Installation of a Gree Extreme Wall-Mounted Heat Pump in Ahuntsic-Cartierville, Montreal
Experience the pinnacle of home comfort with the Gree Extreme—quiet, efficient, and perfectly tailored to your living 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.
Exceptional Comfort Meets Innovative Technology
In the quiet, tree-lined neighborhood of Ahuntsic-Cartierville in Montreal, a groundbreaking HVAC installation took place that is set to redefine indoor climate control for one lucky homeowner. AirGreen, a leader in heating, ventilation, and air conditioning services across Montreal, Laval, Longueuil, and both the North and South Shores, has once again demonstrated its commitment to excellence and customer satisfaction with the installation of a Gree Extreme Wall-Mounted Heat Pump.
Unpacking the Gree Extreme: A Symphony of Efficiency
The Gree Extreme, known for its robust efficiency and cutting-edge features, stands out as a pinnacle of heat pump technology. With a 12,000 BTU capacity and an impressive 30.5 SEER efficiency rating, this model is a powerhouse, capable of delivering exceptional heating and cooling while maintaining whisper-quiet operation. Notable features of the Gree Extreme include:
- Energy Star® Certification: Ensures optimal energy efficiency.
- Smart Wi-Fi Connectivity: Allows for remote control via the GREE+ app, ensuring your home is always at your desired comfort level, even from afar.
- Superior Quietness: With indoor sound levels as low as 22 dB(A), it promises a disturbance-free environment.
- Robust Warranty: Offers a decade of peace of mind with a 10-10-10 warranty on the compressor, parts, and labor.
A Customized Installation Tailored to Homeowner's Needs
The latest installation by AirGreen was not just about adding a heat pump; it was about creating a tailored solution for a homeowner focused on comfort, efficiency, and sustainability. The client, keen on obtaining the best unit available without oversizing, opted for the Gree Extreme to efficiently manage the climate of his living room.
Installation Highlights:
- Strategic Outdoor Unit Placement: To eliminate concerns about vibrations, the outdoor unit was meticulously installed on an aluminum stand, ensuring zero vibration impacts on the exterior walls.
- Eligibility for Subsidies: Thanks to its Energy Star® certification, this installation qualifies for a $405 rebate under the LogisVert Program by Hydro-Québec, enhancing the affordability of this high-grade technology.
Why Choose AirGreen for Your HVAC Needs?
Choosing AirGreen means opting for a partner that understands the intricacies of HVAC systems and the unique needs of each customer. Our installations are more than just routine; they are a step towards enhanced comfort, optimized energy use, and significant cost savings over time. Here’s why our service stands out:
- Tailored Solutions: Each installation is approached with a focus on the client’s specific needs and preferences.
- Advanced Technology: We use only the latest and most efficient equipment, like the Gree Extreme, renowned for its performance even in the harsh Canadian winters.
- Comprehensive Service: From initial consultation to post-installation support, our team ensures a seamless experience that extends beyond the installation day.
Experience the AirGreen Difference
At AirGreen, we don’t just install HVAC systems; we enhance lifestyles. Our commitment to quality, customer-centric service, and innovative solutions make us the preferred choice for homeowners across Montreal and beyond. Whether it's the depth of winter or the height of summer, our installations ensure your home remains a sanctuary of comfort and efficiency.
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.
More jobs to see, near you
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Each dot: a town where AirGreen has published projects. The glowing dot: this job.
Every house has its constraints. We see them before we install.
The on-site estimate is free and the quote follows within 24 hours.
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).