Installation of a Sharp Eco Inverter wall-mounted heat pump in Saint-Laurent
AirGreen installs a Sharp Eco Inverter wall-mounted heat pump in Saint-Laurent: heating and cooling performance, optimized installation and grants available in Montreal and surrounding areas.
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The job on one screen
The article, chapter by chapter
A residential project where performance and efficiency meet
At AirGreen , we understand that every HVAC installation must be perfectly suited to the building's context and the client's expectations. In Saint-Laurent, we recently installed a Sharp Eco Inverter wall-mounted heat pump , a smart choice for four-season comfort in a booming residential area.
Choosing a Sharp Eco Inverter: efficiency and reliability
The Sharp Eco Inverter range is recognized for:
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Its optimized energy efficiency , thanks to Inverter technology, which adjusts power according to actual needs.
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Its quiet operation , both inside and outside.
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Its ability to perform down to -25°C , an essential feature for Montreal and Laval winters.
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Its eligibility for subsidies , including LogisVert and other provincial and federal programs aimed at encouraging energy efficiency.
Technical details of the installation
For this project, we have:
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Install the outdoor condenser on a raised metal wall bracket , ensuring optimal stability and protection against snow accumulation.
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Ensured a compact and protected piping route , with discreet capping, perfectly integrated into the aesthetics of the building.
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Provided efficient gravity drainage , avoiding the addition of a condensate pump, which reduces maintenance requirements.
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Optimized the passage of refrigerant connections to limit energy losses and ensure maximum longevity of the system.
Comfort adapted to Montreal’s reality
The Sharp Eco Inverter allows the customer to benefit from:
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Stable and economical heating in winter , even on freezing January days.
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Rapid and uniform cooling in summer , essential for a neighborhood like Saint-Laurent where buildings can quickly accumulate heat.
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Better indoor air quality , thanks to the integrated purification function with ionizer, ideal for an urban environment.
Challenges and solutions provided
During this installation, two main challenges arose:
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Limited space on the rear facade of the building : our team chose a sturdy, adjustable wall bracket to optimize space while facilitating access for future maintenance.
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Proximity to other mechanical installations : We have carefully planned the location of the condenser to avoid interference and ensure optimal air circulation.
Results and customer satisfaction
The result is a reliable, discreet, and efficient installation, perfectly adapted to the climate of Greater Montreal. The owner now benefits from year-round comfort, significant savings on energy bills, and peace of mind thanks to the comprehensive warranty offered by AirGreen and Sharp.
AirGreen expertise serving Greater Montreal
Whether in Montreal, Laval, Longueuil, on the North Shore or the South Shore , our team puts its expertise at the service of each project to guarantee a lasting, aesthetic and efficient result.
By choosing AirGreen, you benefit from:
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From a personalized analysis of your needs.
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From a careful and certified installation .
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Comprehensive support for obtaining available subsidies .
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Reliable and fast after-sales service .
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.
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.
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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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).