Installation of a GREE LIVO R32 Wall-Mounted Heat Pump — Mini Split Air Conditioner in Île-Bizard–Sainte-Geneviève, Montreal
AirGreen installs a GREE LIVO R32 wall-mounted heat pump in Île-Bizard–Sainte-Geneviève: compact mini split, clean finish, effective comfort, and local HVAC expertise.

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 compact and strategic installation above an interior opening
For this HVAC installation in Île-Bizard–Sainte-Geneviève, our AirGreen team installed a GREE LIVO R32 wall-mounted heat pump, a mini split system designed to offer both efficient cooling in summer and effective supplementary heating during cold periods. The project stands out for a particularly precise location: the indoor unit was installed above an interior opening, in an area where the available wall space was limited by moldings, low ceilings, and the existing house layout.
This type of installation requires more than just a simple wall mount. In a residence where every inch counts, especially in a residential area like Île-Bizard–Sainte-Geneviève, the orientation of the airflow, available height, proximity to doors, air circulation, and discreet routing of ducts must be evaluated. The goal was clear: to integrate a GREE wall air conditioner in a clean, functional, and durable way, without interfering with the daily use of adjacent rooms.
A choice suited to a house with space constraints
In the project photo, you can see a very tight and well-aligned installation, just above the framing of a door. This positioning was not chosen by chance. In many homes in Montreal, especially in the more established neighborhoods of the West Island, available walls are often fragmented by doors, windows, cabinets, soffits, or ceiling changes. A wall-mounted heat pump must still be placed to distribute air well without creating direct discomfort.
In this specific case, the GREE LIVO R32 was positioned to project air towards an open passage area, allowing better diffusion to adjacent rooms. The unit also had to respect a sufficient technical margin around it to ensure:
- good air return;
- convenient access to filters for HVAC maintenance;
- reliable condensate drainage;
- a solid attachment to an adequate structure;
- an acceptable clearance under the ceiling;
- an aesthetic finish compatible with the existing interior.
It is often these details that make the difference between a simply functional installation and a truly professional one.
Why the GREE LIVO R32 was suitable for this project
The GREE LIVO R32 is a popular solution for residential projects seeking a balance between comfort, efficiency, and ease of use. It is part of the modern wall systems using the refrigerant R32, known for its energy efficiency and reduced environmental impact compared to some older refrigerants used in the industry.
For homeowners, the main advantage of a system like this lies in its versatility. In cooling mode, it quickly cools targeted areas of the house. In heating mode, it can provide effective supplemental heat during intermediate seasons and help reduce the use of more energy-intensive systems, depending on the home's configuration and usage habits.
In this project in Île-Bizard–Sainte-Geneviève, the exact capacity of the unit was selected based on the actual needs of the residence: served area, insulation, sun exposure, air circulation, number of openings, and interior layout. At AirGreen, we avoid recommending capacity based solely on a quick estimate of the area. An undersized system will run too long without reaching the desired comfort, while an oversized unit can cause short cycles, poorer dehumidification, and premature wear.
A millimeter-precise installation in a narrow architectural area
One of the main challenges of this installation was the limited clearance between the top of the door frame and the ceiling. The unit had to be installed high enough to clear the passage space but not too close to the ceiling to maintain good air circulation above the device. It was also necessary to deal with wall angles, ceiling returns, and the presence of existing moldings.
Our technicians first validated the location considering the wall structure, the path of the refrigerant lines, and the necessary slope for the drain. Positioning a wall-mounted heat pump above an opening requires special attention, as the space behind the wall may contain structural elements, closer studs, wiring, or unexpected obstacles. A poor decision at this stage can lead to vibrations, a less clean finish, or problematic drainage.
The indoor unit was precisely leveled to avoid any drainage issues. On a wall system, even a slight slope error can cause water noises, backflows, or leaks. That is why every AirGreen installation includes a complete check of the condensate drainage before commissioning.
A discreet finish to preserve the interior appearance
Visual integration was important in this project. The unit is placed in a space visible daily, near an interior door and a circulation area. The finish had to be neat: clean alignment, unit centered in the available space, pipes hidden as much as possible, and no unnecessary visual clutter.
This attention to detail is essential in wall air conditioning projects in Montreal, especially when the installation is done in already furnished homes. The client does not just want a system that works; they want a result that integrates into their interior. The GREE LIVO R32, with its sleek wall format and white front, suited this setup well.
Our approach is always to plan the installation as a whole: the indoor unit, the routing of pipes, the location of the outdoor unit, the electrical connection, drain management, external protections, and commissioning. A beautiful indoor unit loses value if the rest of the installation is not designed with the same level of rigor.
What this installation reveals about good HVAC planning
Comfort does not depend solely on the brand
The brand and model are important, but they are not enough to guarantee a good result. A well-selected and well-installed GREE LIVO R32 can offer excellent comfort, but its actual performance directly depends on the quality of the installation. The positioning of the indoor unit, the length of refrigerant lines, the quality of the vacuum, the tightness of the connections, the slope of the drain, and the commissioning parameters all influence performance.
