for a ducted installation\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen Climatisation \u0026amp; Chauffage\u003c\/strong\u003e, we approach this type of system as a true air distribution project.\u003c\/p\u003e\n\u003cp\u003eWe check:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe 12,000 BTU capacity in relation to the load;\u003c\/li\u003e\n\u003cli\u003ethe available \u003cstrong\u003e401 CFM\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003enumber of grilles;\u003c\/li\u003e\n\u003cli\u003educt length;\u003c\/li\u003e\n\u003cli\u003eair returns;\u003c\/li\u003e\n\u003cli\u003eceiling space;\u003c\/li\u003e\n\u003cli\u003edrainage;\u003c\/li\u003e\n\u003cli\u003ethe R-454B piping;\u003c\/li\u003e\n\u003cli\u003ethe electrical supply;\u003c\/li\u003e\n\u003cli\u003eaccess for maintenance;\u003c\/li\u003e\n\u003cli\u003ethe outdoor unit;\u003c\/li\u003e\n\u003cli\u003ethe control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is this coordination that allows a \u003cstrong\u003educted heat pump in Montréal, Laval, Longueuil, on the North Shore or South Shore\u003c\/strong\u003e to deliver the desired comfort without creating a duct network that is too restrictive or difficult to maintain.\u003c\/p\u003e\n\u003ch3\u003eRequest an AirGreen quote for the 12,000 BTU SENVILLE SENA Ducted\u003c\/h3\u003e\n\u003cp\u003eAre you considering a \u003cstrong\u003e12,000 BTU SENVILLE SENA R454B ducted heat pump\u003c\/strong\u003e for a bedroom, floor, condo, suite, or commercial space?\u003c\/p\u003e\n\u003cp\u003eContact \u003cstrong\u003eAirGreen\u003c\/strong\u003e for a technical assessment. We can verify sizing, available space, duct distribution, drainage, electrical supply, refrigerant line routing, and eligibility for financial incentives.\u003c\/p\u003e\n\u003cp\u003eWe install and maintain \u003cstrong\u003educted heat pumps in Montréal, Laval, Longueuil, on the North Shore, South Shore, and in Montérégie\u003c\/strong\u003e, with particular attention to airflow, architectural integration, and winter operation.\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56120199512356,"sku":"SENA-12HF-OG","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_THERMOPOMPE_GAINABLE_SENVILLE_SENA_R454B_12000_BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD.png?v=1789067150","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-gainable-senville-sena-r454b-12000-btu","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}