Installation of a Fujitsu wall-mounted heat pump in Laval-des-Rapides
AirGreen installed a Fujitsu wall-mounted heat pump in Laval-des-Rapides, optimizing the comfort of a stairwell thanks to strategic positioning and even air distribution.
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.
Controlled comfort in a high-ceilinged stairwell
At AirGreen , we often encounter unique challenges related to home architecture. In this project in Laval-des-Rapides , a Fujitsu wall-mounted heat pump was installed in a very bright stairwell with a high ceiling and a red accent wall. This strategic location allows for optimal distribution of hot and cold air throughout the house, taking advantage of the natural circulation between floors.
Why choose a Fujitsu wall-mounted heat pump?
Fujitsu wall-mounted heat pumps are widely recognized in Quebec for their exceptional energy efficiency and durability. In this configuration, the chosen model offers:
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Reliable heating down to -25°C , ideal for Quebec winters.
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An efficient air conditioning mode during the summer, particularly useful in a stairwell exposed to the sun.
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Quiet operation , essential in a high-traffic area.
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Precise temperature control , ensuring constant comfort between the ground floor and the upper floor.
Installation process
Strategic positioning
The unit was placed high up, near a side window. This choice maximizes air circulation and ensures even distribution both up and down the stairs.
Connections and drilling
Our technicians made a discreet opening to the outside, allowing the passage of refrigeration and electrical conduits. The whole thing was carefully insulated and covered, respecting professional HVAC installation standards.
Drainage and evacuation
Thanks to the wall's configuration, gravity drainage was preferred, thus avoiding the installation of a condensate pump. This choice simplifies maintenance and increases long-term reliability.
Commissioning
Once the connections were completed, the heat pump was turned on and calibrated. The temperature rise proved to be fast and efficient, even in a space as large as an open stairwell.
Technical challenges and solutions provided
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Installation height : Working at height in a stairwell required the use of a specialized stepladder and enhanced safety measures.
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Airflow optimization : The orientation of the louvers has been adjusted to prevent hot or cold air from blocking the side walls, ensuring smooth circulation to the living spaces.
Subsidies and energy efficiency
Fujitsu models installed by AirGreen generally meet the criteria of the LogisVert and Greener Homes programs, allowing owners to benefit from advantageous subsidies . This installation in Laval-des-Rapides perfectly illustrates how to combine energy savings and improved residential comfort.
Customer Testimonial
The owner said he was satisfied with the solution provided:
"The stairwell was always a weak point in the house, too hot in summer, too cold in winter. Since AirGreen installed it, we feel an immediate difference: the temperature is much more stable, and the system operates silently."
AirGreen expertise in Greater Montreal
We support our clients in Montreal, Laval, Longueuil, North Shore and South Shore with the same rigor:
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Accurate assessment of needs.
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Recommendation of the right model and support for grants.
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Quick, clean and safe installation.
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After-sales service dedicated to maintenance and performance optimization.
Conclusion
This Fujitsu wall-mounted heat pump installation in Laval-des-Rapides demonstrates the importance of carefully adapting the choice and positioning of the unit to the architecture of the home. Thanks to our expertise, occupants now enjoy balanced comfort, winter and summer, in a space that was previously difficult to regulate.
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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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).