Installation of a Gree Multi GEN2 Triple Zone Wall-Mounted Heat Pump in Le Sud-Ouest, Montreal
Dive into the heart of a Montreal home's transformation with AirGreen's precise installation of the Gree Multi GEN2 Triple Zone Wall-Mounted Heat Pump. A tale of innovation, satisfaction, and comfort.
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.
A Seamless Integration: Mastering Complexity with Precision
In the picturesque borough of Le Sud-Ouest in Montreal, a home transformation took place that not only exemplified modern living but also set a benchmark for HVAC installations. AirGreen, a leading HVAC company based in Montreal, recently undertook the meticulous installation of a Gree Multi GEN2 Triple Zone Wall-Mounted Heat Pump. This project was not just another assignment; it was a testament to our commitment to quality, efficiency, and customer satisfaction.
The Challenge of Multi-Zone Comfort
The task at hand involved integrating a sophisticated 36,000 BTU Gree Multi GEN2 heat pump system, known for its energy efficiency and superior cooling and heating capabilities. This particular installation comprised one 9,000 BTU, one 12,000 BTU, and one 18,000 BTU inside units, each designated for different sections of the residence to optimize comfort and efficiency.
Finding the Perfect Balance
One of the core challenges of this project was the strategic placement of the outdoor unit. The objective was to ensure seamless connectivity with the trio of indoor units, each located in a distinct part of the house. The living room, requiring substantial cooling and heating, was fitted with the 18,000 BTU unit, while the second floor and bedroom received the 12,000 BTU and 9,000 BTU units, respectively.
Navigating Renovations with Ease
The timing of this installation was serendipitous, coinciding with extensive renovations throughout the house. This synchronicity facilitated the unobtrusive installation of necessary piping and wiring, ensuring that the aesthetic and structural integrity of the home was maintained. Following the completion of our work, the homeowner was set to repaint the entire house, embedding our system seamlessly into the fabric of their newly enhanced living space.
Customer Satisfaction: The Ultimate Reward
The highlight of this project was not just the technical prowess displayed by our team but the palpable satisfaction of the homeowner. The installation qualified for the generous $3,696 LogisVert Grant by Hydro-Québec, a reflection of our commitment to not only provide unparalleled HVAC solutions but also to secure financial benefits for our clients.
Gree Multi GEN2: A Closer Look
The Gree Multi GEN2 heat pump stands out for its remarkable features:
- Energy Star® certified, signifying its energy efficiency.
- WiFi connectivity, allowing for remote control and monitoring.
- 22.0 SEER efficiency rating, indicative of its exceptional energy use efficiency.
- A robust 10-year warranty on the compressor and parts, with an optional 10-year extended warranty for comprehensive coverage.
- AHRI Certified with serial number 210278979, ensuring performance and reliability.
- Low Sound Pressure Level at 63.0 dB(A), for a quiet operation.
- Eco-friendly R-410A gas, minimizing environmental impact.
- Designed for optimal performance in temperatures as low as -30°C, ensuring year-round comfort.
Why Choose AirGreen for Your HVAC Needs?
AirGreen stands at the forefront of HVAC solutions in Montreal, Laval, Longueuil, North Shore, and South Shore. Our expertise in handling complex installations, such as the triple zone wall-mounted heat pump for a Le Sud-Ouest residence, showcases our unparalleled ability to meet diverse customer needs. We are not just about installing units; we are about crafting environments that enhance living spaces and life quality.
Commitment to Excellence
Our team of certified professionals is dedicated to delivering installations that exceed expectations. From selecting the perfect system to match your needs, navigating through extensive renovations, to securing financial incentives like the LogisVert Grant, we handle every aspect with precision and care.
Tailored Solutions for Every Home
Understanding that every home is unique, we offer customized HVAC solutions that address individual preferences and requirements. Our extensive range of products, coupled with our technical expertise, allows us to provide systems that perfectly align with your lifestyle and budget.
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.
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).