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Réparation d’une thermopompe centrale Goodman à Blainville
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Repair of a Goodman central heat pump in Blainville

Heating failure in the middle of a spring thaw: AirGreen to the rescue

At AirGreen , our specialized technicians operate throughout Greater Montreal , on the North Shore , the South Shore , and in Laval , for fast and lasting repairs to residential HVAC systems. This service call in Blainville concerned a Goodman central heat pump , installed for approximately seven years, which was no longer producing heat despite the apparent operation of the outdoor fan.

Initial diagnosis: silent compressor, active fan

Upon arrival, our technicians found that the outdoor fan was spinning normally , but the compressor remained silent—a classic sign of an electrical problem or a faulty starter relay .
After turning off the power and opening the service panel, we performed a series of checks:

  • Stable supply voltage at 240 V;

  • Swollen starting capacitor — a visual indicator of internal wear;

  • Main contactor in good condition, with no signs of burning or oxidation;

  • No short circuit on the compressor windings .

The diagnosis was therefore clear: the compressor start capacitor had to be replaced.

Repair Steps: Getting the System's Core Back Up and Running

Our technicians carried out a complete replacement of the original Goodman compatible 45/5 µF dual capacitor . Once installed, a start-up test confirmed the return to normal:

  1. Immediate start of the compressor without abnormal noise.

  2. Discharge temperature measured at 51°C after three minutes of operation.

  3. Suction temperature stabilized at 12°C, indicating good heat transfer.

  4. Operating pressures balanced according to manufacturer's nominal values.

The system was then tested in both heating and cooling mode to ensure proper operation on both cycles.

Additional inspection: maintenance and prevention

Before concluding the intervention, our AirGreen team carried out a complete inspection of the system:

  • Cleaning the outdoor condenser , partially blocked by plant debris accumulated during the winter;

  • Checking the wiring for any signs of moisture;

  • Cleaning the condensate drain to prevent any backflow during the summer season;

  • Tested the indoor thermostat , which showed a correct calibration after reset.

We also advised the customer to schedule preventive maintenance in the spring and fall , to avoid this kind of critical breakdown at the most inconvenient time.

Result: restored comfort and optimized energy efficiency

Within minutes of the repair, the house was back to a stable and comfortable indoor temperature . The compressor was operating at full efficiency, with improved energy efficiency .
Our technicians left the site clean, took care to explain to the owner the maintenance points to watch out for, and noted the reference of the new capacitor in the AirGreen file to facilitate future monitoring.

Why choose AirGreen for your central heat pump repairs?

We know that an HVAC system represents a major investment in home comfort. At AirGreen , each intervention follows a rigorous approach:

  • Accurate diagnosis , without unnecessary replacement;

  • Use of certified original parts (Goodman, Trane, Lennox, Bosch, Gree, Midea, etc.);

  • Complete transparency in recommendations;

  • Fast and local service , with complete coverage of Montreal, Laval, Longueuil, the North Shore and the South Shore .

We combine cutting-edge technology, ongoing training and a human approach to guarantee a service that is both reliable and pleasant.

AirGreen Tips to Extend the Life of Your Central Heat Pump

  • Turn off the outdoor circuit breaker during ice storms to avoid power surges;

  • Clean the outdoor coils twice a year with a fresh water jet;

  • Change your duct system filters every two to three months;

  • Avoid obstructing airflow around the condenser with objects or plants.

These simple actions can extend the life of your heat pump and significantly reduce your energy costs.

Conclusion

With this targeted repair, our AirGreen team brought a Goodman central heat pump in Blainville back to life, avoiding premature and costly replacement. The system is now operating at its full potential, ensuring consistent thermal comfort and exemplary energy efficiency —true to AirGreen's mission: to provide sustainable, local, and professional HVAC solutions.