{"product_id":"climatiseur-cassette-de-plafond-senville-sena-r454b-9000-btu","title":"SENVILLE SENA R454B Ceiling Cassette Air Conditioner | 9000 BTU","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eA 9,000 BTU ceiling cassette that frees up the walls while providing heating and cooling down to -30 °C\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eIn some rooms, the best place for an air-conditioning unit simply is not on a wall. Large windows, full-height cabinets, a commercial layout, a minimalist office design, or a room where every wall surface is already being used can make a conventional wall-mounted head difficult to integrate. This is precisely the type of project where the \u003cstrong\u003eSENVILLE SENA R454B 9,000 BTU ceiling cassette air conditioner\u003c\/strong\u003e becomes particularly appealing.\u003c\/p\u003e\n\u003cp\u003eThe combination presented by AirGreen pairs the \u003cstrong\u003eSENA-09HF-OG\u003c\/strong\u003e outdoor unit with the \u003cstrong\u003eSENA-09HF-ICG\u003c\/strong\u003e indoor cassette, with reference \u003cstrong\u003eAHRI 215735304\u003c\/strong\u003e. This is not merely an air conditioner: Senville documentation clearly describes the SENA-09HF\/IC as a \u003cstrong\u003eceiling cassette heat pump\u003c\/strong\u003e capable of both cooling and heating. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen Heat Pumps, Air Conditioning \u0026amp; Heating\u003c\/strong\u003e, we consider this format for residential and commercial projects in \u003cstrong\u003eMontreal, Laval, Longueuil, the South Shore, the North Shore, and Montérégie\u003c\/strong\u003e where the goal is to achieve more central air distribution while avoiding a highly visible wall-mounted unit.\u003c\/p\u003e\n\u003cp\u003eThe AirGreen specifications sheet lists the following features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eRated cooling capacity: 9,000 BTU\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor unit: SENA-09HF-OG\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCassette indoor unit: SENA-09HF-ICG\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAHRI: 215735304\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRefrigerant: R-454B\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\u003eSEER2: 22.6\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER2: 14.0\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2: 12.1\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\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 – 3\/8 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCA: 15 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMOP: 15 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDehumidification: approximately 1.86 pt\/h\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIndoor sound level: 26 to 42.5 dB(A)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor sound level: 55 dB(A)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe manufacturer's documentation confirms \u003cstrong\u003e208\/230 V single-phase, 60 Hz\u003c\/strong\u003e power, a \u003cstrong\u003eSEER2 of 22.6\u003c\/strong\u003e, and an \u003cstrong\u003eEER2 of 14\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy choose a ceiling cassette rather than a wall-mounted heat pump?\u003c\/h3\u003e\n\u003cp\u003eThe most important difference concerns air distribution.\u003c\/p\u003e\n\u003cp\u003eA wall-mounted unit generally projects its airflow from one side of the room. A cassette is installed in the ceiling and can distribute air from a much more central position.\u003c\/p\u003e\n\u003cp\u003eThis becomes interesting in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea large bedroom with little available wall space;\u003c\/li\u003e\n\u003cli\u003ea professional office;\u003c\/li\u003e\n\u003cli\u003ea meeting room;\u003c\/li\u003e\n\u003cli\u003ea retail store;\u003c\/li\u003e\n\u003cli\u003ea reception area;\u003c\/li\u003e\n\u003cli\u003ea room with extensive glazing;\u003c\/li\u003e\n\u003cli\u003ea basement with a suspended ceiling;\u003c\/li\u003e\n\u003cli\u003ecertain additions or renovated spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn our HVAC projects, choosing a cassette is particularly relevant when a wall-mounted unit would require accepting a poor location simply because no other wall is available.