Installation of a Sharp Eco Inverter wall-mounted heat pump in Sainte-Julie
Installation of a Sharp Eco Inverter wall-mounted heat pump in Sainte-Julie. AirGreen optimizes comfort and energy efficiency with a reliable and sustainable HVAC solution on the South Shore.
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A high-performance and sustainable HVAC solution for a South Shore home
At AirGreen , every project is an opportunity to combine comfort, energy efficiency, and quality installation. In this Sainte-Julie residence, our team installed a Sharp Eco Inverter wall-mounted heat pump , a wise choice for a family who wanted to replace an old auxiliary heating system with a reliable and energy-efficient four-season solution.
Installation context
The client wanted a heat pump capable of:
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Maintain a stable temperature during winter, even when temperatures drop below -20°C.
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Provide fast and quiet cooling in summer.
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Significantly reduce energy consumption thanks to inverter technology.
After analysis, the Sharp Eco Inverter emerged as the best option: a compact, efficient heat pump eligible for Quebec's energy efficiency grant programs.
Characteristics of the installed equipment
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Brand : Sharp
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Model : Eco Inverter, featuring Plasmacluster Ion technology, which improves indoor air quality.
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Type : Single-zone wall-mounted heat pump
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Capacity : 12,000 BTU, perfectly suited to cover the main space of the house.
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Energy efficiency : SEER greater than 19 and HSPF of 10, allowing significant electricity savings.
Installation Steps and Details
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External fixing :
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The condenser was installed on a raised galvanized steel wall bracket , protecting the unit from moisture and snow deposits.
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White capping has been added to conceal and protect the refrigeration ducts, ensuring a clean and discreet finish.
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Power supply :
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Secure connection via an approved junction box, placed close to the condenser to facilitate future maintenance.
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Condensate drainage :
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Gravity installation, avoiding the need for a lifting pump.
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Indoor unit :
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Positioned in a central area of the home, optimizing air circulation and thermal comfort throughout the living space.
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Challenges encountered and solutions provided
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Outdoor Space Management : The installation had to take into account the proximity to a garden hose and frequent traffic. Our team carefully positioned the condenser to ensure both safety and accessibility.
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Duct routing optimization : Through precise planning, the length of the refrigerant connections has been minimized, thus maximizing the energy efficiency of the unit.
Results and benefits for the client
Upon commissioning, the family immediately noticed:
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A significant reduction in electricity consumption compared to their old auxiliary heating.
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Improved comfort in all seasons, with rapid cooling and constant heating.
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Better air quality thanks to Plasmacluster technology, reducing dust and allergens.
Why choose AirGreen for your HVAC installations on the South Shore
At AirGreen, we don't just install equipment. We support our clients every step of the way: model selection, technical study, grant applications, installation and maintenance . Thanks to our expertise, we offer solutions adapted to the climatic realities of Quebec and the specific needs of families in Montreal, Laval, Longueuil, the North Shore and the South Shore .
The Sharp Eco Inverter heat pump in Sainte-Julie perfectly illustrates our commitment: to offer reliable, aesthetic and durable installations , which combine comfort and energy savings.
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).