Installation d’une Gree thermopompe murale à Saint-Laurent
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Installation of a Gree wall-mounted heat pump in Saint-Laurent

A modern and efficient HVAC solution for optimal comfort

At AirGreen , we recently completed the installation of a Gree wall-mounted heat pump in a residence in the Saint-Laurent district of Montreal . This project perfectly illustrates how compact, well-chosen and properly installed equipment can transform the interior comfort of a home while reducing energy consumption.

Installation context

The client, the owner of a bright condo, wanted to improve their comfort in both summer and winter. The existing system—an electric baseboard heating system—offered neither the desired energy performance nor consistent comfort. After analyzing the space and needs, we recommended adding a Gree wall-mounted heat pump for its proven effectiveness in the Greater Montreal climate.

Machine Features

  • Brand : Gree

  • Type : Wall-mounted heat pump (mini-split)

  • Capacity : sized according to the volume of the main room, optimized to cover the living area without overconsumption

  • Performance : Energy-efficient inverter system, operating efficiently down to -25°C, ideal for Montreal winters

  • Grant eligibility : eligible for energy efficiency programs in effect in Quebec (LogisVert and provincial programs linked to Energy Star)

Installation process

The installation was carried out in the main living room , above the television, so as to ensure even air distribution.
The key steps:

  1. Discreet wall opening behind the unit to run the refrigeration and electrical connections.

  2. Routing of the conduits directly to the exterior, with careful cladding using white capping, blending in with the walls.

  3. Secure electrical connection via the main panel, complying with RBQ and CSA standards.

  4. Commissioning and calibration of the machine for optimal airflow and quiet operation.

The drainage system could be configured as gravity-fed , thus avoiding the addition of a condensate pump. This reduces the risk of additional breakdowns and simplifies future maintenance.

Challenges encountered and solutions provided

  • Limited space between the ceiling and the unit : we carefully positioned the heat pump to ensure sufficient access to the upper ventilation, while respecting the aesthetics of the wall.

  • Presence of baseboard heaters : we coordinated the installation in such a way as to preserve their integrity, allowing the client to maintain a supplementary heating solution.

Results obtained

  • Immediate comfort : the customer benefits from fresh, uniform air in summer, as well as gentle, constant heat in winter.

  • Preserved aesthetics : the interior unit blends harmoniously into the minimalist decor of the living room.

  • Energy savings : the heat pump significantly reduces dependence on electric baseboard heaters, offering an accelerated return on investment.

Maintenance and sustainability

At AirGreen, we always emphasize the importance of regular HVAC maintenance : filter cleaning, refrigerant level checking, and annual inspection by our certified technicians. This ensures the longevity of the unit and maintains its optimal performance.

Why choose AirGreen for your HVAC installation in Montreal?

  • Recognized expertise in the installation of wall-mounted heat pumps of all brands, including Gree.

  • In-depth knowledge of grants available in Greater Montreal, Laval, Longueuil, North Shore and South Shore.

  • Turnkey service : needs analysis, personalized recommendations, professional installation and after-sales follow-up.

  • Quality commitment : each project is carried out in compliance with the strictest standards, with constant attention to detail.

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