In many parts of Montreal, outdoor space is precious: narrow streets, compact backyards, balconies, and staircases all share the same volume. It was precisely in this type of configuration that we installed a Zephyr wall-mounted heat pump in the Southwest borough . The goal: to provide year-round comfort (air conditioning in the summer, efficient heating in the shoulder seasons and winter) while respecting the constraints of a typical brick building on the Island of Montreal.
A discreet system, designed for Montreal residential use
The installed system is a Zephyr brand wall-mounted heat pump (mini-split/wall unit) . The compact outdoor unit, designed to supply an indoor wall-mounted unit (not visible in the photo), is clearly visible, making it ideal for duplex/triplex dwellings and townhouses.
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No large network of conduits required
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Rapid increase in comfort in the main living areas
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Good energy efficiency , particularly when replacing older electric space heaters or a window air conditioner
Regarding the model, the photo does not allow for a reliable reading of the nameplate. We therefore deliberately remain consistent and cautious: this is a Zephyr “new generation” wall-mounted heat pump , in a compact residential format (often chosen for needs of 9,000 to 18,000 BTU depending on the surface area, sunlight and insulation).
Location selection: optimizing space without compromising performance
In this installation, the outdoor unit is mounted on wall brackets , under an overhang/balcony and against a brick facade . This choice is common in Montreal, and it addresses several realities:
1) Clear the courtyard and avoid passageways
In a shared or narrow backyard, placing a unit on the ground can create conflicts of use (traffic, bicycles, bins, snow removal). Wall mounting allows you to keep the ground clear .
2) Reduce the risks associated with snow and ice
In winter, snow and ice buildup can impede airflow and compromise the stability of a ground-based unit. Elevating the unit improves its resilience during the cold season—a particularly important consideration in Greater Montreal.
3) Partially protect the equipment
The overhang provides additional protection against direct rain and some debris, without completely enclosing the unit. At AirGreen, we always emphasize the same principle: protect, yes—but never suffocate . A heat pump needs clearance and good airflow to maintain its performance.
Prominent installation details visible in the photo
While a photo doesn't tell the whole story, we can confirm several typical elements of a well-executed installation:
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Sturdy wall mount : the metal structure is sized to keep the unit stable and reduce movement.
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Service access : the location allows access to the fittings and the technical area for maintenance (pressure, diagnostics, etc.).
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Insulated refrigerant lines : we see the pipes (lines) with insulation, essential to limit losses, avoid condensation and protect efficiency.
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Cable management : Power and communications are routed neatly to minimize exposure to the elements and maintain a tidy finish.
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Height and clearance : the unit is not glued to the ground, which also helps with leaves, dust and debris.
These are details that seem simple, but make a big difference to the lifespan of the equipment, the noise level , and the ease of maintenance year after year.
Typical constraints of a brick building: what we take care of
Installing a heat pump on a brick wall, especially under a balcony, requires special attention. At AirGreen, we work with methods adapted to the realities of Montreal residential buildings:
Secure and vibration-resistant mounting
Brick and masonry require proper fixing. We prioritize anchors and an installation method that aim for two objectives: strength and vibration reduction . The result: quieter operation and a more comfortable installation for occupants.
Drainage and condensation: preventing “surprises”
In cooling mode, a heat pump generates condensation (inside, via the wall unit). Outside, there may also be water due to defrosting in winter. A well-designed installation includes realistic water management, avoiding areas where it could cause problems (walkways, sensitive areas, neighboring properties).
Clearances and air circulation
Under an overhang, particular attention must be paid to clearances. We ensure that the unit breathes properly: air intake , air exhaust , and space to prevent the recirculation of hot/cold air which would reduce efficiency.
Comfort, performance and savings: what to expect with a Zephyr wall-mounted unit
A properly sized and installed Zephyr wall-mounted heat pump can transform everyday life:
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Summer : stable air conditioning, without the noise and discomfort of window units
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Mid-season : very efficient heating, often more economical than electric baseboard heaters alone.
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Winter : maintaining comfort with intelligent heating management (and normal defrost cycles for this type of appliance)
And above all: comfort is not just “temperature”. It is also consistency, noise level, ambient air quality (less excessive humidity in summer), and the overall feeling of a home becoming more pleasant to live in.
Why installation matters as much as brand
Two identical houses can have completely different results with the same machine, simply because of the installation. That's why, at AirGreen, we focus on:
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The right positioning (performance + maintenance + neighborhood)
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The quality of the fittings (sealing, reliability, durability)
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The finish (cleanliness of the line transitions, exterior aesthetics, protection of the components)
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The “Montreal” logic : snow, ice, temperature fluctuations, tight backyards
This approach reduces the risk of problems, optimizes efficiency, and ensures peace of mind for the client.
Conclusion: a Zephyr solution perfectly suited to the Southwest
This installation perfectly illustrates what's sought after in the Southwest: a Zephyr wall-mounted heat pump installed intelligently, compactly, and in harmony with the local architecture. A well-thought-out wall mounting, a protected location under the balcony, and a clean finish: everything is in place for reliable comfort, summer and winter.