{"product_id":"thermopompe-gainable-senville-sena-r454b-18000-btu","title":"Ducted Heat Pump SENVILLE SENA R454B | 18000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eAn 18,000 BTU ducted heat pump that disappears into the ceiling while maintaining genuine winter performance down to -30 °C\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eA \u003cstrong\u003educted heat pump\u003c\/strong\u003e meets a very different need from a wall-mounted unit. The goal is not merely to heat and cool: it is also to preserve the interior architecture by almost completely concealing the equipment. In a well-designed installation, only the supply grilles, return grille, and wall control remain visible.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE SENA R454B 18,000 BTU\u003c\/strong\u003e, with \u003cstrong\u003eSENA-18HF-OG\u003c\/strong\u003e outdoors and \u003cstrong\u003eSENA-18HF-IDG\u003c\/strong\u003e indoors, is specifically designed according to this logic. Senville documentation describes the system as a \u003cstrong\u003econcealed 18,000 BTU ducted mini-split with a heat pump\u003c\/strong\u003e, intended for heating and air conditioning. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen Heat Pumps, Air Conditioning \u0026amp; Heating\u003c\/strong\u003e, this type of system is particularly interesting in \u003cstrong\u003eMontreal, Laval, Longueuil, the South Shore, and the North Shore\u003c\/strong\u003e when a homeowner wants to avoid several visible wall-mounted units while air-conditioning one or more nearby rooms with the help of a small duct network.\u003c\/p\u003e\n\u003cp\u003eThe combination published on the AirGreen listing includes, among other things:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit: SENA-18HF-OG\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDucted indoor unit: SENA-18HF-IDG\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAHRI: 215735302\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eENERGY STAR®: yes\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCold Climate: yes\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eENERGY STAR ID: 3630049\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCommercial capacity: 18,000 BTU\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant: R-454B\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSEER2: 18.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER2: 12.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2: 10.5\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWiFi: optional\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePower supply: 220 V\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePiping: 1\/4 in – 1\/2 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eadvertised heating down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e$1,800 in advertised provincial rebates\u003c\/strong\u003e on the AirGreen listing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe manufacturer’s brochure confirms an \u003cstrong\u003eSEER2 of 18\u003c\/strong\u003e, an \u003cstrong\u003eEER2 of 12\u003c\/strong\u003e, an \u003cstrong\u003eHSPF2-4 of 10.5\u003c\/strong\u003e, and a rated COP of \u003cstrong\u003e3.37\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eThe main advantage of a ducted system: distributed comfort without a visible wall-mounted head\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit measures only approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e34.65 in × 26.54 in × 8.27 in\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts height of only \u003cstrong\u003e8.27 inches\u003c\/strong\u003e is particularly useful when the system must be integrated into a dropped ceiling, soffit, interstitial ceiling space, or relatively low mechanical area. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis design distributes air through short ducts to several grilles.\u003c\/p\u003e\n\u003cp\u003eA typical project might include, for example:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ean outlet in a primary bedroom;\u003c\/li\u003e\n\u003cli\u003ea second outlet in an adjacent office;\u003c\/li\u003e\n\u003cli\u003ea discreet return grille in the corridor or in a central area.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn this case, the owner gets more integrated air distribution than with two separate wall-mounted heads.\u003c\/p\u003e\n\u003ch3\u003eDucted does not mean a complete central system\u003c\/h3\u003e\n\u003cp\u003eThis is an important distinction.\u003c\/p\u003e\n\u003cp\u003eAn \u003cstrong\u003e18,000 BTU ducted heat pump\u003c\/strong\u003e is not necessarily designed to supply a large duct network serving an entire house like a traditional air-handling unit.\u003c\/p\u003e\n\u003cp\u003eIt is better suited to a compact, properly sized duct network.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we therefore examine:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe length of the ducts;\u003c\/li\u003e\n\u003cli\u003etheir diameter;\u003c\/li\u003e\n\u003cli\u003eelbows;\u003c\/li\u003e\n\u003cli\u003ethe number of outlets;\u003c\/li\u003e\n\u003cli\u003estatic pressure;\u003c\/li\u003e\n\u003cli\u003ethe size of the return grille.