Precise comfort in a semi-open living room: a clean, quiet and calibrated installation for our winters
At AirGreen , we have just installed a Gree Clivia R32 wall-mounted heat pump – 12,000 BTU in a single-family home in the Chomedey sector (Laval) . The client's objective: to obtain discreet cooling in the summer and economical supplemental heating in the winter , without major work, for a semi-open living room communicating with a hallway and a games room. We recommended the Clivia R32 for its high efficiency, its sober finish, and its stability in heating in cold weather, perfectly suited to Greater Montreal .
The context: a living space that requires finesse and scope
The living room has an interior soffit/balcony above the load-bearing wall and close-set furniture (low sofa and power outlet at the foot of the wall). We are looking for:
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a linear air diffusion that does not directly hit the occupants;
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a centered and high position to exploit the axis of the corridor and promote reverse stratification in heating;
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a minimum sound level for watching television in the evening.
The interior head is installed under the soffit , ~180 cm from the floor and ~9–10 cm below the ceiling , which optimizes air intake and the opening of the shutter. The side clearances are respected to guarantee future access for maintenance (filter, turbine, evaporator).
Why the Gree Clivia R32 here?
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R-32 refrigerant : lower GWP than R-410A, better volumetric capacity and optimized heat exchanges.
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Inverter compressor : fine modulation, low consumption and stable temperature maintenance.
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High-performance winter range (down to −25°C depending on configuration): ideal for Montreal, Laval, Longueuil, North Shore and South Shore .
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Quiet : Very low interior noise level at automatic speeds – perfectly suited to living rooms.
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Aesthetics : rounded hood, discreet instruction display on the front, compatible with classic and modern decor.
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Smart control (remote control + Wi-Fi option): remote schedules and instructions, useful during extended absences.
HVAC Installation Details: Clean, Robust, and Reversible
Route of connections and drilling
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Single hole in the back of the unit, slightly angled outwards for safe gravity drainage .
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Short refrigeration line (insulated copper round trip) to minimize losses and optimize SEER/HSPF.
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Power/communication cable routed with links and capped to the exterior for a clean finish.
Condensate management
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Prioritized gravity evacuation : controlled slope from the interior tank to the exterior, without pump (less maintenance and zero additional noise).
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Non-return elbow and anti-freeze protection for the external section.
Fasteners and anti-vibration mounts
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Wall plate anchored in the frame (uprights) to absorb the forces during defrosting and compressor acceleration.
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Anti-vibration pads on the outer plate and isolation strips to cut off transmission in the structure.
Power supply
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Dedicated RBQ/CSA compliant circuit from main panel; breaker suitable for Clivia R32 nameplate – wiring sized for voltage drop and inverter start-up current.
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External service switch and waterproof box (if required) for safe maintenance.
Power-on settings and air balance
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Deep vacuum and leak test of connections; add refrigerant only if length exceeds factory charge .
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Shutter settings : horizontal orientation in air conditioning to sweep the living room and hallway; gentle downward tilt in heating to bring warm air to occupant height.
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Speed staggering in Auto mode to favor silence in the evening ; locking of comfort temperatures to avoid overconsumption.
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Condensate check under load: functional test after 20 minutes of operation, no backflow, continuous flow.
Results observed after commissioning
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Rapid reduction in perceived temperature in air conditioning mode; uniformity achieved without direct drafts on the sofa.
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In heating, the supply temperature stabilizes the space at the set point with few cycles thanks to modulation.
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Very low noise level : no disturbance during movies and video calls.
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The customer is already using time slots and Eco mode to reduce the bill.
Best practices we apply (and mistakes to avoid)
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Always favor gravity drain : less maintenance than a pump and zero risk of overflow in the event of a breakdown.
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Respect the upper clearances (≈ 10 cm minimum): mounting too close to the ceiling creates air recycling , reduces efficiency and clogs the filter.
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Avoid direct airflow onto the sofa to avoid discomfort and shutter noise.
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Controlled connection length : no need to wrap loops behind your head; every extra meter is a waste .
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Anticipate HVAC maintenance : easily accessible filters, side clearance for removing the hood, and screwed, not glued, exterior capping .
HVAC Maintenance and Longevity
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Filters : rinse every 6 to 8 weeks during use.
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Evaporator & turbine : annual professional cleaning recommended (gentle degreasing, controlled rinsing).
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Outdoor unit : In winter, keep snow/ice clear around the condenser, defrost unobstructed.
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Biannual electrical inspection : tightening terminals, insulation test if necessary.
Regular HVAC maintenance maintains efficiency , prevents odors and protects the inverter compressor .
Subsidies and energy efficiency
The Gree Clivia R32 belongs to the new generation of high-efficiency R-32 units . Depending on the configuration (capacity, SEER/HSPF ratings), it may be eligible for financial assistance programs in effect in Quebec for efficient units . We guide each customer to verify eligibility , prepare supporting documents and optimize the installation (length of connections, exact charge) in order to maximize savings .
AirGreen at your side throughout Greater Montreal
Our teams operate in Montreal, Laval, Longueuil, and on the North Shore and South Shore . We understand the real constraints of local homes : gypsum or brick walls, soffits, paths to side facades, attached garages, and flat roofs . Each HVAC installation is sized , tested , and documented so that you can take full advantage of your heat pump – quiet, economical, and durable.
In summary
This Gree Clivia R32 – 12,000 BTU wall-mounted heat pump installation in Chomedey (Laval) offers precise comfort , controlled consumption and careful integration into the living room. The customer benefits from a reliable four-season system, ready to face Quebec winters and summer heat waves , with simple maintenance and AirGreen service available at all times.