Installation of a Gree Ceiling Cassette Heat Pump in Laval
Transform your space with the Gree Ceiling Cassette Heat Pump—quiet, efficient, and beautifully integrated into your decor.
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The job on one screen

The article, chapter by chapter
Enhancing Comfort with Advanced HVAC Solutions
At AirGreen, we pride ourselves on delivering cutting-edge heating, ventilation, and air conditioning (HVAC) solutions that not only meet but exceed our clients' expectations. Recently, we completed a noteworthy installation in Laval, showcasing the Gree CAS18HP230V1BC Ceiling Cassette Heat Pump. This project highlights our commitment to energy efficiency, design adaptability, and noise reduction, ensuring that every client enjoys optimal comfort in their living or working environments.
Project Overview: Customized Comfort in Laval
The recent installation in Laval involved a Gree CAS18HP230V1BC Ceiling Cassette Heat Pump, renowned for its impressive capacity and energy efficiency. This system, designed to integrate seamlessly into any room’s aesthetics, offers a substantial 18,000 BTU cooling capacity, perfect for moderate to large spaces.

Key Features of the Gree Ceiling Cassette
- Energy Star Certification: Ensures top-tier energy efficiency.
- Eco-Friendly R-410A Refrigerant: Minimizes environmental impact.
- Quiet Operation: Operates at low noise levels of 35/47 dB(A), making it ideal for residential and commercial settings where noise is a concern.
- Customizable Airflow: Features four-way air direction control, allowing for personalized comfort.
- Sleek Design: Fits discreetly into any ceiling with minimal disruption to the existing decor.
Installation Challenges and Solutions
Every installation comes with its unique set of challenges, and the Laval project was no exception. The primary challenge was integrating the unit into an existing suspended ceiling while maintaining the structural integrity and aesthetics of the space. Our team expertly navigated this by customizing the mounting solutions and ensuring that all components blended seamlessly with the room's design.
Client-Centric Approach and Customization
Our approach always emphasizes customization to meet specific client needs. For this installation, the client required a system that would not only cool but also enhance the air quality without disrupting the interior design. The Gree Ceiling Cassette's decorative discharge grille and its whisper-quiet operation were perfect for these requirements. Additionally, the system's multiple fan speeds and directional louvers allowed for tailored comfort, proving ideal for the client's diverse needs.

Benefits for the Laval Homeowner
The homeowner in Laval benefited significantly from this installation. The Gree Ceiling Cassette Heat Pump is not just an air conditioner; it's a comprehensive comfort solution that provides:
- Reduced Energy Bills: Thanks to its Energy Star-rated performance.
- Enhanced Indoor Air Quality: The R-410A refrigerant is not only environmentally friendly but also helps maintain cleaner indoor air.
- Aesthetic Integration: With its compact and discreet design, the unit enhances rather than disrupts the room’s appearance.
- Long-term Comfort: With durable components and a design suited for local climate conditions, the Gree system promises years of reliable service.
Why Choose AirGreen?
Choosing AirGreen means opting for a partner that understands the nuances of HVAC challenges and solutions. Our team is comprised of experienced professionals who are passionate about providing efficient, effective, and aesthetically pleasing HVAC solutions. Whether it's a residential or commercial project, we bring the same level of dedication and expertise to ensure client satisfaction.
Conclusion: A Testament to Tailored HVAC Excellence
This installation in Laval is just one example of how AirGreen is helping to transform spaces with tailored HVAC solutions. The Gree CAS18HP230V1BC Ceiling Cassette Heat Pump installation not only met the specific needs of the homeowner but also aligned with our goals of delivering environmentally friendly, efficient, and discreet HVAC solutions. For anyone looking to enhance their comfort with a reliable HVAC system, AirGreen is your go-to expert in Montreal, Laval, Longueuil, and the surrounding areas.
The job tools
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.
How the job unfolds
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 we check on a job like this one
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.
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.
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.
Good habits, once the unit is in place
Six simple habits that keep the unit going. Your list stays on this device.
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.
The right pages, at the right time
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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An on-site estimate, the right capacity, the right equipment.
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).