\u003c\/p\u003e\n\u003cp\u003eThe cassette completely transforms this constraint: \u003cstrong\u003ethe ceiling becomes the main installation area\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eA compact cassette measuring just 22.44 in × 22.44 in\u003c\/h3\u003e\n\u003cp\u003eThe indoor unit measures:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e22.44 in × 22.44 in × 9.65 in\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eand weighs approximately \u003cstrong\u003e35.27 lb\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis square format is particularly interesting for installation in certain suspended ceilings or ceilings that allow the unit to be recessed.\u003c\/p\u003e\n\u003cp\u003eHowever, the visible dimensions do not tell the whole story.\u003c\/p\u003e\n\u003cp\u003eA cassette also requires available space \u003cstrong\u003eabove the ceiling\u003c\/strong\u003e for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe unit body;\u003c\/li\u003e\n\u003cli\u003ethe refrigerant connections;\u003c\/li\u003e\n\u003cli\u003ethe drain;\u003c\/li\u003e\n\u003cli\u003ethe wiring;\u003c\/li\u003e\n\u003cli\u003efuture access for servicing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is a major difference compared with a wall-mounted head, which is much simpler to install when the ceiling is inaccessible.\u003c\/p\u003e\n\u003ch3\u003eThe dropped ceiling must be inspected before promising installation.\u003c\/h3\u003e\n\u003cp\u003eThis is one of the points we check as a priority at AirGreen.\u003c\/p\u003e\n\u003cp\u003eA room may seem ideal for a cassette from the floor, but the space above the ceiling may contain:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ejoists;\u003c\/li\u003e\n\u003cli\u003eventilation ducts;\u003c\/li\u003e\n\u003cli\u003eplumbing;\u003c\/li\u003e\n\u003cli\u003ecables;\u003c\/li\u003e\n\u003cli\u003ebeams;\u003c\/li\u003e\n\u003cli\u003estructural elements;\u003c\/li\u003e\n\u003cli\u003esignificant insulation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe must therefore verify that the \u003cstrong\u003e22.44-inch square, 9.65-inch-high\u003c\/strong\u003e unit can actually fit without compromising the structure.\u003c\/p\u003e\n\u003cp\u003eIn a finished drywall ceiling, preparation may be more complex than in a commercial suspended ceiling.\u003c\/p\u003e\n\u003ch3\u003e353 CFM: sufficient airflow for a unit rated at only 9,000 BTU\u003c\/h3\u003e\n\u003cp\u003eThe brochure lists four indoor airflow rates:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTurbo: 353.2 CFM\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHigh speed: 312.0 CFM\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMedium speed: 264.9 CFM\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLow speed: 182.5 CFM\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe sound level varies accordingly, from \u003cstrong\u003e42.5 dB(A)\u003c\/strong\u003e in Turbo mode to just \u003cstrong\u003e26 dB(A)\u003c\/strong\u003e at low speed. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis airflow modulation capability is particularly interesting for a cassette.\u003c\/p\u003e\n\u003cp\u003eWhen the room needs to be brought back to temperature quickly, the airflow can increase. Once the temperature has stabilized, the system can slow down and become much quieter.\u003c\/p\u003e\n\u003cp\u003eFor an office or bedroom, the stated minimum level of \u003cstrong\u003e26 dB(A)\u003c\/strong\u003e is a tangible advantage.\u003c\/p\u003e\n\u003ch3\u003eA much wider inverter capacity than the 9,000 BTU figure\u003c\/h3\u003e\n\u003cp\u003eThe unit’s marketed capacity is \u003cstrong\u003e9,000 BTU for cooling\u003c\/strong\u003e, but the brochure shows a modulation range of:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3,700 to 13,600 BTU\/h in cooling mode\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIn heating mode, the rated capacity is \u003cstrong\u003e10,000 BTU\/h\u003c\/strong\u003e, with a range from:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5,100 to 15,700 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is one of the most important pieces of information on this specification sheet.\u003c\/p\u003e\n\u003cp\u003eAn inverter heat pump does not operate constantly at 9,000 BTU. It adjusts its output according to demand.\u003c\/p\u003e\n\u003cp\u003eIn a room that is gradually approaching the desired temperature, the system can reduce its output instead of stopping abruptly and restarting a few minutes later.