An essential intervention to restore the performance of a dirty device
At AirGreen , we recently performed a complete cleaning of a wall-mounted heat pump installed on a terrace in Sainte-Catherine , on Montreal's South Shore. The unit, exposed to the elements for several seasons, showed obvious signs of clogging: saturated filters, obstructed fins, and a slight water leak under the outdoor unit.
Initial state of the heat pump
Upon arrival, our team observed several problems typical of a device requiring maintenance:
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Significant accumulation of dust and debris in the outdoor condenser.
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The protective grille is obstructed , reducing airflow.
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Traces of dirt and moisture on the lower shelf, a sign of a partially blocked drain .
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Black dust-filled interior filters , seriously harming indoor air quality and energy efficiency.
These signs indicated a decrease in performance and increased energy consumption.
The AirGreen cleaning process
We carried out a methodical and thorough cleaning following the manufacturer's recommendations and AirGreen standards:
1. Securing and Diagnosis
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Power outage.
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Complete inspection of the internal and external system.
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Check the condensation drain for any blockages or obstructions.
2. Cleaning the outdoor module
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Removing the panels to access the condenser.
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Compressed air blowing of the fins and fan.
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Application of a specialized biodegradable product to dissolve accumulated grease and dust.
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Rinse at low pressure to avoid damaging the aluminum fins.
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Cleaning of the retention basin and disinfection of wet areas.
3. Maintenance of the interior module
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Removal and complete washing of air filters with an environmentally friendly disinfectant solution.
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Evaporator cleaning using a non-corrosive active foam.
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Gentle suction of residual dust inside the case.
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Disinfection of the fins and the blower fan.
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Checking that the drain is flowing properly after rinsing.
4. Final Check
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Full functional test after reassembly.
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Control of discharge pressure and temperature.
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Monitoring the hot/cold cycle to ensure optimal performance.
Results obtained
After the procedure, the difference was immediate and measurable :
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The airflow has returned to its initial power.
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Noise levels have decreased thanks to the fan cleaning.
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The outlet temperature was more stable and efficient.
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The indoor air has become fresher and healthier , free of dust and allergens.
The customer noted a significant improvement in comfort and a reduction in noise during operation from the very first hours.
Why regular cleaning is essential
Annual maintenance of the heat pump allows for:
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To prevent compressor overheating and costly breakdowns.
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To maintain optimal energy consumption .
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To extend the lifespan of the system.
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To ensure healthy air quality for the occupants.
At AirGreen, we emphasize the importance of prevention rather than repair . Our trained technicians use only safe products that comply with Quebec's environmental requirements.
The AirGreen approach: professionalism and rigor
We offer a complete HVAC cleaning service in Sainte-Catherine and throughout the South Shore , tailored to each type of heat pump. Our commitment is based on:
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Safe and precise interventions.
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Visible results from the first use.
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Complete transparency regarding the methods and products used.
Each cleaning is documented, and we provide the client with a detailed intervention report , guaranteeing the compliance and quality of the work carried out.
AirGreen — Your trusted partner for heat pump cleaning in Sainte-Catherine, Montreal, Laval, Longueuil, North Shore and South Shore.
Give your HVAC system a breath of fresh air and enjoy optimal comfort, summer and winter.