Installation of a Gree Vireo GEN3 Ceiling Cassette in Outremont, Montreal
Discover the ultimate cooling solution with our installation of the Gree Vireo GEN3 Ceiling Cassette in Outremont. Quiet, powerful, and energy-efficient – the perfect choice for any space!
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.
Built into the ceiling, it sends air out on four sides. Only the grille shows in the room.
Above the ceiling, there has to be enough height for the unit, its hangers and its connections, with access for service.
In cooling mode the cassette produces water. It leaves through a drain with the right slope, or through a pump when needed.
The lines and the cable reach the outside through an opening sealed against water, cold air and insects.
A shut-off switch near the outdoor unit isolates it safely for service. It must stay accessible.
The compressor and the fan. In heating mode it captures heat from the outdoor air and moves it inside.
It keeps the unit above accumulated snow, so it stays clear and defrost water can drain.
A Seamless HVAC Solution for Quiet Comfort in Any Space
At AirGreen, we pride ourselves on offering cutting-edge HVAC solutions across Montreal, Laval, Longueuil, and the North and South Shores. One of our latest installations took place in the beautiful neighborhood of Outremont, Montreal, where we installed a Gree Vireo GEN3 18,000 BTU Ceiling Cassette. This unit, known for its sleek design and powerful cooling capabilities, perfectly complements both residential and commercial spaces, offering a balance of performance and aesthetics.
This particular installation was an exciting project for our team, as the client required an HVAC system that could deliver efficient cooling without compromising the room’s décor. The Gree Vireo GEN3 ceiling cassette unit was the ideal choice, blending into the ceiling seamlessly while providing powerful and even airflow throughout the space.
Why Gree Vireo GEN3?
When it comes to ceiling cassette systems, the Gree Vireo GEN3 stands out for several reasons. Its 18,000 BTU cooling capacity is perfectly suited for medium-sized spaces, providing effective temperature control with minimal energy consumption. It’s also Energy Star-certified, ensuring that the client can enjoy cool comfort without worrying about high energy bills.
One of the standout features of this model is its ability to operate quietly. With a sound level of just 35 / 47 dB(A), it’s nearly silent, even at its highest settings. This makes it perfect for environments where tranquility is essential, such as home offices, living rooms, or even quiet commercial spaces.
Installation Challenges and Solutions
Our AirGreen team approached this installation with precision and care, especially given the confined attic space where the unit had to be placed. Despite some challenges with the piping configuration (requiring 1/4 - 1/2 inch piping), we ensured that everything was installed perfectly, with no room for error. Working in such tight spaces often demands ingenuity and attention to detail, two qualities that our technicians bring to every job.
The internal condensate pump featured in this model was a major advantage during installation, allowing us to handle water drainage effectively. With the sentry float switch, we could ensure that the unit would never overflow, adding an extra layer of security and reliability to the system.
Benefits of the Gree Vireo GEN3 Ceiling Cassette
Choosing the Gree Vireo GEN3 for this Outremont home brought many benefits to the client, not just in terms of cooling power, but also the ease of use and ongoing maintenance:
- Decorative grille: This feature ensured that the unit could blend seamlessly into the room’s ceiling, maintaining the space’s aesthetic appeal.
- Four-direction air blowing: This unique design feature ensures even distribution of air across the room, eliminating hot spots and delivering consistent comfort.
- Multiple ventilation speeds: Customizable airflow allows users to adjust settings based on their cooling needs, ensuring maximum comfort no matter the season.
- Control lock: For added peace of mind, this function prevents accidental changes to the settings, particularly useful in commercial or family environments.
- Power recovery after an outage: In the event of a power failure, the unit automatically restarts with the previous settings, ensuring uninterrupted comfort.
The washable dust filters and adjustable louvre control made maintenance simple, while the included remote controller provided the client with full control of their environment from the comfort of their seat.
Why AirGreen?
At AirGreen, we are not just another HVAC company; we are experts dedicated to providing the highest level of service. Our installations, like this one in Outremont, showcase our commitment to precision, reliability, and customer satisfaction. Whether it’s a large commercial project or a home installation, we approach each job with the same attention to detail and care.
When you choose us, you’re not only investing in cutting-edge HVAC technology but also in the expertise of a team that puts your needs first. With each project, our goal is to enhance the comfort, efficiency, and overall ambiance of your space. From start to finish, we ensure that the process is seamless and that the end result exceeds expectations.
Final Thoughts: The Gree Vireo GEN3 – Comfort Meets Innovation
The installation of the Gree Vireo GEN3 Ceiling Cassette in this Outremont home stands as a testament to AirGreen’s dedication to excellence. The combination of energy efficiency, powerful cooling capacity, and quiet operation makes this unit a standout in the world of HVAC systems. With its innovative features like four-directional airflow, internal condensate pump, and washable filters, this system is as user-friendly as it is effective.
At the end of the day, we believe that comfort should not come at the expense of aesthetics or efficiency. The Gree Vireo GEN3 delivers on all fronts, offering a discreet yet powerful cooling solution that will keep any space comfortable throughout the year. Our team at AirGreen is proud to have completed this installation in Outremont and looks forward to continuing to serve our community with top-tier HVAC solutions.
Get In Touch With Us Today
Looking for a reliable HVAC company to handle your next project? AirGreen is here to help. Whether you’re in Montreal, Laval, Longueuil, or on the South or North Shores, we’ve got the expertise you need to install and maintain the best HVAC systems for your space. Contact us today to schedule a consultation and find out how we can transform your indoor environment.
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).