Project

Installation of a Midea central heat pump in Blainville

AirGreen installed a Midea central heat pump on a single-family home in Blainville, with a raised condenser on wall brackets, connection to the existing ductwork system and complete commissioning to provide the owner with 4-season comfort and sustainable energy savings.

By AirGreen Climatisation & Chauffage Admin6 min read
Installation of a Midea central heat pump in Blainville
Installation of a Midea central heat pump in Blainville
Generic diagram: central heat pump, indoor module and ducts

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. It captures or rejects heat outside. It sits on a level base, above the snow, with free space all around.

  2. The insulated refrigerant lines enter the house through a sealed opening and run to the indoor coil.

  3. A shut-off switch near the outdoor unit isolates it safely for service.

  4. Sitting on the indoor module, it moves heat between the house air and the refrigerant.

  5. Electric furnace or air handler: its fan pushes air through the ducts. The electric backup takes over in extreme cold.

  6. Supply ducts bring air to the rooms; returns bring it back to the unit. Their condition matters as much as the unit's.

  7. It protects the coil and the fan. A dirty filter cuts airflow, so it gets checked regularly.

  8. It runs the heat pump and the backup heat. It must be compatible with the installed system.

In Blainville, on Montreal's North Shore, a growing number of single-family homeowners are looking to replace their traditional heating systems with more efficient and environmentally friendly solutions. In this project, our team completed the installation of a Midea central heat pump in a home with a basement, ensuring year-round comfort while reducing electricity bills.


The client's need: to replace an energy-intensive system

The owner of this Blainville house already had a hot air duct system. His primary heating system relied on an energy-inefficient electric source, combined with an aging central air conditioner. His objectives were clear:

  • Modernizing the installation without redoing the entire air distribution system

  • Reduce your energy consumption while improving comfort

  • Benefit from a reliable heating and air conditioning system

  • Preserve the exterior aesthetics of the house and the accessibility of the basement

We recommended the installation of a recent Midea central heat pump , perfectly compatible with a ducted indoor air manager, to transform his existing system into a high-efficiency 4-season solution.


The chosen solution: Midea central heat pump, high energy efficiency

For this project, we installed a new generation Midea central heat pump , designed to operate efficiently in the Quebec climate. Coupled with an indoor air handler, it ensures:

  • Air conditioning for the entire house during the summer

  • Efficient and economical heating for much of the winter

  • Power modulation allows capacity to be adjusted according to actual needs.

  • Quiet operation, both indoors and outdoors

The Midea outdoor compressor, clearly visible in the photo, supplies the entire existing ductwork system. Heat (or cold) is thus distributed evenly throughout all rooms: living room, kitchen, bedrooms, and basement.


Installation details: a Midea condenser perfectly integrated into the home

The photo shows the Midea condenser installed on the side wall of the house:

  1. Mounting on raised wall brackets

    • The unit is mounted on a solid metal support , anchored in the concrete foundation.

    • This elevated installation allows for:

      • Clear the unit from the ground to prevent the accumulation of snow and ice.

      • Protect the device from moisture and debris

      • Facilitate access for maintenance and service

  2. Land and drainage management

    • The house is surrounded by a bed of decorative stones along the foundation. This permeable area contributes to good drainage of rainwater and condensation , without splashing onto the vinyl siding.

    • A small border of concrete blocks delimits the passage and allows for clean access to the condenser.

  3. Positioning in relation to the windows

    • The Midea condenser is installed between two basement windows , respecting the minimum safety and ventilation distances.

    • This avoids blowing air directly onto the openings and limits the transmission of noise into the interior.

  4. Refrigeration connections and insulation

    • The insulated refrigeration pipes are carefully routed to the wall and protected in a sheath.

    • The wall penetration is watertight and well sealed to prevent air or moisture infiltration.

    • Insulating the lines helps to minimize heat loss in heating mode.

  5. Electrical connection compliant

    • To the right of the unit, you can see the external disconnect box , which is mandatory for any central system.

    • This box allows for quick power cut-off during an intervention and ensures the installation complies with the Quebec Electrical Code.

    • The cabling is discreet and follows the foundation, without detracting from the aesthetics of the facade.

  6. Noise and vibration reduction

    • Anti-vibration pads are installed under the condenser feet to limit the transmission of vibrations to the structure.

    • The operation of the heat pump thus remains very discreet , both for the occupants and for the neighborhood.


