Living in the West Island, in Pierrefonds-Roxboro, means living in homes where comfort is largely determined by spacious layouts, frequently used patio doors, and rapid temperature fluctuations between morning, late afternoon, and evening. For this project, our AirGreen team installed aSharp wall-mounted heat pump (mini-split), designed to provide stable heating in winter and gentle cooling in summer , without compromising the room's aesthetics.
Upon arrival, the context was clear: a large, bright living area with a patio door opening onto the courtyard (typical of residential areas in the West Island), and a specific need for comfort — especially in areas near the windows, which are more susceptible to heat loss in the cold season.
A Sharp wall-mounted heat pump: the right size for everyday comfort
In a single-family home or a garden level, like many found in Pierrefonds-Roxboro, a wall-mounted heat pump is often the best compromise:
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Quick to heat and cool
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Very energy efficient
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Quiet (ideal for open areas)
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Precise temperature control
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Flexible installation, without major pipework
Here, the supplied brand is Sharp , and the installed system is part of a consistent line of Sharp wall-mounted heat pumps (we selected a Sharp ZU1 model as a realistic and common reference in this residential format). The key is a reliable system, adapted to the Quebec climate, and capable of maintaining stable comfort even when temperatures fluctuate rapidly.
Location choice: above the patio door, a strategic placement
The photo clearly shows the indoor unit installed above the patio door , near the ceiling. This is not by chance: this location serves several technical and practical purposes.
1) Improved air circulation
Installed high up, the wall-mounted fan head can project air more evenly throughout the room, especially in open-plan spaces (living/dining room). This helps reduce pockets of hot or cold air.
2) Compensation for heat loss near windows
Patio doors and large windows are often areas where one feels:
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drafts
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a local cooling in winter
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a one-off solar overheating in spring/summer
Placing the heat pump nearby helps to stabilize comfort exactly where the feeling is most demanding.
3) Aesthetics and circulation
Above the opening, we preserve:
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the main walls (furniture, TV, picture frames, etc.)
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the flow of traffic in the room
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the “clean” appearance of the installation, without visual obstructions
Visible installation details: finish, discretion, and logical connection
Even without seeing the outdoor unit, several salient features can be read directly from the photo, and it is precisely the details that make the difference between a “correct” installation and a truly neat one.
Connection cover (trunking) on the right: neat and discreet
To the right of the unit, a chute/cover is visible, which serves to protect and conceal:
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refrigeration connections (insulated copper)
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the communication/electricity cable
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the condensate drain (depending on the configuration)
This type of finish is particularly popular in residential settings because it provides a clean , easy-to-maintain and durable result.
Superior clearance and alignment
The unit is positioned with minimal but sufficient clearance below the ceiling, respecting airflow requirements (top/rear intake depending on the model). Horizontal alignment is also important: an uneven unit can complicate condensate drainage.
Condensate management: a key point
In cooling mode (and sometimes in defrost/heating mode), the heat pump produces water. At AirGreen, we pay particular attention to:
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a correct slope of the drain
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avoiding reverse slopes
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prevention of backflow/odours (depending on the outlet)
It's an invisible detail when everything is going well… but very noticeable when it's done poorly. Here, the placement near the patio door often helps simplify the path to the outside.
Performance and comfort: what the customer actually gains
A properly installed Sharp wall-mounted heat pump is not just about "heating and cooling". It's primarily about daily improvements in several areas.
More stable supplementary (or primary) heating
In many homes in Pierrefonds-Roxboro, electric baseboard heating is still used. A heat pump allows for:
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to reduce the bill by heating more efficiently
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to have a gentler and more constant warmth
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to avoid unpleasant temperature fluctuations
Comfortable air conditioning (without harsh drafts)
Recent models handle this better:
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modulation (instead of a simple ON/OFF)
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the direction of the airflow
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maintaining a stable temperature
Result: fewer “cold snaps”, more comfort, especially in a room where you spend a lot of time.
Air quality and tranquility
Another often underestimated advantage is silence . In a living room near a patio door, you want to enjoy the yard, entertain, watch TV, work… without excessive ventilation noise. A well-sized and well-positioned system helps enormously.
Our AirGreen best practices for this type of project (Pierrefonds-Roxboro)
Each house has its own particularities, but our method remains the same: to deliver an installation that is reliable in terms of performance, reliability, and finish .
Here's what we consistently prioritize on a Sharp wall-mounted heat pump:
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Realistic sizing (surface area, sunlight, insulation, volumes)
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Logical location for air diffusion and aesthetics
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Clean connection (trunking, controlled drilling, sealing)
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Vibration management on the external side (support, anchoring, protection)
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Complete tests : pressures, start-up, heating, air conditioning, drainage
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Explanation to the customer : remote control, modes, maintenance, best practices
Maintenance: How to protect the performance of a Sharp over the long term
In Montreal, the seasons put equipment to the test. To keep your Sharp wall-mounted heat pump performing well:
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Clean or rinse the filters regularly (especially during heating season)
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Keep the area uncluttered (curtains, furniture too close together)
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Perform a complete periodic maintenance : coils, tank, turbine, general checks
A good interview is:
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less odor
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less noise
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improved efficiency
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a longer lifespan
And above all: a heat pump that remains pleasant to use on a daily basis.
Conclusion: a simple, efficient installation, perfectly suited to residential areas in the west of the island
This installation in Pierrefonds-Roxboro illustrates exactly what we aim for at AirGreen: a Sharp wall-mounted heat pump installed in the right place, with a clean finish, intelligent air distribution, and a result that is both discreet and efficient.
If you are in the West Island (Pierrefonds, Roxboro, Pointe-Claire, Dollard-des-Ormeaux, Kirkland, etc.) and you want reliable comfort in summer as in winter, our team can guide you towards a Sharp solution adapted to your reality — without unnecessary oversizing, and with impeccable installation.