Installation of a Zephyr wall-mounted heat pump in Villeray–Saint-Michel–Parc-Extension (Montreal)
Discover this AirGreen installation of a Zephyr wall-mounted heat pump in Villeray–Saint-Michel–Parc-Extension: elegant indoor unit, uniform air distribution and optimal comfort for an urban Montreal home.
Take a tour of the installation
Each number is a point we check on site. Switch between summer and winter to watch air and heat move.
In summer, the outdoor unit rejects the house's heat outside.
Generic illustration of this type of installation, not a survey of this job site. Tap a number.
Mounted level on a wall plate, high enough for the air to reach the whole room, with enough space around it to slide the filters out easily.
The refrigerant lines, the communication cable and the drain go through the wall in a single opening, sealed against water, cold air and insects.
Two insulated copper pipes connect the two units. Outside, a line cover can protect them from sun, knocks and weather.
A shut-off switch near the outdoor unit isolates it safely for service. It must stay accessible at all times.
The compressor and the fan. In heating mode it captures heat from the outdoor air, even in winter, and moves it inside.
On the ground or on the wall, it keeps the unit above accumulated snow. The unit stays clear and defrost water can drain away.
The fan needs to blow freely. Storage, a fence or a wall too close, and efficiency drops while noise goes up.
In Villeray–Saint-Michel–Parc-Extension , many bright apartments feature standard ceilings and are often renovated to improve comfort without adding weight to the existing structure. It is precisely in this residential context that AirGreen installed the system shown here: a Zephyr wall-mounted heat pump , perfectly integrated into the interior space and designed to provide consistent, discreet, and energy-efficient comfort year-round.
A wise choice: the wall-mounted heat pump for targeted comfort
The installed system is a wall-mounted heat pump (mini-split) , a format very popular in Montreal apartments and houses. This type of unit allows for efficient air conditioning in the summer and heating during the shoulder seasons, or even in the depths of winter depending on usage, while avoiding the major work associated with central systems.
With a wall-mounted heat pump, occupants benefit from:
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precise temperature control in the main room;
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quiet operation , ideal for a living space or bedroom;
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of better energy efficiency , compared to portable solutions;
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with a discreet design , which blends naturally into a modern residential setting.
Brand and model: Zephyr, a reliable and consistent solution
The Zephyr brand , supplied manually and used as the main reference, is recognized for offering reliable wall systems, well adapted to the climatic realities of Quebec.
Although the exact model cannot be identified with certainty from the interior photo, the unit clearly corresponds to a new generation Zephyr wall-mounted heat pump with an inverter compressor, designed for urban residential use.
This type of model is particularly relevant in Villeray:
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for its compactness ;
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for its clean aesthetic ;
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for its ability to blend in without visually overwhelming the room.
Interior installation details: simplicity, precision, and integration
The interior installation reveals several key elements that demonstrate meticulous workmanship.
1) Positioning at a height, near the ceiling
The wall unit is installed high on the wall , near the ceiling, which promotes:
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uniform air distribution throughout the room;
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improved thermal stratification ;
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a more stable comfort, without direct drafts.
2) Discreet integration into a corner of the room
The choice of wall and corner allows for:
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to maximize living space ;
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to avoid any visual discomfort;
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to maintain harmony with the existing windows and layout.
3) Clean and minimalist finish
No visible cable trays or superfluous elements distract the eye. The result:
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a clean installation ;
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a virtually invisible visual presence;
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a professional finish that respects the residential decor.
4) Adjustable and quiet airflow
The lower flap is designed to direct airflow in a controlled manner. In practice, this means:
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a quick refreshment in summer;
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gentle heating in the cold season;
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discreet operation, ideal for everyday urban life.
A system perfectly suited to Montreal life
In a densely populated area like Villeray–Saint-Michel–Parc-Extension, a precisely installed Zephyr wall-mounted heat pump offers many tangible advantages:
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constant thermal comfort , even during heat waves;
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reduction in electricity consumption , compared to baseboards alone;
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improved quality of life , without compromising on space;
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sustainable solution , compatible with residential energy efficiency objectives.
The AirGreen approach: much more than just an installation
At AirGreen , every project is considered as a whole. For this type of indoor installation, our priority is to deliver:
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a perfectly sized system;
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an aligned, stable and durable installation;
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an aesthetic and functional result;
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immediate comfort, without any improvised adjustments afterwards.
Even when it is a single wall unit, we apply the same quality standards as for the most complex projects.