\u003c\/p\u003e\n\u003cp\u003eThis modulation contributes to a more stable temperature and can improve comfort, particularly when the unit is properly sized.\u003c\/p\u003e\n\u003ch3\u003eSEER2 22.6 and HSPF2-4 of 12.1\u003c\/h3\u003e\n\u003cp\u003eThe Senville documentation confirms:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSEER2: 22.6\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEER2: 14\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2-4: 12.1\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHSPF2-5: 9.3\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal COP: 4.0\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese values are particularly interesting for a small ceiling cassette that must provide both cooling and heating.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSEER2\u003c\/strong\u003e measures seasonal cooling efficiency. The \u003cstrong\u003eHSPF2\u003c\/strong\u003e is more useful for comparing seasonal heating performance.\u003c\/p\u003e\n\u003cp\u003eIn Quebec, this second figure is particularly important because the heat pump can operate during a large part of the fall, winter, and spring.\u003c\/p\u003e\n\u003ch3\u003eAt -15 °C, the heating capacity still exceeds 9,000 BTU.\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet states:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e9,700 BTU\/h at -8 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e11,000 BTU\/h at -15 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4,200 BTU\/h maximum at -30 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe stated COP is approximately \u003cstrong\u003e2.63 at -8 °C\u003c\/strong\u003e and \u003cstrong\u003e1.02 at -30 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThese values are very useful for understanding the cassette’s actual performance in winter.\u003c\/p\u003e\n\u003cp\u003eThe system can operate down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e, which is also confirmed by Senville documentation. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBut the available capacity changes significantly with temperature.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003e-15 °C\u003c\/strong\u003e, the AirGreen specifications still indicate \u003cstrong\u003e11,000 BTU\/h\u003c\/strong\u003e, which is higher than the 9,000 BTU nominal cooling capacity.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003e-30 °C\u003c\/strong\u003e, the maximum capacity drops to approximately \u003cstrong\u003e4,200 BTU\/h\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhy “operates at -30 °C” never means “full capacity at -30 °C”\u003c\/h3\u003e\n\u003cp\u003eThis is an important distinction in all our \u003cstrong\u003eheat pump projects in Montreal, Laval, Longueuil, on the South Shore, and on the North Shore\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eA heat pump can continue producing heat at -30 °C without being able to cover all of the room’s heat loss on its own.\u003c\/p\u003e\n\u003cp\u003eIf the space loses 8,000 BTU\/h during extreme cold and the cassette can provide only about 4,200 BTU\/h, a supplementary heating source must cover the gap.\u003c\/p\u003e\n\u003cp\u003eWe therefore prefer to analyze:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ecapacity at -8 °C;\u003c\/li\u003e\n\u003cli\u003ecapacity at -15 °C;\u003c\/li\u003e\n\u003cli\u003ecapacity at -30 °C;\u003c\/li\u003e\n\u003cli\u003ethe room’s actual heat loss.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis method provides a much more realistic picture than simply stating a minimum temperature on the specifications sheet.\u003c\/p\u003e\n\u003ch2\u003eCeiling installation, drainage, and R-454B: the details that determine whether a cassette will truly be successful\u003c\/h2\u003e\n\u003ch3\u003eDrainage is even more important with a ceiling cassette.\u003c\/h3\u003e\n\u003cp\u003eA cassette produces condensate during cooling and dehumidification.\u003c\/p\u003e\n\u003cp\u003eThe brochure indicates moisture extraction of \u003cstrong\u003e0.88 liters per hour\u003c\/strong\u003e, which corresponds to approximately \u003cstrong\u003e1.86 US pints per hour\u003c\/strong\u003e, consistent with the AirGreen specifications. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike some wall-mounted installations where the drain can simply exit directly outdoors with a natural slope, a cassette is often installed in the center or deeper inside the building.