In this residential project in Rosemont–La Petite-Patrie, we were called in to solve a very common problem: an upstairs bedroom that was always too hot in the summer and difficult to heat evenly in the winter. The ideal solution in this type of situation? A Gree wall-mounted heat pump dedicated to the room—discreet, quiet, and extremely efficient in all seasons.
Tailor-made comfort for an upstairs bedroom
The room to be air-conditioned is a closed bedroom, accessible via a narrow corridor. In summer, fresh air from the ground floor did not reach this area properly; in winter, the temperature varied from one end of the floor to the other.
We therefore recommended the installation of a Gree wall-mounted heat pump of approximately 9,000 BTU , perfectly sized for an average-sized bedroom. This type of unit offers:
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Excellent temperature control, degree by degree;
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Very quiet operation, essential for a bedroom;
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An efficient heating mode that reduces reliance on electric baseboard heaters;
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Optimized power consumption thanks to frequency inversion technology.
Strategic positioning of the Gree wall-mounted head
The central element visible in the photo is the Gree wall-mounted interior head unit , installed just above the door frame leading to the bedroom. This positioning is not accidental:
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It allows the treated air to diffuse both into the room and towards the corridor when the door is open;
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It makes maximum use of the available ceiling height, which improves air circulation and avoids direct drafts on the bed;
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It frees up the main walls of the room for furniture and decoration.
The finish around the door was meticulously executed, and the unit blends seamlessly with the existing woodwork. Visually, the heat pump remains discreet, while being ideally positioned to provide optimal comfort.
Careful management of refrigeration connections and drainage
On the right side of the unit, a white cover conceals the refrigerant lines, the communication cable, and the condensate drain. This finish choice allows for:
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To maintain a clean and minimalist look inside;
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To protect the ducts from shocks and dust;
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To guide the lines directly towards the outside wall, without unnecessarily crossing the room.
The condensate drain is installed with an adequate slope to ensure the evacuation of water produced in air conditioning mode, thus avoiding any risk of leakage or damp smell in the room.
The Gree outdoor unit is discreet and well-positioned.
Outside (not visible in the photo), the Gree compressor is installed in such a way as to:
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Minimize the transmission of vibrations to the structure of the house;
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Facilitate seasonal maintenance (cleaning, inspection);
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Protect the device from the accumulation of snow and ice typical of Montreal winters.
The whole system is connected to a dedicated electrical circuit, compliant with current standards, with an appropriate circuit breaker and an external circuit breaker for service interventions.
Four-season performance in the Montreal climate
A properly sized and installed Gree wall-mounted heat pump is a valuable asset in a neighbourhood like Rosemont–La Petite-Patrie, where buildings often combine multiple floors, closed rooms and significant heat gains in the summer.
For this family, the benefits are immediate:
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Summer : a cool room, even during heat waves, with a low noise level allowing for peaceful sleep;
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Autumn and spring : gentle, rapid heating without having to start up the entire house system;
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Winter : an efficient supplemental heating system that reduces electricity bills compared to baseboard heaters, while maintaining a stable temperature during cold nights.
The remote control and programmable modes allow you to adjust the temperature for the night, start a preheating before bedtime or reduce the setting during hours of absence.
Air quality and everyday comfort
Beyond temperature control, this Gree installation also improves the overall comfort of the room:
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Integrated filtration that traps dust and fine particles;
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Improved air circulation, which reduces stagnant areas and the feeling of "heavy" air;
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Precise control of relative humidity in air conditioning mode, for a healthier environment.
Thanks to the high positioning and orientation of the shutters, the air is blown towards the center of the room and then gently descends, eliminating the sensation of a direct draft on the occupants.
AirGreen: your Gree expert in Rosemont–La Petite-Patrie
At AirGreen, we install and maintain Gree wall-mounted heat pumps daily throughout Greater Montreal. Our approach is based on:
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A precise analysis of the volumes to be processed and the configuration of the rooms;
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A rigorous sizing of the capacity in BTU;
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A meticulous installation , both technically and aesthetically;
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An accessible and responsive after-sales service for annual maintenance and performance monitoring.
Whether you wish to air-condition a single room, an entire floor, or multiple areas of your home, we will assist you from equipment selection to commissioning, including information on available subsidy programs when applicable.
Conclusion: a small unit, a big impact on comfort
This Gree wall-mounted heat pump installation in Rosemont–La Petite-Patrie perfectly illustrates what we love to achieve: a simple, well-thought-out solution that tangibly transforms the comfort of a key room in the house. A discreet unit above a door, neatly concealed connections, a compressor conveniently positioned outside… and a bedroom that finally becomes comfortable year-round.
If you live in Rosemont–La Petite-Patrie or elsewhere in Greater Montreal and you have a room that is always too hot or too cold, our team will be happy to offer you a Gree solution tailored to your situation.