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA poor duct network can compromise performance even if the heat pump itself is excellent.\u003c\/p\u003e\n\u003ch3\u003eUp to 600 CFM: the duct network must be designed around the actual airflow\u003c\/h3\u003e\n\u003cp\u003eThe Senville brochure provides the following indoor airflow rates:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTurbo: 600.4 CFM\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHigh speed: 559.2 CFM\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMedium speed: 500.3 CFM\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow speed: 441.4 CFM\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis means that the system must be able to move several hundred cubic feet of air per minute without creating excessive pressure.\u003c\/p\u003e\n\u003cp\u003eA grille that is too small or unnecessarily narrow ducts can cause:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003emore noise;\u003c\/li\u003e\n\u003cli\u003elower airflow at the outlets;\u003c\/li\u003e\n\u003cli\u003euneven distribution;\u003c\/li\u003e\n\u003cli\u003ea loss of comfort;\u003c\/li\u003e\n\u003cli\u003eless efficient operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn our \u003cstrong\u003eHVAC projects in Montreal, Laval, and Longueuil\u003c\/strong\u003e, we often see that the success of a ducted system depends as much on the ventilation network as on the heat pump itself.\u003c\/p\u003e\n\u003ch3\u003e32 to 40 dB(A) according to the brochure: suitable for a concealed unit\u003c\/h3\u003e\n\u003cp\u003eThe manufacturer's documentation indicates an indoor sound level of:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e40 \/ 39 \/ 38 \/ 32 dB(A)\u003c\/strong\u003e depending on the speed. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen specifications currently state approximately \u003cstrong\u003e29.5 to 40 dB(A)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIn any case, the ducted design provides an additional acoustic advantage: the unit itself is installed away from the occupied area or behind a finish.\u003c\/p\u003e\n\u003cp\u003eHowever, perceived noise depends heavily on the installation.\u003c\/p\u003e\n\u003cp\u003eA supply vent that is too small can produce more noise than an otherwise very quiet indoor unit.\u003c\/p\u003e\n\u003ch3\u003eAn 18,000 BTU commercial capacity with inverter modulation\u003c\/h3\u003e\n\u003cp\u003eThe brochure indicates a nominal cooling capacity of \u003cstrong\u003e17,000 BTU\/h\u003c\/strong\u003e, with a modulation range from \u003cstrong\u003e6,500 to 18,800 BTU\/h\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIn heating mode, it indicates a nominal capacity of \u003cstrong\u003e19,000 BTU\/h\u003c\/strong\u003e, with a range from \u003cstrong\u003e8,900 to 22,000 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe commercial designation \u003cstrong\u003e18,000 BTU\u003c\/strong\u003e therefore corresponds to the system category, but its actual performance varies depending on the operating mode and load.\u003c\/p\u003e\n\u003cp\u003eThis inverter modulation is particularly well suited to a ducted unit.\u003c\/p\u003e\n\u003cp\u003eWhen the setpoint temperature is nearly reached, the system can reduce its output rather than constantly operating at full capacity.\u003c\/p\u003e\n\u003ch3\u003eWhy this modulation is important in a bedroom or office\u003c\/h3\u003e\n\u003cp\u003eAn overly aggressive system can cause:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eshort cycles;\u003c\/li\u003e\n\u003cli\u003etemperature fluctuations;\u003c\/li\u003e\n\u003cli\u003ean overly noticeable airflow;\u003c\/li\u003e\n\u003cli\u003eintermittent noise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA properly sized variable-capacity unit, on the other hand, can operate more gradually.\u003c\/p\u003e\n\u003cp\u003eComfort then becomes more stable, especially when the duct network is properly balanced.\u003c\/p\u003e\n\u003ch3\u003eHeating at -8 °C, -15 °C, and -30 °C: what the AirGreen data sheet actually indicates\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen data sheet provides very useful figures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e15,000 BTU\/h at -8 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e18,000 BTU\/h at -15 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e9,000 BTU\/h maximum at -30 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe indicated COP is approximately:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2.7 at -8 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1.51 at the maximum point at -30 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe brochure confirms that the system can operate in heating mode down to \u003cstrong\u003e-22 °F, or -30 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis distinction is essential.