Comfort restored thanks to a deep cleaning
At AirGreen , we recently performed a complete cleaning of a wall-mounted heat pump in a single-family home in Brossard , on Montreal's South Shore. The client contacted us after noticing a decrease in airflow and a slightly dusty odor when turning on the system.
Initial inspection: signs of necessary maintenance
Our team quickly identified the classic symptoms:
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Filters clogged by a thin layer of dust and textile fibers from nearby curtains;
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Dirty evaporator fins , reducing heat exchange;
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Partially blocked drain , causing a slight accumulation of water;
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Airflow disrupted by the proximity of the curtains, compromising the performance of the blowing.
These combined factors explained the loss of efficiency and the increase in energy consumption.
AirGreen Professional Cleaning Steps
Our certified technicians followed a rigorous protocol:
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Switching off the heat pump and protecting surrounding surfaces;
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Complete removal of filters and washing with a biodegradable product based on mild surfactants;
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Evaporator cleaning using a controlled jet of warm water and a chlorine-free antibacterial disinfectant;
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Suction of the condensate tray and clearing of the drain ;
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Wiping the fan blades and fins with a microfiber cloth;
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Final disinfection of the hull and verification of the proper functioning of the remote control and the oscillating shutter.
Throughout the intervention, we took care to protect the wall and the curtains , avoiding any dripping.
Result: a heat pump that looks like new
At the end of the cleaning, air quality measurements showed:
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An airflow rate 30% higher than the initial state;
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Faster and quieter cooling ;
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No residual odor .
The customer immediately noticed a better distribution of temperature in the room and a decrease in noise level .
The importance of preventative cleaning
An annual professional cleaning allows you to:
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Maintain energy efficiency;
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Preserve indoor air quality;
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Prevent the proliferation of mold;
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Extend the system's lifespan;
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Prevent costly repairs.
At AirGreen , we only use safe and environmentally friendly products , while following the manufacturers' recommendations .
Conclusion: Peace of mind guaranteed by AirGreen
Thanks to this intervention, the customer's heat pump in Brossard has regained its original efficiency.
We remind all owners that regular cleaning of wall units is essential to maintain comfort, health and energy savings — especially before periods of intense heat or cold.