\u003c\/p\u003e\n\u003cp\u003eCareful planning is therefore required:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe drain route;\u003c\/li\u003e\n\u003cli\u003ethe slope;\u003c\/li\u003e\n\u003cli\u003ethe outlet point;\u003c\/li\u003e\n\u003cli\u003eaccessibility;\u003c\/li\u003e\n\u003cli\u003ethe risk of blockage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith this type of product, poorly designed drainage can cause ceiling damage long before a refrigerant problem appears.\u003c\/p\u003e\n\u003ch3\u003eA typical scenario in which we favor a cassette\u003c\/h3\u003e\n\u003cp\u003eLet’s consider a large renovated bedroom with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ebay window on one wall;\u003c\/li\u003e\n\u003cli\u003ewardrobe on a second;\u003c\/li\u003e\n\u003cli\u003eheadboard on a third;\u003c\/li\u003e\n\u003cli\u003efurniture on the fourth.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA wall-mounted head could technically be installed, but no location would provide truly satisfactory air distribution.\u003c\/p\u003e\n\u003cp\u003eA cassette installed closer to the center of the ceiling can then free up the walls and distribute the air more effectively.\u003c\/p\u003e\n\u003cp\u003eIn a commercial space, the logic is similar: the unit can be integrated into the ceiling, avoiding the use of wall space reserved for shelves, signs, or displays.\u003c\/p\u003e\n\u003ch3\u003eAnother situation in which we do not recommend a cassette\u003c\/h3\u003e\n\u003cp\u003eThe cassette is not automatically superior.\u003c\/p\u003e\n\u003cp\u003eIn a home with no accessible space above the ceiling, where opening the drywall would require extensive work, a wall-mounted unit may become much more economical and practical.\u003c\/p\u003e\n\u003cp\u003eWe therefore always assess the total installation cost, not just the equipment price.\u003c\/p\u003e\n\u003ch3\u003eR-454B and precharge up to 25 feet\u003c\/h3\u003e\n\u003cp\u003eThe system operates with \u003cstrong\u003eR-454B\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSenville specifies that it is precharged for piping runs of up to \u003cstrong\u003e25 feet\u003c\/strong\u003e and that an installation with a 50-foot set requires additional refrigerant to be added by the installer. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe AirGreen specification sheet indicates piping of:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1\/4 in – 3\/8 in\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThese diameters are particularly useful in a replacement project, but we never assume that old lines can be reused automatically.\u003c\/p\u003e\n\u003cp\u003eWe check:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003etheir diameter;\u003c\/li\u003e\n\u003cli\u003etheir condition;\u003c\/li\u003e\n\u003cli\u003etheir length;\u003c\/li\u003e\n\u003cli\u003ethe old refrigerant;\u003c\/li\u003e\n\u003cli\u003ethe route;\u003c\/li\u003e\n\u003cli\u003eaccessibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe cassette often requires more refrigerant-system planning\u003c\/h3\u003e\n\u003cp\u003eA wall-mounted unit installed on an exterior wall may allow for a very short refrigerant line run.\u003c\/p\u003e\n\u003cp\u003eA cassette can be installed in the middle of a room.\u003c\/p\u003e\n\u003cp\u003eThe actual distance to the outside may therefore be much longer.\u003c\/p\u003e\n\u003cp\u003eWe need to plan the conduits before opening the ceiling to avoid creating an unnecessarily complex route.\u003c\/p\u003e\n\u003ch3\u003e208\/230 V, MCA 15 A, and MOP 15 A\u003c\/h3\u003e\n\u003cp\u003eThe manufacturer’s documentation states:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e208\/230 V\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003esingle-phase;\u003c\/li\u003e\n\u003cli\u003e60 Hz;\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCA: 15 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003emaximum protection: 15 A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003econnection wiring \u003cstrong\u003e14\/4 AWG\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\u003eThese data are consistent with the AirGreen specification sheet.\u003c\/p\u003e\n\u003cp\u003eBefore installation, however, the electrical supply must be verified based on the equipment actually delivered and the requirements applicable to the job site.