Project

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

AirGreen installed a Zephyr wall-mounted heat pump in Sainte-Dorothée, Laval , in a bright room near a window. Discreet integration, efficient air distribution, and reliable comfort for both summer and winter.

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.

In Sainte-Dorothée , in a bright and very open-concept residential setting, we installed a Zephyr wall-mounted heat pump to provide consistent comfort year-round without cluttering the space. This type of project is common in Laval: people are looking for an efficient, discreet solution that can adapt to the typical temperature variations of Quebec, from the bitter cold of winter to the hot and humid days of July.

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

The photo shows a Zephyr wall-mounted indoor unit installed high up, with air distribution via a motorized louver and a digital display (notably showing a setpoint of around 19°C ). This is exactly the "mini-split" format favored for:

  • to quickly air-condition a living room,

  • to heat efficiently during the shoulder seasons (and in winter, depending on the configuration),

  • avoid major, often costly and invasive pipework.

Brand: Zephyr (confirmed)

According to the information provided, the system brand is Zephyr . We naturally integrate it into our approach: selecting the right location, optimizing comfort, and a clean and durable finish.

Model: Zephyr – residential wall-mounted range (exact model not legible)

The exact model is not clearly visible in the photo. We therefore describe the equipment accurately and consistently: a recent Zephyr wall-mounted residential-grade heat pump with a sleek design, designed to meet the typical needs of a house or apartment in Laval.

Prominent installation details visible in the photo

This installation is a good example of what we aim for at AirGreen: performance + aesthetics + real everyday comfort.

  • High positioning, under the ceiling : ideal for wide and even diffusion in the room.

  • Proximity to a window : very practical for stabilizing the area where variations are often most felt (direct sunlight, glazing, drafts).

  • Clear wall in front of the unit : no immediate obstruction, allowing the airflow to “carry” further and avoid the localized blast effect.

  • Integration into a multifunctional space : we see a living/activity environment (accessories at the bottom of the image), where thermal comfort must remain constant, without excessive noise.

Why does this type of installation work so well in Laval?

In areas like Sainte-Dorothée, apartments and houses often offer bright rooms, sometimes with sloped ceilings or open layouts. A Zephyr wall-mounted heat pump is therefore an excellent choice because it allows you to:

  • a rapid response to temperature variations (morning/evening, sun, cooking, physical activity),

  • Simple daily management via remote control and automatic modes,

  • a minimal visual footprint : the unit blends into the decor, without dominating the room.

Our AirGreen method: sustainable comfort and a clean finish

A wall installation isn't just about "laying your head down." To ensure a flawless and long-lasting result, we pay particular attention to:

  • the location (diffusion, comfort, noise, traffic),

  • the quality of the connections and the sealing,

  • condensation management (reliable drainage, adequate slope),

  • a finish that remains clean over time (alignment, stability, integration).

This is what makes the difference between a system that "works" and a system that becomes a true daily comfort.

Simple tips to keep your Zephyr performing well

To preserve efficiency and air quality:

  • clean the filters regularly (a simple, very cost-effective action).

  • Keep the front of the unit clear for good airflow.

  • Plan for complete periodic maintenance (internal cleaning, drainage, performance).

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

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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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