\u003c\/p\u003e\n\u003cp\u003eThe heat pump can continue heating at -30 °C, but that does not mean it retains 18,000 BTU at that temperature.\u003c\/p\u003e\n\u003ch3\u003eAt -15 °C, the capacity remains particularly impressive\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen data sheet indicates \u003cstrong\u003e18,000 BTU\/h at -15 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor the climate of \u003cstrong\u003eGreater Montréal\u003c\/strong\u003e, this figure is often more important than the performance observed at -30 °C, since the heat pump can provide a significant portion of the heating for much of the winter.\u003c\/p\u003e\n\u003cp\u003eIf the space requires less than 18,000 BTU\/h at -15 °C, the unit can still handle a large portion of the load.\u003c\/p\u003e\n\u003cp\u003eAt -30 °C, with approximately \u003cstrong\u003e9,000 BTU\/h maximum\u003c\/strong\u003e, a supplementary heat source may nevertheless be required depending on the building's heat loss.\u003c\/p\u003e\n\u003ch2\u003eInstallation, ductwork, R-454B, and controls: the technical details that make all the difference in a ducted system\u003c\/h2\u003e\n\u003ch3\u003eThe indoor unit must remain accessible after the work is complete\u003c\/h3\u003e\n\u003cp\u003eThe ducted system is designed to be hidden, but it must never become inaccessible.\u003c\/p\u003e\n\u003cp\u003eWe must provide access to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe filter;\u003c\/li\u003e\n\u003cli\u003ethe evaporator;\u003c\/li\u003e\n\u003cli\u003ethe drain;\u003c\/li\u003e\n\u003cli\u003ethe electronic control board;\u003c\/li\u003e\n\u003cli\u003ethe fan;\u003c\/li\u003e\n\u003cli\u003ethe refrigerant connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA system completely enclosed behind a finished ceiling without an access hatch can turn a simple maintenance operation into demolition work.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we prefer to integrate access into the design from the outset.\u003c\/p\u003e\n\u003ch3\u003eThe return air is just as important as the outlets\u003c\/h3\u003e\n\u003cp\u003eA ducted system cannot blow properly if it cannot draw in enough air.\u003c\/p\u003e\n\u003cp\u003eWe must size the return grille according to the system's airflow.\u003c\/p\u003e\n\u003cp\u003eWith up to \u003cstrong\u003e600 CFM\u003c\/strong\u003e, the return airflow must be sufficient to prevent:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ewhistling;\u003c\/li\u003e\n\u003cli\u003eexcessive pressure;\u003c\/li\u003e\n\u003cli\u003ea reduction in airflow;\u003c\/li\u003e\n\u003cli\u003enoisier operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis step is often overlooked when the focus is solely on the visible supply grilles.\u003c\/p\u003e\n\u003ch3\u003eTwo or three small outlets can be more effective than a single large grille\u003c\/h3\u003e\n\u003cp\u003eDepending on the room layout, we can distribute the air among several outlets.\u003c\/p\u003e\n\u003cp\u003eFor example, in a large bedroom with a walk-in closet and an adjacent bathroom, two outlets can sometimes produce a more even temperature than a single register located at one end.\u003c\/p\u003e\n\u003cp\u003eBut the outlets should not be multiplied arbitrarily.\u003c\/p\u003e\n\u003cp\u003eEach branch adds resistance to the system and changes the available airflow.\u003c\/p\u003e\n\u003ch3\u003eThe 8.27-inch thickness makes several installations easier\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit’s low height is one of its practical advantages.\u003c\/p\u003e\n\u003cp\u003eAt only \u003cstrong\u003e8.27 in\u003c\/strong\u003e, it can fit into certain ceilings where a conventional air handler would be impossible.\u003c\/p\u003e\n\u003cp\u003eHowever, the necessary clearances around the cabinet, the drain, and the connections must be added.\u003c\/p\u003e\n\u003cp\u003eThe figure of 8.27 inches should therefore not be used as the total installation height.\u003c\/p\u003e\n\u003ch3\u003eR-454B with a factory charge for up to 25 feet\u003c\/h3\u003e\n\u003cp\u003eThe SENVILLE uses \u003cstrong\u003eR-454B\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe documentation indicates a charge of \u003cstrong\u003e55.38 oz\u003c\/strong\u003e and a factory charge intended for up to \u003cstrong\u003e25 feet\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSenville also specifies that a 50-foot line set requires an on-site charge adjustment. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen product page indicates piping:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1\/4 in – 1\/2 in\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eDuring a replacement, we must therefore carefully check the size of the existing lines.\u003c\/p\u003e\n\u003ch3\u003eThe refrigerant line routing must be planned at the same time as the duct network\u003c\/h3\u003e\n\u003cp\u003eWith a wall-mounted unit, the refrigerant lines can often exit directly behind the head.