Project

Installation of a Zephyr wall-mounted heat pump in Sainte-Dorothée, Laval

Installation of a Zephyr wall-mounted heat pump in Sainte-Dorothée, Laval, by AirGreen. Four-season comfort, high efficiency, and installation on a raised aluminum support that complies with local standards.

By AirGreen Climatisation & Chauffage Admin3 min read
Installation of a Zephyr wall-mounted heat pump in Sainte-Dorothée, Laval
Installation of a Zephyr wall-mounted heat pump in Sainte-Dorothée, Laval
Generic diagram: wall-mounted heat pump, indoor and outdoor units

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.

  1. 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.

  2. The refrigerant lines, the communication cable and the drain go through the wall in a single opening, sealed against water, cold air and insects.

  3. Two insulated copper pipes connect the two units. Outside, a line cover can protect them from sun, knocks and weather.

  4. A shut-off switch near the outdoor unit isolates it safely for service. It must stay accessible at all times.

  5. The compressor and the fan. In heating mode it captures heat from the outdoor air, even in winter, and moves it inside.

  6. On the ground or on the wall, it keeps the unit above accumulated snow. The unit stays clear and defrost water can drain away.

  7. The fan needs to blow freely. Storage, a fence or a wall too close, and efficiency drops while noise goes up.

A neat terrace installation for four-season comfort in Laval

At AirGreen , we have just completed the installation of a Zephyr wall-mounted heat pump in a modern condo in the Sainte-Dorothée sector of Laval . This project perfectly illustrates our expertise in installing high-performance HVAC equipment in residential spaces with specific technical constraints, such as balcony terraces and wood-clad walls .


A residential project requiring precision and adaptation

The client wanted an efficient heating and cooling solution , capable of providing optimal comfort in all seasons , while remaining discreet and quiet . The space available on the terrace was limited, requiring installation on a raised aluminum support to guarantee both the stability of the condenser and optimal air circulation , even in winter when the snow accumulates.


Technical details of the installation

Our team carried out the complete installation of a Zephyr wall-mounted heat pump , a model recognized for its high energy performance and reliability in Quebec winters .

Main features of the installation:

  • Machine type: wall-mounted heat pump (mini-split)

  • Brand: Zephyr

  • Location: Sainte-Dorothée, Laval

  • Support: galvanized aluminum structure, corrosion resistant

  • Connection: insulated and capped refrigerant pipe, short lateral run to the condo wall

  • Power supply: waterproof electrical box with external circuit breaker compliant with CSA standards

  • Drainage: gravity evacuation of condensates, suitable for four-season use

All wiring has been carefully sheathed and insulated , ensuring maximum durability and impeccable aesthetics, in accordance with AirGreen installation standards.


Performance and energy efficiency

Zephyr heat pumps are designed to provide stable performance down to -25°C , making this solution perfectly suited to the Laval climate. This model allows:

  • Significant energy savings compared to standard electric heating;

  • Reduced greenhouse gas emissions through high-efficiency refrigerant technology;

  • Quiet operation , essential in a residential condominium environment.


Harmonious integration into a residential environment

Visual integration was a priority for the client. The Zephyr outdoor unit, with its sleek white design , blends perfectly with the building's light brown horizontal wood cladding. The elevated positioning and ample spacing between the railing and the wall allow for easy maintenance and optimal ventilation.

Thanks to this configuration, the heat pump remains protected from water splashes, frost and dead leaves, while respecting the co-ownership rules relating to the discretion of exterior installations.


Grants and Eligibility

This Zephyr Energy Star heat pump is eligible for provincial grant programs , such as Chauffez vert and Rénoclimat , due to its superior energy efficiency and performance in cold climates. At AirGreen, we support our customers every step of the way, from model selection to preparing documents for financial assistance programs .


An AirGreen commitment: efficiency, sustainability and peace of mind

Each AirGreen installation is based on three pillars:

  1. A personalized design , adapted to the configuration of each accommodation;

  2. Meticulous commissioning , with complete verification of pressures, temperatures and electrical connections;

  3. Reliable after-sales service , including periodic maintenance and technical support.

In this Sainte-Dorothée project, our team once again demonstrated AirGreen's ability to provide lasting thermal comfort , while optimizing the aesthetics and energy performance of the installed system.


