Installation of a Gree wall-mounted heat pump in Villeray–Saint-Michel–Parc-Extension
AirGreen installs a Gree wall-mounted heat pump in Villeray–Saint-Michel–Parc-Extension: an efficient and energy-efficient HVAC solution to improve comfort and reduce energy costs.
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.
A residential project focused on comfort and efficiency
In the dynamic Villeray–Saint-Michel–Parc-Extension neighborhood, we recently completed the installation of a Gree wall-mounted heat pump . This project perfectly illustrates the growing demand for compact and efficient HVAC solutions , particularly suited to Montreal apartments and plexes. The client was looking to improve the comfort of their home, while reducing their energy bills and taking advantage of subsidies available in the region.
The Gree wall-mounted heat pump was mounted high above a window, a strategic location that optimizes air circulation in the room. This type of installation maximizes the unit's performance while respecting the aesthetics of the interior space.
The technical characteristics of the installed Gree heat pump
Gree's wall-mounted range is renowned for its performance in northern climates, and this unit fits into that lineage. Highlights include:
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Efficient heating capacity down to -25°C , suitable for Montreal's harsh winters.
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Inverter technology allowing energy savings and power modulation according to actual needs.
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Multi-stage filtration for better indoor air quality.
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Reduced noise level , essential in a busy area where indoor calm is sought after.
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Eligibility for provincial and federal grant programs for high-efficiency systems.
The device is also Energy Star certified, which confirms its place among the most efficient solutions available on the Quebec market.
Challenges and solutions provided during installation
As is often the case in buildings in the Villeray–Saint-Michel–Parc-Extension sector, the walls have a mixed structure (concrete and brick). Our technicians addressed two main challenges:
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Precise drilling for the passage of refrigeration and electrical connections, without compromising wall insulation.
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Condensate management : installation of secure gravity drainage, avoiding any risk of water infiltration.
We also used discreet capping to protect the ducts while maintaining an aesthetic finish that matches the home. These adjustments ensure a reliable, quiet, and durable system.
Immediate benefits for the customer
The owner noticed several benefits from the first days of use:
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Improved comfort : stable and uniform temperature throughout the room.
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Energy savings : reduced heating and cooling costs compared to older electric systems.
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Ease of use : intuitive remote control with multiple modes (heating, air conditioning, dehumidification, ventilation).
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Peace of mind thanks to the manufacturer's warranty and maintenance follow-up offered by AirGreen.
Why choose AirGreen for your wall-mounted heat pump installations in Montreal?
At AirGreen, we understand that each property in Montreal, Laval, Longueuil, the North Shore, and the South Shore has its own unique challenges. Our expertise allows us to tailor our solutions:
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Customized analysis of thermal needs and home configuration.
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Recommendation of models suitable for available grants.
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RBQ certified installation , compliant with the strictest HVAC standards.
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Complete service from initial quote to annual maintenance.
Our interventions not only guarantee the technical performance of the equipment, but also the peace of mind of the customer who knows that their system is supported by local specialists.
Conclusion
This installation of a Gree wall-mounted heat pump in Villeray–Saint-Michel–Parc-Extension once again demonstrates our commitment to providing reliable and efficient HVAC solutions adapted to the Montreal lifestyle. Thanks to the combination of a quality product and technical expertise, the customer now enjoys optimal comfort, both winter and summer.
AirGreen , your trusted partner for all your heating, air conditioning and ventilation needs in Greater Montreal.
How it goes, from the first call to the end
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.
And 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.
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.
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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?
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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).