Installation d’une thermopompe murale Gree dans un immeuble résidentiel à Saint-Laurent
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Installation of a Gree wall-mounted heat pump in a residential building in Saint-Laurent

A high-rise HVAC project that demonstrates our expertise

At AirGreen , each wall-mounted heat pump installation is unique and must be designed to integrate perfectly with the building's architecture. In this example, our team was commissioned to install a Gree wall-mounted heat pump in a red brick residential building located in Saint-Laurent, Montreal . The outdoor unit is mounted high up on a side wall of the building, a demanding configuration that showcases our technical know-how and experience in HVAC installation in complex contexts.

Client context and needs

The owner wanted to provide greater comfort to the occupants of one of the units, with an energy-efficient solution capable of providing heating and cooling throughout the year. The main objective: to install a high-performance, discreet, and durable heat pump, without encroaching on floor space, while respecting the building's safety and aesthetic standards.

Choosing a heat pump: Gree, a guarantee of reliability

We proposed a Gree wall-mounted heat pump , recognized for its performance in the Quebec climate and its excellent value for money. This unit, adapted to Montreal's harsh winters, ensures stable performance even when temperatures drop. The selected model is from the Energy Star range, qualifying for HVAC subsidies available in Montreal, Laval, Longueuil, on the North Shore and the South Shore.

Technical challenges encountered

High-rise installation

The choice of the exterior wall required a high installation, requiring a system of robust brackets capable of supporting the unit while ensuring its stability. Our technicians worked several meters above the ground, which required the use of specialized safety equipment.

Routing of conduits

The refrigeration piping and electrical wiring were carefully planned. The connections were routed through the side façade of the building, with protective capping ensuring both watertightness and a neat aesthetic finish.

Condensate management

Given the installation height, we opted for gravity drainage of the condensate, thus avoiding the need for an additional pump. This reduces the risk of additional maintenance and increases the reliability of the system.

Final result

The completed installation offers a discreet aesthetic despite the complexity of the installation. The securely mounted outdoor unit operates silently and ensures optimal energy efficiency. Residents now enjoy increased comfort in both summer and winter, with a system that reduces their energy bills and improves the value of their homes.

Why choose AirGreen for your HVAC installations in Montreal?

  • Expertise in complex contexts : high-rise buildings, Montreal plexes, single-family homes.

  • High-performance and reliable equipment : partnership with recognized brands such as Gree, Fujitsu, Sharp and Midea.

  • Grant eligibility : support to maximize available financial aid.

  • Safe and guaranteed work : strict compliance with RBQ standards and the Building Code.


By entrusting your project to AirGreen, you benefit from a team specialized in the installation of wall-mounted heat pumps in Montreal, Laval, Longueuil, North Shore and South Shore , capable of meeting the most demanding constraints while guaranteeing performance, safety and durability.

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