Installation of a GREE LIVO GEN4 Ductless Heat Pump in Ahuntsic, Montreal
Discover how our expert installation of the GREE LIVO GEN4 heat pump in Ahuntsic ensures year-round comfort with energy efficiency, quiet operation, and advanced features like WiFi control.

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.
Enhancing Comfort in Ahuntsic with the GREE LIVO GEN4 Mini Split Heat Pump
At AirGreen, we pride ourselves on delivering unmatched HVAC solutions to our customers across Montreal, Laval, Longueuil, and the greater Rive Sud and Rive Nord regions. Our latest installation of a GREE LIVO GEN4 18,000 BTU ductless heat pump in Ahuntsic, Montreal, exemplifies our commitment to quality, energy efficiency, and customer satisfaction. This project provided a modern comfort solution for a home in need of a reliable heating and cooling system that stands up to Montreal’s diverse weather challenges.
The Customer’s Story: A Quest for Comfort and Energy Efficiency
The Ahuntsic homeowner had been grappling with fluctuating indoor temperatures, particularly during Montreal's icy winters and humid summers. After researching various options, they sought a ductless mini split system capable of delivering both heating and cooling with precision. They chose AirGreen for our stellar reputation, prompt service, and expertise in installing GREE systems—one of the most trusted names in HVAC technology.
Why the GREE LIVO GEN4 Was the Perfect Choice
We recommended the GREE LIVO GEN4 ductless heat pump, not only for its superior performance but also for its ability to operate efficiently in extreme conditions. Here’s why this model was a game-changer for the Ahuntsic homeowner:
- Powerful Heating Capacity: With a heating range down to -25°C, the LIVO GEN4 is built to combat even the harshest winters in Montreal.
- Energy Efficiency: Boasting an 18.5 SEER rating, this heat pump delivers exceptional efficiency, keeping energy bills in check while providing year-round comfort.
- Quiet Operation: The indoor unit operates at a whisper-quiet 32/50 dB(A), ensuring a serene indoor environment.
- Compact Design: Its sleek, modern design effortlessly complements any interior decor, blending functionality with aesthetics.
- WiFi Connectivity: The integrated WiFi feature allows the homeowner to control their system remotely via smartphone or tablet, adding convenience to comfort.
Additionally, this model qualifies for the $560 LogisVert Grant by Hydro-Québec, making it a smart, economical choice.
The Installation Process: Precision and Professionalism
Step 1: Assessing the Space
Our team began by conducting a detailed assessment of the property to determine the optimal location for the indoor and outdoor units. Considering the homeowner’s desire for minimal visual disruption, we selected a discreet spot that ensured efficient air distribution throughout the home.
Step 2: Installing the Indoor Unit
The sleek, wall-mounted GREE LIVO GEN4 indoor unit was installed in the living area, where it could provide maximum comfort. Measuring 37.13 x 9.69 x 13.13 inches, the unit was mounted securely to ensure stability and seamless integration with the room’s decor.
Step 3: Placing the Outdoor Unit
The outdoor unit, with dimensions of 31.63 x 13.88 x 21.88 inches, was strategically positioned to minimize noise impact and exposure to the elements. This placement ensures longevity and optimal performance.
Step 4: Connecting the System
Using high-quality piping (1/4 - 1/2 inch) and environmentally friendly R-410A refrigerant, we connected the indoor and outdoor units. The system’s low-voltage start-up and inverter technology were tested to ensure precise temperature regulation and energy efficiency.
Step 5: Testing and Customer Orientation
Before completing the installation, our technicians conducted rigorous testing to ensure everything was functioning perfectly. We then provided the homeowner with a detailed walkthrough of the system’s features, including how to use the WiFi controls for remote operation.
Performance Highlights of the GREE LIVO GEN4
- Cooling Capacity: 18,000 BTU ensures rapid cooling during Montreal’s humid summers.
- Heating Capacity: Reliable warmth even when temperatures plunge to -25°C.
- Sound Levels: Quiet operation at just 57.0 dB(A) for the outdoor unit.
- Eco-Friendly Refrigerant: R-410A refrigerant reduces environmental impact while maintaining efficiency.
Why Choose AirGreen for Your HVAC Needs?
At AirGreen, we don’t just install HVAC systems; we create tailored solutions that enhance your quality of life. Here’s what sets us apart:
- Expertise in GREE Installations: Our technicians are highly trained and experienced in installing and servicing GREE systems, ensuring flawless execution every time.
- Comprehensive Customer Support: From initial consultation to post-installation support, we are with you every step of the way.
- Commitment to Sustainability: By promoting energy-efficient products like the LIVO GEN4, we help our customers reduce their carbon footprint.
A Word from the Homeowner
The homeowner couldn’t be happier with their new GREE LIVO GEN4 heat pump. They remarked on how quickly the system transformed their home’s comfort level, even during Montreal’s fluctuating temperatures. They were especially pleased with the WiFi feature, which allows them to adjust the temperature from their phone while away.
Upgrade Your Home Comfort Today
If you’re considering a ductless heat pump for your home in Montreal, Laval, Longueuil, or the surrounding regions, trust AirGreen to deliver exceptional results. The GREE LIVO GEN4 is a top-tier choice for anyone seeking energy efficiency, quiet operation, and cutting-edge features.
Contact us today for a free consultation and take the first step toward a more comfortable and energy-efficient home.
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.
Which type of equipment for your project?
Pick what looks like your need.
Four mistakes we do not make
Flip each card to see what we do instead.
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.
Useful pages for what comes next
More jobs to see, near you
By town, by equipment or by region: browse more than 4,700 published projects.
Each dot: a town where AirGreen has published projects. The glowing dot: this job.
Tell us about your house. We come and see it for free.
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).
