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Réparation d’un climatiseur mural Midea à Rosemont–La Petite-Patrie
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Midea wall-mounted air conditioner repair in Rosemont–La Petite-Patrie

A fast and efficient service call from AirGreen

In Montreal's bustling Rosemont–La Petite-Patrie neighborhood, a homeowner contacted us after noticing that their Midea wall-mounted air conditioner was no longer producing cold air. In the middle of the mid-season, this type of breakdown can be a sign of an electrical problem or a lack of maintenance—two causes we frequently encounter during our HVAC repairs in Montreal.

At AirGreen , we know that a well-maintained Midea system can provide years of reliable comfort. But when a unit starts blowing lukewarm air or making unusual noises, it's time to intervene before the situation gets worse.

Diagnosis: loss of performance and abnormal noise

Upon arrival, our technicians noticed that the outdoor unit, installed on a wall bracket above a canopy, was making an intermittent clicking noise and reduced airflow. After a few tests, the diagnostic revealed:

  • A clogged condenser coil causing poor heat dissipation;

  • Dust accumulation in the fan , causing imbalance and abnormal noise;

  • A partial lack of R-32 refrigerant , probably linked to a microleak at a flare connection.

These symptoms explain the loss of power observed by the customer and the unusual increase in his electricity consumption over the past few weeks.

Intervention: deep cleaning and complete recharge

Our experts have undertaken a complete maintenance of the Midea wall-mounted air conditioner:

  1. Cleaning the condenser using a high-performance biodegradable product;

  2. Disassembly and balancing of the fan to eliminate vibrations;

  3. Nitrogen leak test to confirm the presence of a micro-leak on a fitting;

  4. Flare fitting repair and gasket replacement ;

  5. Recharge the refrigeration circuit with R-32 according to the manufacturer's specifications;

  6. Complete verification of pressures, temperatures and electrical intensities;

  7. Cleaning the condensate drain and checking the drainage flow.

Results: restored comfort and optimized efficiency

As soon as it was turned back on, the Midea air conditioner returned to optimal performance. The air supply was at 7°C, the pressure was within the nominal values, and the operating noise had disappeared. The customer immediately noticed the difference: the indoor temperature stabilized within a few minutes.

This type of intervention demonstrates the importance of regular maintenance and annual inspection of the HVAC system, especially before summer. At AirGreen, we always recommend a spring inspection to avoid sudden breakdowns during hot weather.

AirGreen Expertise: Reliability Above All

This case perfectly illustrates our approach:

  • Precise and transparent diagnosis from the first call;

  • Rapid intervention in the Rosemont–La Petite-Patrie sector, in less than 24 hours;

  • Certified and trained technicians on Midea , Gree , Fujitsu , Sharp , Goodman , and many other equipment;

  • Parts and refrigerants comply with Canadian environmental standards.

Our customers benefit from professional service, with no surprises, with a guarantee on labor and repairs carried out.

AirGreen tips to avoid this type of breakdown

  1. Clean the internal filters every two months during the usage season.

  2. Ensure a clearance of at least 30 cm around the outdoor unit.

  3. Watch for unusual noises : a clicking or whistling sound is often a warning sign.

  4. Have the refrigeration circuit checked by a qualified technician every year.

  5. Avoid using “Dry” mode continuously , which can put unnecessary strain on the compressor.

These simple actions can extend the life of your wall-mounted air conditioner and preserve its energy efficiency.

Why choose AirGreen for your HVAC repairs in Montreal

We operate in Montreal, Laval, Longueuil, on the North Shore and the South Shore , for all your needs in repair, maintenance and installation of residential and commercial HVAC systems .
Our commitment: to offer fast, professional and sustainable service, supported by a team passionate about energy performance and the comfort of Quebecers.

At AirGreen , every repair is an opportunity to bring your HVAC system back to life and guarantee your peace of mind, summer and winter.