Installation of a Midea wall-mounted heat pump in Saint-Léonard

In Saint-Léonard, in a typical brick duplex in northeast Montreal, the owners wanted to modernize their air conditioning system while preparing for rising electricity rates. Their goal: year-round comfort , less noise, and better energy control, without major interior renovations.

We recommended they install a Midea wall-mounted heat pump , a compact, efficient solution perfectly suited to the realities of Montreal's climate.

The project in summary

• Location: Saint-Léonard (Montreal)

• System type: Wall-mounted heat pump (mini-split)

• Brand: Midea

• Model: Midea28 Wall-Mounted Heat Pump (R-454B) – 18,000 BTU

• Use: Air conditioning of the main floor and efficient heating in the mid-seasons, supplementing electric baseboard heaters in winter

The house already had conventional electric heating. AirGreen's mandate: to add a Midea wall-mounted heat pump to reduce electricity bills, improve summer comfort, and provide gentle warmth in spring and autumn.

Why choose a Midea wall-mounted heat pump in Saint-Léonard?

1. Excellent energy efficiency

The Midea28 (R-454B) range is designed to offer very high energy efficiency , both for air conditioning and heating. Thanks to inverter technology, the compressor continuously adapts its power to the actual needs of the home.

In practical terms, this means:

• Fewer abrupt starts/stops;

• A more stable indoor temperature;

• A significant reduction in energy consumption compared to a traditional air conditioner and purely electric heating.

For a family in Saint-Léonard who uses their appliances several months a year, this gain in efficiency translates directly into savings on the Hydro-Québec bill .

2. Performance in Quebec climate

The Midea28 heat pump is designed to operate efficiently in low outdoor temperatures . It still provides good heating capacity when the mercury drops below zero, making it an ideal complement to baseboard heaters or an electric furnace.

In practice:

• In autumn and spring , the heat pump covers almost all heating needs;

• In winter , it significantly reduces the operating time of electric baseboard heaters;

• In summer , it provides fast and quiet air conditioning for the main living area.

A clean and well-thought-out outdoor installation

The photo shows the Midea condenser fixed to the exterior wall, on the courtyard side. Several technical choices were made to guarantee a high-performance, durable, and aesthetically pleasing installation.

1. Installation on wall brackets above the floor

The outdoor unit is installed on galvanized steel wall brackets , securely anchored in the foundation:

• The device is elevated to keep it safe from the accumulation of snow and ice;

• This protects the bottom of the condenser and facilitates the flow of defrost water in winter;

• This configuration also limits the risk of mechanical damage (shovel, snowblower, debris, etc.).

This carefully calculated height is essential for the longevity of the heat pump in a neighborhood like Saint-Léonard, where winters can be particularly snowy.

2. Compliance with clearances and air circulation

Even though the condenser is installed in a side passage, we have complied with:

• The clearances recommended by Midea around the device;

• Sufficient distance from the cedar hedge to avoid any obstruction of airflow;

• A positioning that minimizes the transmission of noise to neighbors and rooms.

Good air circulation around the condenser is crucial to ensure optimal performance and prevent overheating in summer or frost buildup in winter.

3. Refrigeration lines and power supply

The following can be seen in the photo:

• The vertical protective sheath that runs up the wall to the soffit: it contains the refrigeration lines, the communication cable and the drain;

• The electrical disconnect box in the immediate vicinity of the unit, conforming to the requirements of the Electrical Code;

• The wiring is protected in a metal conduit for better resistance to shocks and weathering.

As always, our technicians ensure that the installation is 100% compliant , both electrically and in terms of good refrigeration practices (vacuuming, refrigerant charge checked, leak tests, etc.).

Interior integration and everyday comfort

Although the photo shows the outdoor condenser, this installation is associated with an indoor Midea wall head located in the main living area (living room/dining room).

1. Optimized air diffusion

The wall-mounted head was positioned so that:

• Sweep as much of the floor as possible;

• Avoid blowing directly on the occupants;

• Promote minimal air stratification , both in air conditioning and heating modes.

The motorized louvers of the heat pump allow horizontal and vertical sweeping , ensuring a uniform temperature in all the rooms served.

2. Quiet operation

Midea equipment is appreciated for its low noise level , both indoors and outdoors.

For the occupants, this translates to:

• A discreet breath of air, even in the middle of a heatwave;

• Reduced outside noise, respectful of the neighborhood;

• The ability to leave the device running at night without disturbing sleep.

Results for Saint-Léonard homeowners

After commissioning and final adjustments, customers quickly noted:

• Significantly improved comfort in summer, with a cool room even during periods of intense heat;

• Gentle and constant warmth in spring and autumn, without overheating or dry air;

• An anticipated reduction in their electricity bill , thanks to the high efficiency of the Midea wall-mounted heat pump;

• An exterior facade that remains clean and tidy , despite the addition of HVAC equipment.

This installation perfectly illustrates how a well-sized Midea wall-mounted heat pump can transform the comfort of a Saint-Léonard home, while blending harmoniously with a brick facade typical of Greater Montreal.

AirGreen: Your Midea heat pump expert in Greater Montreal

By choosing AirGreen, homeowners benefit from:

1. From a personalized assessment of their situation (surface area, insulation, exposure, budget);

2. Clear recommendations on capacity and the most appropriate Midea model (Midea28, Midea35, etc.);

3. A professional installation , carried out by certified technicians accustomed to the Quebec climate;

4. Comprehensive after-sales service : maintenance, cleaning, technical support and advice on optimal use of the heat pump.

Whether you live in Saint-Léonard, Montréal-Nord, Anjou, Laval or the South Shore, we are here to support you in your Midea wall-mounted heat pump project.

AirGreen – Your Midea heat pump specialist in Greater Montreal.