Interior integration: a house fully served by the central heat pump

Inside, the Midea central heat pump is connected:

  • To a compatible air handler , which replaces or supplements the old furnace

  • The existing ductwork system allows for the supply of hot or cold air to all rooms.

  • A programmable wall thermostat , allowing the customer to easily manage temperatures according to the time of day

This configuration offers several advantages:

  • Uniform comfort : no more rooms that are too hot in summer or too cold in winter.

  • Ease of use : a single integrated system for heating and air conditioning.

  • Energy saving : the heat pump recovers heat from outside in winter and expels heat from inside in summer with high efficiency.


Winter performance in Blainville

Blainville's climate is typical of the North Shore: cold winters, heavy snowfall, and frequent temperature fluctuations. The Midea central heat pump installed in this house is designed to:

  • To provide stable and comfortable heating for most of the winter

  • Significantly reduce the consumption of older electrical systems alone

  • Operates reliably even in extreme cold , with optimized defrost cycles.

On the most extreme days, the heat pump can be supported by an electric backup integrated into the air handler, thus ensuring constant comfort throughout the house.


A sustainable investment for the owner

Thanks to this installation, the owner now benefits from:

  • A modern 4-season system for his entire property

  • An expected reduction in energy costs , particularly in winter

  • Offering a superior level of comfort , with a more stable and consistent temperature

  • The increased resale value of his home, thanks to the presence of a recently installed Midea central heat pump, has increased its resale value.

  • A device installed according to best practices, ready to be maintained and monitored for many years


AirGreen, your partner for Midea central heat pumps on the North Shore and in Greater Montreal

At AirGreen, we support homeowners in Blainville, Terrebonne, Laval, and throughout Greater Montreal with their heating and air conditioning modernization projects. For every Midea central heat pump installation, we:

  • Let's carry out a detailed assessment of the house's thermal load.

  • We recommend the right capacity and equipment configuration

  • Let's plan an optimal route for the outdoor condenser and connections.

  • We ensure a complete commissioning , including performance testing and explanations to the client.

  • We offer after-sales and maintenance services to ensure the longevity of the installation.

If you also wish to transform your existing system into a high-efficiency Midea central solution , our team will be happy to study your project and offer you a tailor-made installation.

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 ducts, the current indoor module, the electrical panel and the planned spot for the outdoor unit.

  1. The on-site estimateWe look at the ducts, the current indoor module, the electrical panel and the planned spot for the outdoor unit.
  2. The quoteThe equipment combination, capacity and price, in writing. We check whether the combination qualifies for assistance programs.
  3. Getting readyAccess protected, old unit disconnected and removed when it is being replaced.
  4. The indoor moduleElectric furnace or air handler, with its coil, connected to the supply and return ducts.
  5. The outdoor unitOn a level base, raised above the snow, with free space all around.
  6. The refrigerant linesInsulated, they enter through a sealed opening and run to the indoor coil.
  7. Electrical and thermostatDedicated circuits, accessible disconnect, a thermostat that works with the heat pump and the backup heat.
  8. Tests and start-upLeak test, vacuum, start-up, airflow check and a test of both modes.
  9. The walkthroughFilter, thermostat, backup heat in extreme cold: what to know before winter.
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 electric furnace, 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.

    • Check the indoor module's filter.
    • Clear winter debris from the outdoor unit.
    • Test cooling before the heat arrives.
    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

    11 questions
    Can I keep my current ducts?
    Often, yes: the central heat pump connects to the existing ducts. We check their condition and size during the estimate.
    What happens in extreme cold?
    The indoor module (furnace or air handler) works with the central heat pump and takes over in extreme cold.
    Furnace, air handler, ducted: what is the difference?
    The furnace or air handler is the indoor module of the central system. A ducted system hides in the ceiling: all you see are small supply grilles.
    Are there grants?
    Depending on the equipment and your situation, assistance programs may apply. AirGreen checks the exact combination before quoting an amount. See the grants.
    Do I need a permit?
    Rules vary from city to city. See permits and by-laws, and we check for your address.
    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.
    Will my current thermostat work?
    Not always: the thermostat has to run the heat pump and the backup heat. We check compatibility during the estimate.
    Central or wall units: which one?
    If the house has ducts in good shape, a central system heats and cools every room at once. Without ducts, wall units or a multi-zone are often simpler. We compare on site.
    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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