\u003c\/p\u003e\n\u003cp\u003eWith a ducted system, the indoor unit can be located much farther from the exterior wall.\u003c\/p\u003e\n\u003cp\u003eThe project must therefore coordinate:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003erefrigerant lines;\u003c\/li\u003e\n\u003cli\u003edrainage;\u003c\/li\u003e\n\u003cli\u003educts;\u003c\/li\u003e\n\u003cli\u003epower supply;\u003c\/li\u003e\n\u003cli\u003ethermostat;\u003c\/li\u003e\n\u003cli\u003eservice access.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is one of the reasons why installing a ducted system requires more planning than a conventional wall-mounted heat pump.\u003c\/p\u003e\n\u003ch3\u003eWired wall control\u003c\/h3\u003e\n\u003cp\u003eThe brochure indicates \u003cstrong\u003ewired wall control\u003c\/strong\u003e for this system. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis makes particular sense for a ducted unit, since the indoor unit is not directly accessible or visible.\u003c\/p\u003e\n\u003cp\u003eThe temperature is controlled from the wall, as with a thermostat.\u003c\/p\u003e\n\u003cp\u003eThe documentation also indicates Alexa compatibility, while the AirGreen product page specifies that \u003cstrong\u003eWiFi is optional\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis distinction should be confirmed when ordering if phone control is an important criterion.\u003c\/p\u003e\n\u003ch3\u003eA user review specifically points out the thermostat wiring\u003c\/h3\u003e\n\u003cp\u003eThe brochure contains a verified buyer review dated July 3, 2026, which mentions that \u003cstrong\u003ethe thermostat wiring was not very clear\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis comment highlights a specific point: on a ducted system, the wall control is an integral part of the installation.\u003c\/p\u003e\n\u003cp\u003eAt AirGreen, we want the wiring, control addressing, and commissioning to be completed before closing the ceilings or access panels.\u003c\/p\u003e\n\u003ch3\u003eElectrical requirements: a discrepancy between the AirGreen product page and the brochure\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product page currently states:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMCA: 15 A\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMOP: 15 A\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Senville brochure, however, indicates:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMCA: 19 A\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003emaximum fuse: 20 A\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor an actual installation, we must therefore use the data corresponding to \u003cstrong\u003ethe unit actually delivered, its nameplate, and the technical documentation applicable to the exact combination\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis discrepancy should also be verified on the product page before final publication.\u003c\/p\u003e\n\u003ch3\u003eThe outdoor unit is larger than a small 9,000 or 12,000 BTU unit\u003c\/h3\u003e\n\u003cp\u003eThe outdoor dimensions are:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e35.04 in × 13.46 in × 26.50 in\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003efor a weight of approximately \u003cstrong\u003e99.87 lb\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe brochure indicates an outdoor sound level of \u003cstrong\u003e59 dB(A)\u003c\/strong\u003e, while the AirGreen product page currently shows \u003cstrong\u003e57 dB(A)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAs with ampacity, this difference must be tied to the exact combination and the final technical data sheet used.\u003c\/p\u003e\n\u003ch3\u003eThe outdoor location must take noise and snow into account\u003c\/h3\u003e\n\u003cp\u003eWe check:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003edistance from bedrooms;\u003c\/li\u003e\n\u003cli\u003ewindows;\u003c\/li\u003e\n\u003cli\u003edeck;\u003c\/li\u003e\n\u003cli\u003eneighbor;\u003c\/li\u003e\n\u003cli\u003eairflow;\u003c\/li\u003e\n\u003cli\u003eheight above the ground;\u003c\/li\u003e\n\u003cli\u003ewinter accumulation;\u003c\/li\u003e\n\u003cli\u003eease of access.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAn outdoor unit weighing nearly 100 lb also requires a stable support.\u003c\/p\u003e\n\u003ch3\u003eENERGY STAR and Cold Climate\u003c\/h3\u003e\n\u003cp\u003eThe brochure clearly presents the SENVILLE ducted system as \u003cstrong\u003eENERGY STAR®\u003c\/strong\u003e and capable of providing heating down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen product page also identifies:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAHRI 215735302\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eENERGY STAR 3630049\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCold Climate: yes\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThese references are particularly important for verifying financial assistance programs.