Conclusion

This Zephyr heat pump installation in Laval perfectly illustrates AirGreen's expertise: combining engineering, precision and aesthetics to offer HVAC solutions adapted to Quebec's climatic realities. Thanks to a well-designed installation, the customer now benefits from constant comfort , a high-performance energy-efficient system and a sustainable investment .

The steps

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.

Step 1 of 9The on-site estimate

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.

  1. 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.
  2. The quoteModel, capacity and price, in writing. We also check whether the model qualifies for assistance programs.
  3. Getting readyFloors and furniture protected, wall plate position marked level, wall opening located.
  4. The wall openingA single opening, with the slope the drain needs to flow outside.
  5. The outdoor unitSet on a stand raised above the snow, with the clearances the manufacturer requires.
  6. Lines, cable and drainConnected, insulated and protected. The opening is then sealed against water, cold air and insects.
  7. The electrical workA dedicated circuit and an accessible disconnect near the outdoor unit.
  8. Tests and start-upLeak test, vacuum, then start-up and a check of heating and cooling.
  9. The walkthroughRemote, modes, filters: we show you the essentials before we leave.
Your numbers

And at your place?

Two quick checks with real numbers: what heat costs, and what your current heaters add up to in BTU/h.

Size checkYour baseboards, in BTU/h
–BTU/h of installed electric heat

    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.

    Through the seasons

    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.
    And at your place?

    Which type of equipment for your project?

    Pick what looks like your need.

    Mistakes avoided

    Four mistakes we do not make

    Flip each card to see what we do instead.

    Frequently asked questions

    What people ask us about this kind of work

    12 questions
    Does a wall-mounted heat pump heat in winter?
    Yes, it heats and cools. Its capacity drops in very cold weather; the operating range depends on the model and is listed on its spec sheet.
    Wall-mounted or multi-zone: how do I choose?
    One wall head and one condenser outside: the direct solution for a room or an open area. For two to five rooms, a multi-zone puts one head in each room on a single condenser.
    Where does the outdoor unit go?
    Where it stays above the snow, clear and accessible, away from walkways. We decide it with you during the estimate.
    Are there grants?
    Depending on the model and your situation, assistance programs may apply, including Hydro-Québec's LogisVert. AirGreen checks the model number before quoting an amount. See the grants.
    Do I need a permit?
    Rules vary from city to city: location, distances, noise. See permits and by-laws, and we check for your address.
    How cold can it heat?
    It depends on the model. According to Hydro-Québec, newer models work down to a temperature between −15 °C and −25 °C, and some cold-climate models are certified lower. The minimum temperature is on each unit's spec sheet.
    How much can I save?
    Hydro-Québec says a heat pump can be up to three times more efficient than baseboards for heating in the colder months. The result depends on the house, the climate and how it is used.
    How is the LogisVert assistance calculated?
    For ENERGY STAR cold-climate certified heat pumps, Hydro-Québec lists assistance of $120 per 1,000 BTU/h of heating capacity at −8 °C. AirGreen checks the exact model before quoting an amount; only Hydro-Québec confirms the assistance granted. See the grants.
    Is it noisy?
    The sound level depends on the model and is listed in decibels on each unit's spec sheet. Location matters too: when possible, we avoid putting the outdoor unit under a bedroom window.
    The outdoor unit is covered in ice: is that normal?
    Some frost is: the unit runs defrost cycles. Never hit the ice. If the unit stays iced up or stops heating, call us.
    Does AirGreen hold the required licences?
    Yes. AirGreen holds RBQ licence 5645-9605-01, subclasses 15.8 Ventilation, 15.10 Refrigeration and 16 Electricity.
    Is the estimate free?
    Yes. The on-site estimate is free and the quote follows within 24 hours. Book my free estimate.
    Going further

    Useful pages for what comes next

    Could this job help a neighbour?

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    The on-site estimate is free and the quote follows within 24 hours.

    • RBQ licence5645-9605-01 · 15.8, 15.10, 16
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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).

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