In this residence in Île-Bizard–Sainte-Geneviève, the installation had to allow comfortable air distribution without unpleasant blowing directly toward a sensitive area. Our technicians therefore assessed the natural angle of air projection and the effect of open or closed doors on circulation. This kind of analysis is especially useful in homes where rooms are not completely open.
Common mistakes to avoid during a wall installation
A mini split air conditioner installation may seem simple at first glance, but several common mistakes often occur when the project is poorly planned.
Installing the unit too close to the ceiling
A wall unit needs space to draw air from the top. If it is installed too close to the ceiling, air intake becomes less effective, the unit may work harder, and comfort may be less stable.
Neglecting drainage
The condensate drain must be designed with a reliable slope. In tight indoor installations, this point becomes even more important. A poor slope or a poorly planned route can cause humidity problems.
Choosing a capacity without serious calculation
A device that is too large or too small causes comfort, noise, humidity, or consumption problems. At AirGreen, we assess the actual configuration of the residence before recommending a capacity.
Placing the unit only for appearance
Aesthetics matter, but airflow and circulation must remain priorities. A unit perfectly centered on a wall can be poorly placed if it blows directly toward an uncomfortable area or does not serve the intended space well.
The importance of an experienced local installer
AirGreen regularly works in Montreal, Laval, Longueuil, on the North Shore and on the South Shore for installations of wall-mounted heat pumps, central systems, multi-zone systems, and HVAC solutions adapted to existing residences. This local experience allows us to anticipate the constraints specific to Quebec houses: old framing, irregular walls, difficult exterior access, distant electrical panels, condominiums with strict rules and aesthetic requirements.
In Île-Bizard–Sainte-Geneviève, projects can also have specific features related to single-family homes, extensions, finished basements, and living spaces spread over multiple zones. A good installation therefore requires a full reading of the building, not a standardized approach.
A complete commissioning after installation
Once the device is fixed and connected, our work does not stop. The commissioning includes several essential checks:
- checking the tightness of connections;
- proper vacuuming of refrigerant lines;
- validating drainage;
- checking operation in cooling mode;
- checking operation in heating mode;
- checking for noises and vibrations;
- explanation of the main functions to the customer;
- filter maintenance tips and seasonal use advice.
These steps are essential to ensure the durability of the device. A well-installed GREE LIVO R32 heat pump can provide stable comfort for many years, but it must be properly maintained. Regular filter cleaning, periodic inspection of the outdoor unit, and professional HVAC maintenance help preserve performance.
Grants and potential eligibility
Depending on the exact model, installed capacity, AHRI number, and criteria in effect at the time of installation, a wall-mounted heat pump may be eligible for certain financial aid programs in Quebec. At AirGreen, we help our clients understand the necessary documents, information to keep, and steps to follow after installation.
It is important not to rely solely on the commercial name of a device. Eligibility generally depends on the complete combination of the indoor unit, outdoor unit, capacity, certified performance, and program requirements. That’s why we always recommend verifying the details of the installed system before submitting an application.
Final result: improved comfort without compromising space
The result of this installation in Île-Bizard–Sainte-Geneviève clearly illustrates what we look for in a residential project: an effective, clean, well-positioned solution adapted to the reality of the home. The GREE LIVO R32 was integrated into a tight space above an interior opening, while maintaining a sleek appearance and practical access for maintenance.
For the client, the advantage is clear: better temperature control, a discreet wall-mounted solution, simple use, and an installation designed to last. For our team, this project once again confirms the importance of careful planning in installations where available space is limited.
Why call on AirGreen for a GREE LIVO R32 installation
Choosing AirGreen means entrusting your project to a team that understands the realities of residential buildings in Greater Montréal. We don’t just install a device; we analyze the space, air circulation, architectural constraints, client needs, and the manufacturer’s technical requirements.
Whether the project is located in Montréal, Laval, Longueuil, on the North Shore, on the South Shore, or in Île-Bizard–Sainte-Geneviève, our priority remains the same: to offer a reliable, aesthetic, and high-performance HVAC installation. The GREE LIVO R32 installed here is a good example: a well-chosen system, installed with precision, in an environment where every detail mattered.
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.
What the unit delivers when it is cold
The range as published on airgreen.ca: pick a size to see its capacity in deep cold.