\u003c\/p\u003e\n\u003ch3\u003eDisplayed provincial rebate: $1,800\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product page currently indicates a \u003cstrong\u003e$1,800 provincial rebate\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSince the rules and amounts may change, we always confirm eligibility at the time of quoting.\u003c\/p\u003e\n\u003cp\u003eThe exact \u003cstrong\u003eSENA-18HF-OG + SENA-18HF-IDG\u003c\/strong\u003e combination must be used for this verification.\u003c\/p\u003e\n\u003ch3\u003eWarranty: the brochure and the AirGreen product page do not provide the same coverage\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product page states:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10-year compressor – 10-year parts – 0-year labor\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ewith a possible additional warranty.\u003c\/p\u003e\n\u003cp\u003eSenville states in the brochure:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10-year compressor warranty – 5-year parts warranty\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe same coverage is repeated in the technical table. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIf an extended parts warranty is offered by AirGreen, the distributor or a registration program, it must be confirmed in the terms of sale.\u003c\/p\u003e\n\u003ch3\u003eWhat type of project is this 18,000 BTU ducted heat pump particularly well suited for?\u003c\/h3\u003e\n\u003cp\u003eWe consider it particularly when a homeowner is looking for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea heat pump without a visible wall-mounted unit;\u003c\/li\u003e\n\u003cli\u003etwo or more small air outlets;\u003c\/li\u003e\n\u003cli\u003ea system for a primary bedroom and an adjacent room;\u003c\/li\u003e\n\u003cli\u003ea solution for one section of a house without a complete central ductwork system;\u003c\/li\u003e\n\u003cli\u003einstallation in a false ceiling;\u003c\/li\u003e\n\u003cli\u003ea \u003cstrong\u003eCold Climate\u003c\/strong\u003e heat pump;\u003c\/li\u003e\n\u003cli\u003eheating down to -30 °C;\u003c\/li\u003e\n\u003cli\u003ea wall control rather than a remote aimed at a wall-mounted head.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen a wall-mounted unit would be simpler\u003c\/h3\u003e\n\u003cp\u003eA ducted system is not automatically the best choice.\u003c\/p\u003e\n\u003cp\u003eA wall-mounted heat pump may make more sense when:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eno ceiling space is available;\u003c\/li\u003e\n\u003cli\u003ea false ceiling would have to be built solely for the system;\u003c\/li\u003e\n\u003cli\u003ethe ductwork would be too complex;\u003c\/li\u003e\n\u003cli\u003emaintenance access would be difficult;\u003c\/li\u003e\n\u003cli\u003ethe budget favors a simpler installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe right choice therefore depends on the building as much as on the product.\u003c\/p\u003e\n\u003ch3\u003eWhy choose AirGreen to install a SENVILLE ducted heat pump\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, a ducted installation is planned as a complete small ventilation system.\u003c\/p\u003e\n\u003cp\u003eWe check, among other things:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ethe actual required capacity;\u003c\/li\u003e\n\u003cli\u003ethe indoor unit's location;\u003c\/li\u003e\n\u003cli\u003ethe number of outlets;\u003c\/li\u003e\n\u003cli\u003ethe airflow of each branch;\u003c\/li\u003e\n\u003cli\u003ethe return grille;\u003c\/li\u003e\n\u003cli\u003edrainage;\u003c\/li\u003e\n\u003cli\u003ethe refrigerant lines;\u003c\/li\u003e\n\u003cli\u003eservice access;\u003c\/li\u003e\n\u003cli\u003ethe electrical supply;\u003c\/li\u003e\n\u003cli\u003ethe wall control;\u003c\/li\u003e\n\u003cli\u003ethe outdoor unit's placement.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eWe carry out \u003cstrong\u003educted heat pump projects in Montreal, Laval, Longueuil, on the South Shore, the North Shore and in Montérégie\u003c\/strong\u003e when aesthetics and air distribution justify a more integrated solution than a wall-mounted head.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE SENA R454B 18,000 BTU ducted heat pump\u003c\/strong\u003e offers an interesting technical package: \u003cstrong\u003eSEER2 18, HSPF2-4 10.5, up to 600 CFM, an indoor unit only 8.27 inches high, heating down to -30 °C, inverter modulation and ENERGY STAR certification\u003c\/strong\u003e. The manufacturer's brochure confirms these key features. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eContact AirGreen for a quote on the SENVILLE SENA R454B 18,000 BTU ducted heat pump, to assess your ductwork and plan a complete HVAC installation in Montreal, Laval, Longueuil, on the South Shore or the North Shore.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56120199545124,"sku":"SENA-18HF-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_18000_BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD.png?v=1789067159","url":"https:\/\/airgreen.ca\/en\/products\/thermopompe-gainable-senville-sena-r454b-18000-btu","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}