\u003c\/p\u003e\n\u003ch3\u003eOutdoor unit dimensions and sound level\u003c\/h3\u003e\n\u003cp\u003eThe outdoor unit measures:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e31.69 in × 12.99 in × 21.81 in\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eand weighs approximately \u003cstrong\u003e72.75 lb\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts stated sound level is \u003cstrong\u003e55 dB(A)\u003c\/strong\u003e, and its maximum outdoor airflow is approximately \u003cstrong\u003e1,471.5 CFM\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor a heat pump of this capacity, the outdoor unit remains relatively compact.\u003c\/p\u003e\n\u003cp\u003eThis facilitates certain projects on properties where lateral space is limited.\u003c\/p\u003e\n\u003ch3\u003eThe outdoor unit’s location should not be chosen solely to reduce piping length\u003c\/h3\u003e\n\u003cp\u003eEven at 55 dB(A), we consider:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ewindows;\u003c\/li\u003e\n\u003cli\u003ebedrooms;\u003c\/li\u003e\n\u003cli\u003ethe terrace;\u003c\/li\u003e\n\u003cli\u003eneighbors;\u003c\/li\u003e\n\u003cli\u003eproperty lines;\u003c\/li\u003e\n\u003cli\u003esnow accumulation;\u003c\/li\u003e\n\u003cli\u003eservice access.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe best location is generally a compromise between acoustics, aesthetics, accessibility, and piping length.\u003c\/p\u003e\n\u003ch3\u003eAutomatic vertical louvers, manual horizontal louvers\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet states:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003evertical louvers: automatic\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ehorizontal louvers: manual\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis characteristic must be taken into account during commissioning.\u003c\/p\u003e\n\u003cp\u003eThe initial orientation of the outlets should be adjusted to distribute air throughout the room rather than concentrating the airflow in a single direction.\u003c\/p\u003e\n\u003cp\u003eWith a cassette, this step can have a significant impact on perceived comfort.\u003c\/p\u003e\n\u003ch3\u003eOptional WiFi\u003c\/h3\u003e\n\u003cp\u003eWiFi is listed as \u003cstrong\u003eoptional\u003c\/strong\u003e on the AirGreen product sheet.\u003c\/p\u003e\n\u003cp\u003eFor some commercial projects, this feature is particularly useful, especially for changing the setpoint remotely or managing operating schedules.\u003c\/p\u003e\n\u003cp\u003eIn a residence, it may also be useful when the cassette serves a room used only during certain periods.\u003c\/p\u003e\n\u003cp\u003eWe simply recommend confirming this option when requesting a quote rather than assuming it is automatically included.\u003c\/p\u003e\n\u003ch3\u003eENERGY STAR® and Cold Climate\u003c\/h3\u003e\n\u003cp\u003eSenville’s documentation clearly presents this cassette as \u003cstrong\u003eENERGY STAR®\u003c\/strong\u003e certified and capable of 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 sheet also identifies it as \u003cstrong\u003eCold Climate\u003c\/strong\u003e, with reference \u003cstrong\u003eAHRI 215735304\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis positions the cassette not only as an aesthetically pleasing air-conditioning unit, but as a true \u003cstrong\u003eheat pump for Quebec’s climate\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eSelf-diagnostics and leak detection\u003c\/h3\u003e\n\u003cp\u003eSenville mentions a \u003cstrong\u003eself-diagnostic and leak detection system\u003c\/strong\u003e intended to facilitate the identification of certain problems. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis function does not replace \u003cstrong\u003eHVAC maintenance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eA cassette requires regular attention to, among other things:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003efilters;\u003c\/li\u003e\n\u003cli\u003eheat exchangers;\u003c\/li\u003e\n\u003cli\u003eair outlets;\u003c\/li\u003e\n\u003cli\u003econdensate drain;\u003c\/li\u003e\n\u003cli\u003epump or drainage system where applicable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eService access must be planned from the installation stage. A cassette that is perfectly recessed but impossible to service properly quickly becomes a poor choice.