Installation of a Gree FreeMatch wall-mounted heat pump in Mercier–Hochelaga-Maisonneuve
AirGreen installed a Gree FreeMatch wall-mounted heat pump in Mercier–Hochelaga-Maisonneuve, providing comfort, energy efficiency and discreet integration into a Montreal professional space.
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.
As part of a recent project in Mercier–Hochelaga-Maisonneuve , our AirGreen team installed a Gree FreeMatch wall-mounted heat pump in an office environment located in the heart of Montreal. This type of space, often found in existing buildings, requires efficient, discreet, and seamlessly integrated HVAC solutions—exactly what the Gree FreeMatch line offers.
A typically Montreal context, well handled
The installation was carried out in an interior space with a suspended ceiling and a classic wall configuration, very common in offices and commercial spaces in Mercier–Hochelaga-Maisonneuve. The wall chosen for the indoor unit offered:
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sufficient height for optimal air diffusion;
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unobstructed access to facilitate future maintenance;
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an aesthetic integration without visual impact on the existing layout.
The presence of an acoustic ceiling and finished walls required careful installation of the refrigerant lines and condensate drain to maintain the professional appearance of the space. Our installers paid particular attention to the alignment of the wall unit and the discreetness of the penetrations.
Type of system installed
This is a wall-mounted heat pump (mini-split) , an ideal configuration for spaces without existing ductwork. This type of system allows for:
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precise temperature control by zone;
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a quick and minimally invasive installation;
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excellent energy efficiency in both heating and air conditioning.
Brand and model: Gree FreeMatch
According to the information provided, the installed brand is Gree , more specifically a Gree FreeMatch system. This range is known for its flexibility, as it allows one or more indoor units to be powered from the same outdoor unit, depending on the chosen configuration.
In this project, the choice of the Gree FreeMatch was obvious for several reasons:
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compatibility with modular professional spaces;
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quiet operation, essential in the workplace;
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modern technology offering excellent temperature stability;
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Proven reliability in the Quebec climate.
Although the exact model of the wall head is not explicitly identifiable visually, the assembly perfectly matches a new generation Gree FreeMatch wall-mounted heat pump , suitable for the residential and light commercial needs of Greater Montreal.
Prominent installation details observable
Several elements visible in the photo confirm a professional installation that complies with AirGreen's best practices:
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Wall unit installed at a height , promoting uniform air distribution;
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Temporary protection on the device , indicating recent commissioning and a concern for cleanliness;
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Secure fixing to interior wall , without vibration or sagging;
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A properly oriented condensation drain is essential to prevent any infiltration or internal damage;
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Clear access for maintenance , a crucial point in an office environment.
The entire installation has been designed to offer immediate comfort, while minimizing the impact on the daily activities of the occupants.
Performance and everyday comfort
The Gree FreeMatch wall-mounted heat pump offers a versatile solution, perfectly suited to Montreal's climatic realities:
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Effective cooling in summer , even during heat waves;
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Stable and economical heating during the cold seasons , ideal for the shoulder seasons and Quebec winters;
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Reduced energy consumption , compared to traditional electrical systems;
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Improved thermal comfort , without excessive noise or unpleasant drafts.
Why trust AirGreen in Mercier–Hochelaga-Maisonneuve?
At AirGreen , we are intimately familiar with the constraints of Montreal buildings, whether residential, office, or light commercial. Each installation is:
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analyzed according to the actual context of the building;
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carried out by qualified and experienced technicians;
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Optimized for performance, durability and aesthetics.
Our turnkey approach ensures our clients in Mercier–Hochelaga-Maisonneuve complete peace of mind, from system selection to commissioning.
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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Every house has its constraints. We see them before we install.
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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).