Installation of a Gree FLEXX Central Heat Pump in Pierrefonds-Roxboro
Step into comfort with the Gree FLEXX heat pump—high performance, whisper-quiet, and eco-friendly, perfect for Montreal’s diverse climate.
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.
It captures or rejects heat outside. It sits on a level base, above the snow, with free space all around.
The insulated refrigerant lines enter the house through a sealed opening and run to the indoor coil.
A shut-off switch near the outdoor unit isolates it safely for service.
Sitting on the indoor module, it moves heat between the house air and the refrigerant.
Electric furnace or air handler: its fan pushes air through the ducts. The electric backup takes over in extreme cold.
Supply ducts bring air to the rooms; returns bring it back to the unit. Their condition matters as much as the unit's.
It protects the coil and the fan. A dirty filter cuts airflow, so it gets checked regularly.
It runs the heat pump and the backup heat. It must be compatible with the installed system.
A Story of Comfort and Efficiency: The Installation of the Gree FLEXX
AirGreen, a leader in HVAC solutions in Montreal and surrounding areas, is proud to present our recent project in Pierrefonds-Roxboro. The installation of the Gree FLEXX central heat pump highlights our commitment to providing high-performance heating and cooling solutions tailored to the unique needs of our clients.
Understanding the Gree FLEXX Central Heat Pump
The Gree FLEXX model stands out in the HVAC market for its exceptional functionality and adaptability. With a 3-ton capacity, this central heat pump system is designed to provide efficient and reliable heating down to -30°C and cooling up to 36,000 BTU. The unit’s external dimensions measure 37 inches in length, 18.13 inches in depth, and 32.25 inches in height, fitting seamlessly into the architecture of any home.
Key Features of the Gree FLEXX
- Efficiency: With an 18.0 SEER rating and an 11.0 HSPF score, the Gree FLEXX offers economical operation without compromising performance.
- Quiet Operation: With a sound pressure level of only 57 dB(A), it ensures a peaceful environment both inside and outside your home.
- Durability and Warranty: This model comes with a substantial warranty package, offering 12 years on the compressor and parts, with an extended warranty option for full coverage.
- Technology: Equipped with advanced features like optional WiFi, automatic fan speed control, and a self-diagnostic system, the Gree FLEXX provides an intelligent solution for your climate control needs.
Innovative Installation Process
Our team at AirGreen faced various challenges during the installation, turning them into opportunities to demonstrate our expertise and commitment to quality. The project site in Pierrefonds-Roxboro required strategic placement to ensure optimal operation and minimal aesthetic disruption. We used a specialized mounting bracket to secure the unit above ground level, protecting it from environmental elements and enhancing its efficiency.
Environmental Impact and Subsidies
The Gree FLEXX is not only a performance powerhouse but also an environmentally friendly choice. Although it does not carry the Energy Star® certification, its high SEER and HSPF ratings qualify it for substantial subsidies. This model is eligible for a LogisVert grant of $2,880 from Hydro-Québec, making it an attractive investment for environmentally conscious consumers.
Personalized Comfort
This installation was tailored to the specific needs of the homeowner, considering spatial requirements and aesthetic preferences. The optional WiFi functionality allows easy control and monitoring of the system, ensuring comfort is always at our clients’ fingertips.
AirGreen’s Commitment
At AirGreen, every project is a new chapter in our story of delivering superior HVAC solutions. The installation of the Gree FLEXX in Pierrefonds-Roxboro is a testament to our dedication to quality, innovation, and customer satisfaction. We believe in creating environments that are not only comfortable but also sustainable and efficient.
Choose AirGreen for Your HVAC Needs
Whether you are looking to upgrade your existing system or install a new one, consider the Gree FLEXX for its unmatched efficiency and performance. Contact AirGreen today to learn more about our products and services, and take a step toward a more comfortable and sustainable home.
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 ducts, the current indoor module, the electrical panel and the planned spot for the outdoor unit.
The equipment combination, capacity and price, in writing. We check whether the combination qualifies for assistance programs.
Access protected, old unit disconnected and removed when it is being replaced.
Electric furnace or air handler, with its coil, connected to the supply and return ducts.
On a level base, raised above the snow, with free space all around.
Insulated, they enter through a sealed opening and run to the indoor coil.
Dedicated circuits, accessible disconnect, a thermostat that works with the heat pump and the backup heat.
Leak test, vacuum, start-up, airflow check and a test of both modes.
Filter, thermostat, backup heat in extreme cold: what to know before winter.
- The on-site estimateWe look at the ducts, the current indoor module, the electrical panel and the planned spot for the outdoor unit.
- The quoteThe equipment combination, capacity and price, in writing. We check whether the combination qualifies for assistance programs.
- Getting readyAccess protected, old unit disconnected and removed when it is being replaced.
- The indoor moduleElectric furnace or air handler, with its coil, connected to the supply and return ducts.
- The outdoor unitOn a level base, raised above the snow, with free space all around.
- The refrigerant linesInsulated, they enter through a sealed opening and run to the indoor coil.
- Electrical and thermostatDedicated circuits, accessible disconnect, a thermostat that works with the heat pump and the backup heat.
- Tests and start-upLeak test, vacuum, start-up, airflow check and a test of both modes.
- The walkthroughFilter, thermostat, backup heat in extreme cold: what to know before winter.
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.
- Check the indoor module's filter.
- Clear winter debris from the outdoor unit.
- Test cooling before the heat arrives.
- Check the filter more often in peak season.
- Keep registers and returns clear.
- Watch condensate drainage near the coil.
- Change or clean the filter.
- Test heating and backup heat before the cold.
- Book periodic maintenance.
- Clear snow around the outdoor unit.
- Store nothing in front of the indoor module.
- Note any unusual noise or smell and call us.
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. A central heat pump uses the house's ducts.
It connects to the existing ducts to heat and cool everywhere.
2. In extreme cold, electric backup heat can take over.
The indoor module (furnace or air handler) works with the heat pump and takes over in extreme cold.
3. The filter only gets changed when the unit breaks down.
A dirty filter cuts airflow. It gets checked regularly.
4. You can reuse the old unit's size without checking.
The house may have changed: insulation, windows, added rooms. Capacity is confirmed on site.
0 / 4 right answers
What people ask us about this kind of work
Can I keep my current ducts?
What happens in extreme cold?
Furnace, air handler, ducted: what is the difference?
Are there grants?
Do I need a permit?
How much can I save?
How is the LogisVert assistance calculated?
Will my current thermostat work?
Central or wall units: which one?
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).