\u003c\/p\u003e\n\u003ch3\u003eWarranty: a discrepancy to clarify between the AirGreen product sheet and the brochure\u003c\/h3\u003e\n\u003cp\u003eThe AirGreen product sheet states:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10 years compressor – 10 years parts – 0 years labour\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ewith the possibility of an additional warranty.\u003c\/p\u003e\n\u003cp\u003eThe attached Senville documentation instead indicates \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\u003eThe technical table repeats the same \u003cstrong\u003e10-year compressor \/ 5-year parts\u003c\/strong\u003e coverage. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIf 10-year parts coverage is offered through a particular program, distributor, or AirGreen registration, this condition should be clearly specified on the quote.\u003c\/p\u003e\n\u003ch3\u003eThe mistakes we seek to avoid with a ceiling cassette\u003c\/h3\u003e\n\u003ch4\u003eChoosing a cassette without inspecting the ceiling\u003c\/h4\u003e\n\u003cp\u003eVisible dimensions are not enough. Joists and mechanical services above the ceiling may prevent installation.\u003c\/p\u003e\n\u003ch4\u003eInstalling the cassette without planning the drain\u003c\/h4\u003e\n\u003cp\u003eImproper condensate drainage can cause ceiling damage.\u003c\/p\u003e\n\u003ch4\u003eOversizing to “cool faster”\u003c\/h4\u003e\n\u003cp\u003eAn oversized capacity does not automatically provide better comfort and can impair operation at partial load.\u003c\/p\u003e\n\u003ch4\u003eConfusing 9,000 nominal BTU with fixed capacity\u003c\/h4\u003e\n\u003cp\u003eThe cooling modulation range is from \u003cstrong\u003e3,700 to 13,600 BTU\/h\u003c\/strong\u003e, while the heating range reaches \u003cstrong\u003e5,100 to 15,700 BTU\/h\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eForgetting about access for maintenance\u003c\/h4\u003e\n\u003cp\u003eA cassette must be serviceable without having to dismantle a large portion of the ceiling.\u003c\/p\u003e\n\u003ch3\u003eWhy choose AirGreen for a SENVILLE 9,000 BTU cassette\u003c\/h3\u003e\n\u003cp\u003eA ceiling cassette requires more coordination than a standard wall-mounted heat pump.\u003c\/p\u003e\n\u003cp\u003eAt \u003cstrong\u003eAirGreen\u003c\/strong\u003e, we assess, among other things:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ethe room’s heating and cooling load;\u003c\/li\u003e\n\u003cli\u003ethe available ceiling space;\u003c\/li\u003e\n\u003cli\u003ethe structure;\u003c\/li\u003e\n\u003cli\u003ethe refrigerant line routing;\u003c\/li\u003e\n\u003cli\u003edrainage;\u003c\/li\u003e\n\u003cli\u003eelectrical supply;\u003c\/li\u003e\n\u003cli\u003ethe outdoor unit location;\u003c\/li\u003e\n\u003cli\u003eair distribution;\u003c\/li\u003e\n\u003cli\u003eaccess for maintenance;\u003c\/li\u003e\n\u003cli\u003eWiFi options and controls.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eWe carry out HVAC projects in \u003cstrong\u003eMontreal, Laval, Longueuil, the South Shore, the North Shore, and Montérégie\u003c\/strong\u003e, in both residential properties and commercial spaces where a ceiling cassette is a more logical solution than a wall-mounted unit.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSENVILLE SENA R454B 9,000 BTU\u003c\/strong\u003e combines a highly discreet indoor design, a \u003cstrong\u003eSEER2 of 22.6\u003c\/strong\u003e, an \u003cstrong\u003eHSPF2-4 of 12.1\u003c\/strong\u003e, inverter modulation, a minimum sound level of \u003cstrong\u003e26 dB(A)\u003c\/strong\u003e, R-454B, and heating operation down to \u003cstrong\u003e-30 °C\u003c\/strong\u003e. The manufacturer’s documentation confirms all of 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 9,000 BTU ceiling cassette air conditioner, to check whether your ceiling can accommodate this type of unit and to plan a complete HVAC installation in Montreal, Laval, Longueuil, the South Shore, or the North Shore.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Senville","offers":[{"title":"Default Title","offer_id":56120175558948,"sku":"SENA-09HF-OG","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/1694\/6724\/files\/00_CASSETTE_DE_PLAFOND_SENVILLE_AURA_9000_BTU_MONTREAL_LAVAL_LONGUEUIL_RIVE_SUD_RIVE_NORD.png?v=1789060301","url":"https:\/\/airgreen.ca\/en\/products\/climatiseur-cassette-de-plafond-senville-sena-r454b-9000-btu","provider":"AirGreen Climatisation \u0026 Chauffage \/ Air Conditioning \u0026 Heating","version":"1.0","type":"link"}