Expert intervention to bring a Lennox Elite unit back to life
At AirGreen , we were recently called to work in Outremont , a residential neighborhood in Montreal known for its elegant homes and leafy streets. Our mission: to diagnose and repair a Lennox Elite central heat pump that was no longer providing optimal thermal comfort to the residence, both in terms of heating and cooling.
Diagnosis: a progressive loss of performance
The owner had noticed insufficient cooling and abnormal noise coming from the outdoor unit for several days. This type of symptom is common on Lennox Elite models after several years of use, especially when the heat pump is operated without regular seasonal maintenance.
Our technicians carried out a complete inspection of the HVAC system , checking:
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The refrigerant pressure ;
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The condition of the condenser and evaporator ;
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Electrical contacts and starter relay ;
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The fan motor and blades;
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The level of cleanliness of the coils .
The diagnosis revealed a slight refrigerant leak at the low pressure connection as well as a weakened capacitor , responsible for the hesitant start-up of the compressor.
Repair: refurbishment of the refrigeration circuit and critical components
Once the problem was identified, our team undertook the complete repair, adhering to Lennox's rigorous safety and performance standards.
Steps of the intervention:
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Refrigerant recovery to avoid any emissions into the atmosphere;
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Replacement of the starting capacitor (model 45/5 µF, compatible with Lennox Elite);
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Brazing and resealing of the copper connection on the low pressure line;
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30-minute nitrogen leak test ;
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Complete system vacuum draw down to 500 microns;
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Accurate R-410A refill according to technical label specifications;
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Restart and calibrate the indoor airflow.
Result: restored energy efficiency
After the repair, we performed a full performance test . The Lennox Elite heat pump returned:
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Stable pressure on the lines;
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A blown air temperature of 11°C in air conditioning mode ;
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Optimized electricity consumption ;
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And above all, a considerably reduced noise level .
The customer immediately noticed a difference: his home returned to a consistent and comfortable temperature, while reducing his energy bill.
Maintenance tips to extend the lifespan
We took advantage of the visit to remind the owner of some good preventive maintenance practices :
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Clean the outdoor condenser regularly with fresh water to prevent fouling;
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Replace the internal filters every 2 to 3 months;
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Schedule a complete HVAC maintenance before each heating or cooling season;
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Monitor for abnormal noises or vibrations , often the first signs of failure.
These simple actions can extend the life of a Lennox heat pump by several years and maintain energy efficiency close to original conditions.
Why trust AirGreen?
Our team of certified technicians has extensive expertise on Lennox, Midea, Trane, Goodman, Fujitsu, and several other well-known brands . At AirGreen , every intervention is carried out with the same rigor:
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Accurate and transparent diagnosis ;
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Original or certified compatible parts ;
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Compliance with environmental and safety standards ;
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Fast service throughout Greater Montreal, Laval, the North Shore and the South Shore .
We understand how disruptive a heat pump breakdown can be to your daily life. That's why we do everything we can to restore your comfort as quickly as possible , while guaranteeing long-lasting and professional service.
Conclusion: comfort restored in Outremont
This intervention perfectly illustrates AirGreen's philosophy : combining technical expertise , rigor and impeccable customer service . Thanks to our work, this Lennox Elite central heat pump has regained all its power, ensuring optimal comfort for the occupants of an elegant home in Outremont.
AirGreen – Your HVAC expert in Montreal, Laval, North Shore and South Shore.
For any Lennox heat pump repair, maintenance or replacement needs, contact our team today.