In the Plateau-Mont-Royal, comfort is never a luxury: it's a necessity. Between Montreal's humid summers, the temperature fluctuations in spring and fall, and the winters that put heating systems to the test, the neighborhood's condos and plexes need a reliable, efficient, and discreet solution. At AirGreen , we recently installed aSharp wall-mounted heat pump , a perfect choice for this type of urban dwelling.
The photo shows a Sharp indoor unit installed high up , just above a large patio door , in a bright room typical of Plateau apartments (an exterior metal staircase, very common in the backyards of duplexes, is also visible). This very strategic positioning allows for rapid cooling of the space in summer and more even heat distribution in winter.
A Sharp wall-mounted heat pump: the right size for an urban home
The system installed here is clearly a wall-mounted heat pump (mini-split/wall unit) . This type of equipment is particularly relevant in the Plateau-Mont-Royal area because it allows for:
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Heating and air conditioning with a single unit
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Excellent energy efficiency , even when the weather changes rapidly
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No additional ventilation ductwork required , ideal for condos or renovated multi-unit dwellings
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Quick comfort in open areas (living room/kitchen)
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Quiet operation , a welcome feature in densely populated residential areas.
In this project, the chosen model is consistent with the Sharp residential range: Sharp ZU1 (R-32) . Depending on the typical configuration (main living area + circulation to bedroom), a common sizing is around 12,000 to 18,000 BTU — here, the placement above the patio door corresponds very well to a strategy of covering the main area.
Why the Sharp ZU1 works so well in Montreal
A wall-mounted heat pump isn't judged solely on its "power." In the Plateau area, what people really want is:
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Stable comfort (no temperature fluctuations)
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Good heating performance to reduce the use of electric baseboard heaters
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Efficient air conditioning to counteract heat gain from large windows/patio doors
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A device that is discreet both visually and acoustically
The Sharp ZU1 meets these expectations well: it is designed for four-season use, with a modulation that helps maintain a constant temperature, and a very clean interior format, ideal for a main room.
Visible installation details: what makes this project “Plateau-proof”
1) Installation above the patio door: a smart choice
This type of location is excellent when it is well calculated. Why?
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The unit is centered on a natural air circulation zone
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She breathes freely in the room without being blocked by furniture.
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It helps to reduce the "heat wall" effect near glass surfaces in summer
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In heating mode, it promotes a longer diffusion time before the hot air descends.
At AirGreen, we always validate clearances: distance from the ceiling, distance from the side walls, and especially the direction of the blowing to avoid directing the air directly towards the occupants.
2) Typical constraints of a Plateau dwelling
In the plexes/condos of Plateau-Mont-Royal, you often find:
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Exterior walls to be crossed with care (brick, various materials)
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Backyards with metal staircases, balconies, narrow passageways
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A need for a clean and discreet installation, without "noisy cable trays"
Here, the result is clear: the unit is perfectly aligned, the integration is understated, and the placement respects the aesthetics of the room.
3) Drainage management (condensation)
In air conditioning systems, heat pumps naturally produce condensation. To avoid any surprises:
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the drain must have an adequate slope
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The flow of water must be designed to avoid backflow, odors, or stagnation.
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everything must remain accessible for maintenance
It's an invisible detail in a photo... but crucial for durability.
Our AirGreen approach: clean installation, real performance
Sizing (the real one)
You don't choose a Sharp knife "at random". You take into account:
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the actual area and layout
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insulation
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the presence of large glazed surfaces
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sun orientation
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Work habits (teleworking, night shifts, etc.)
Proper sizing is what prevents:
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cycles that are too short
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unnecessary noise
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overconsumption
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premature wear
Commissioning and settings
Once installed, the heat pump must be configured correctly:
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heating and air conditioning test
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stability validation
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fin and speed adjustment
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clear explanations to the customer (methods, realistic instructions, maintenance)
Our goal: for the customer to enjoy comfort from day 1, without any fumbling.
Simple tips to maximize comfort and efficiency
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In summer, maintain a stable temperature setting: the machine works better without extreme variations
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Use blinds/curtains during peak sunlight hours: you immediately reduce the load
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Clean the filters regularly: better airflow, cleaner air, lower energy consumption
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Schedule regular maintenance: a clean unit remains quiet and efficient.
Conclusion: a Sharp wall lamp perfectly suited to the Plateau
This Sharp ZU1 wall-mounted heat pump installation in Plateau-Mont-Royal illustrates exactly what we aim for at AirGreen: a well-chosen, well-positioned system, installed with a clean finish, for reliable comfort all year round.