| Size | Heating at −8 °C | Heating at −15 °C | Coldest certified point | COP at −15 °C | SEER | HSPF | Indicative LogisVert aid |
|---|---|---|---|---|---|---|---|
| Gree Livo R32 9 000 (115 V) | 10,000 | 7,600 | −25 °C: 5,700 | 1.86 | 20.5 | 8.8 | – |
| Gree Livo R32 9 000 | 9,600 | 7,600 | −25 °C: 5,500 | 1.94 | 20.5 | 8.8 | – |
| Gree Livo R32 12 000 (115 V) | 9,700 | 8,500 | −25 °C: 6,500 | 1.75 | 19.0 | 8.5 | – |
| Gree Livo R32 12 000 | 9,700 | 9,100 | −25 °C: 6,500 | 1.8 | 19.0 | 8.5 | $1,164 |
| Gree Livo R32 18 000 | 15,300 | 12,100 | −25 °C: 10,200 | 1.85 | 20.0 | 8.5 | $1,836 |
| Gree Livo R32 24 000 | 19,200 | 15,700 | −25 °C: 10,500 | 1.75 | 19.0 | 8.5 | $2,304 |
| Gree Livo R32 30 000 | 24,000 | 23,000 | −25 °C: 16,900 | 1.8 | 22.0 | 9.0 | $2,880 |
| Gree Livo R32 36 000 | 27,400 | 24,600 | −25 °C: 21,000 | 1.8 | 21.0 | 8.5 | $3,288 |
According to NEEP, it delivers 10,000 BTU/h at −8 °C (17 °F), as much as at 8 °C. It heats as hard in moderate cold as in mild weather.
According to NEEP, its certified maximum capacity at −25 °C (−13 °F) is 5,700 BTU/h, 63% of its nominal 9,000 BTU size.
At 8 °C, its certified maximum capacity reaches 13,300 BTU/h, 48% more than its nominal 9,000 BTU size.
According to NEEP, its COP at −15 °C is 1.94: the highest of the Livo R32 line, which ranges from 1.75 to 1.86 at that temperature.
According to NEEP, its certified maximum capacity at −25 °C (−13 °F) is 5,500 BTU/h, 61% of its nominal 9,000 BTU size.
At 8 °C, its certified maximum capacity reaches 13,136 BTU/h, 46% more than its nominal 9,000 BTU size.
According to NEEP, it delivers 8,500 BTU/h at −15 °C, against 9,100 for the Gree Livo R32 12 000.
At −25 °C, its certified minimum capacity is 1,800 BTU/h (3,070 at 8 °C). It slows down instead of cycling on and off.
According to NEEP, its certified heating capacity at −15 °C (5 °F) is 8,500 BTU/h, 71% of its nominal 12,000 BTU size. Its COP there is 1.75.
According to NEEP, it delivers 9,100 BTU/h at −15 °C, against 8,500 for the Gree Livo R32 12 000 (115 V).
At −25 °C, its certified minimum capacity is 1,800 BTU/h (3,070 at 8 °C). It slows down instead of cycling on and off.
According to NEEP, its certified heating capacity at −15 °C (5 °F) is 9,100 BTU/h, 76% of its nominal 12,000 BTU size. Its COP there is 1.80.
At 8 °C, its certified maximum capacity reaches 22,500 BTU/h, 25% more than its nominal 18,000 BTU size.
According to NEEP, its certified minimum capacity is at least 7,000 BTU/h at every temperature. In a small, well-insulated room it will cycle on and off more often: size it carefully.
According to NEEP, its certified heating capacity at −15 °C (5 °F) is 12,100 BTU/h, 67% of its nominal 18,000 BTU size. Its COP there is 1.85.
At −25 °C, its certified minimum capacity is 3,100 BTU/h (5,800 at 8 °C). It slows down instead of cycling on and off.
According to NEEP, its certified heating capacity at −15 °C (5 °F) is 15,700 BTU/h, 65% of its nominal 24,000 BTU size. Its COP there is 1.75.
According to NEEP, its certified heating capacity at −15 °C (5 °F) is 23,000 BTU/h, 77% of its nominal 30,000 BTU size. Its COP there is 1.80.
According to NEEP, its COP at −25 °C is 1.54: the highest of the Livo R32 line, which ranges from 1.30 to 1.52 at that temperature.
At −25 °C, its certified minimum capacity is 7,000 BTU/h (10,000 at 8 °C). It slows down instead of cycling on and off.
According to NEEP, its certified heating capacity at −15 °C (5 °F) is 24,600 BTU/h, 68% of its nominal 36,000 BTU size. Its COP there is 1.80.
Data read live from the airgreen.ca page of each size (NEEP / AHRI certified performance). When the title names the installed size, it is highlighted; otherwise the whole range is shown. The aid shown is today’s, using Hydro-Québec’s rule ($120 per 1,000 BTU/h at −8 °C); amounts quoted in the article date from its publication. Only Hydro-Québec confirms the assistance granted.A dash in the aid column: amount to be confirmed for this model.
And at your place?
Two quick checks with real numbers: what heat costs, and what your current heaters add up to in BTU/h.
Baseboards and electric furnaces turn 1 kWh of electricity into 1 kWh of heat. A heat pump delivers more: that is its COP. At Hydro-Québec’s rate D (11.142¢/kWh above 40 kWh a day, since 1 April 2026):
Hydro-Québec: a heat pump can be up to three times more efficient than baseboards for heating in the colder months.
Estimate per kWh of heat, at the chosen temperature, using the certified COP from the product page. Taxes, access charge and backup heat not included.
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?
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Are there grants?
Do I need a permit?
How cold can it heat?
How much can I save?
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Is it noisy?
The outdoor unit is covered in ice: is that normal?
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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).