The result: comfort, discretion, and peace of mind
Once operational, this Zephyr wall-mounted heat pump provides occupants with:
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a pleasant temperature in all seasons ;
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a simple and intuitive control ;
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A device that you forget you're even using... while working efficiently.
This is exactly what many Montreal residents are looking for: a reliable, quiet solution that is well integrated into their daily lives.
The big day, step by step
The main steps of this kind of job at AirGreen. Every house has its quirks: the estimate brings them out.
We look at the room, the outside wall, the line route and where the outdoor unit will go. That is where the capacity gets chosen.
Model, capacity and price, in writing. We also check whether the model qualifies for assistance programs.
Floors and furniture protected, wall plate position marked level, wall opening located.
A single opening, with the slope the drain needs to flow outside.
Set on a stand raised above the snow, with the clearances the manufacturer requires.
Connected, insulated and protected. The opening is then sealed against water, cold air and insects.
A dedicated circuit and an accessible disconnect near the outdoor unit.
Leak test, vacuum, then start-up and a check of heating and cooling.
Remote, modes, filters: we show you the essentials before we leave.
- The on-site estimateWe look at the room, the outside wall, the line route and where the outdoor unit will go. That is where the capacity gets chosen.
- The quoteModel, capacity and price, in writing. We also check whether the model qualifies for assistance programs.
- Getting readyFloors and furniture protected, wall plate position marked level, wall opening located.
- The wall openingA single opening, with the slope the drain needs to flow outside.
- The outdoor unitSet on a stand raised above the snow, with the clearances the manufacturer requires.
- Lines, cable and drainConnected, insulated and protected. The opening is then sealed against water, cold air and insects.
- The electrical workA dedicated circuit and an accessible disconnect near the outdoor unit.
- Tests and start-upLeak test, vacuum, then start-up and a check of heating and cooling.
- The walkthroughRemote, modes, filters: we show you the essentials before we leave.
What would it look like at your place?
Two quick checks with real numbers: what heat costs, and what your current heaters add up to in BTU/h.
Conversion: 1 W = 3.412 BTU/h. An indication, not a load calculation: baseboards and furnaces are often stronger than the real need, and they can stay as backup. AirGreen confirms the capacity on site.
Four mistakes we do not make
Flip each card to see what we do instead.
Your own project, step by step
What to do, season by season
Three habits per season for this unit. They take a few minutes and prevent many calls.
- Clean the indoor unit's filters.
- Clear leaves and debris left on the outdoor unit by winter.
- Test cooling before the first hot days.
- Clean the filters more often when the unit runs a lot.
- Keep plants away from the outdoor unit.
- Check that no water drips from the indoor unit.
- Rake the leaves around the outdoor unit.
- Test heating before the first cold days.
- Book periodic maintenance before winter.
- Keep snow away from the stand and the front of the unit.
- Let the unit defrost: it is normal.
- Never hit the ice on the fins; call us if the unit stays iced up.
Is your home ready?
Check what applies at your place. A "no" is not a refusal: it is what we sort out during the estimate.
Four statements: true or false?
It all comes down to details you have just seen.
1. In heating mode, the outdoor unit can produce water.
During defrost cycles. That water must drain away without forming ice.
2. You pick the capacity with a simple square-footage rule.
Windows, insulation, orientation and how the room is used all count. Capacity is chosen on site.
3. A multi-zone connects several indoor heads to a single condenser.
One head per room, all on the same condenser. Each room keeps its own temperature.
4. The disconnect can sit behind the patio furniture.
It must stay accessible: it is what shuts the unit off for service.
0 / 4 right answers
What people ask us about this kind of work
Does a wall-mounted heat pump heat in winter?
Wall-mounted or multi-zone: how do I choose?
Where does the outdoor unit go?
Are there grants?
Do I need a permit?
How cold can it heat?
How much can I save?
How is the LogisVert assistance calculated?
Is it noisy?
The outdoor unit is covered in ice: is that normal?
Does AirGreen hold the required licences?
Is the estimate free?
No question matches. Write to us: we answer.
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Text and photo: a real AirGreen Climatisation & Chauffage job. The diagrams are generic illustrations of the type of installation, not a survey of this job site. Sources of the added figures: airgreen.ca product pages (NEEP / AHRI performance), Hydro-Québec (Heat pumps page, LogisVert, read on 13 October 2026), Régie de l’énergie (rate D as of 1 April 2026).