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Réparation d’un climatiseur mural Gree à Saint-Bruno
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Gree wall-mounted air conditioner repair in Saint-Bruno

Accurate diagnosis and efficiency from AirGreen

At AirGreen , we were recently called to Saint-Bruno for an HVAC service call regarding a Gree wall-mounted air conditioner that was no longer producing sufficiently cold air. The customer, noticing a stagnant indoor temperature despite a low setting, preferred to call our certified technicians for a quick assessment before the arrival of the hottest days.

Inspection and technical analysis

When we arrived, the Gree wall-mounted air conditioner was working, but the temperature measured at the air outlet was well above normal. Armed with our professional infrared thermometer , we recorded a temperature of 15.3°C at the diffuser outlet, while a system in good condition should blow around 7 to 9°C in air conditioning mode.

This reading clearly indicated a drop in performance of the refrigeration circuit . We then carried out a complete diagnosis including:

  • Check filters : slightly dirty, but not so dirty as to block airflow.

  • Inspection of the evaporator coil : presence of dust and greasy deposits reducing heat exchange.

  • Analysis of the compressor and outdoor condenser : compressor functional, but insufficient refrigerant pressure .

  • Test of electronic boards and temperature sensor : normal operation.

Repair intervention

Once the diagnosis was confirmed, our technicians took the following steps:

  1. Complete cleaning of the indoor coil and filters to restore optimal air circulation.

  2. Checking the tightness of the refrigeration circuit : detection of a micro-leak on a flare connection to the outdoor unit.

  3. Repair of the fitting , professional tightening with application of torque in accordance with Gree and RBQ standards.

  4. Recharging the system with R410A refrigerant , carried out precisely according to the manufacturer's technical data.

  5. Final performance test : the outlet air temperature dropped back to 7.6°C , confirming the return to optimal efficiency.

Results and customer satisfaction

The customer immediately noticed a significant improvement in indoor comfort , with rapid and quiet cooling. The unit, well maintained and upgraded, should now provide several years of stable operation. We also recommended annual maintenance to prevent further gas loss or reduced efficiency.

AirGreen expertise in Saint-Bruno

Every AirGreen HVAC repair service is carried out with rigor, transparency, and expertise . Our teams follow strict protocols to ensure:

  • An accurate diagnosis from the first visit.

  • Repairs that comply with the manufacturer's and the Régie du bâtiment du Québec (RBQ) standards.

  • Fast and courteous service , available throughout the South Shore , including Saint-Bruno, Brossard, Sainte-Julie and Longueuil .

Whether it's a Gree , Fujitsu , Sharp , Midea or any other wall-mounted air conditioner, our goal remains the same: to restore comfort and energy efficiency to your home .

AirGreen Maintenance Tips

To avoid emergency calls during a heatwave, we recommend:

  • Clean filters every 4 to 6 weeks.

  • Remove obstacles around the outdoor unit.

  • Have the refrigerant and connections checked once a year by a certified technician.

  • Schedule preventive maintenance before summer and before winter for heat pumps.

With regular maintenance and prompt response from our team, your HVAC system can operate at full capacity while reducing your energy consumption.