Fall / winter

Musty smell when the heat pump switches to heating

The first heating days sometimes bring a musty startup smell. Dirt and moisture on coils and pans are a common cleaning path.

HVAC, ventilation and refrigeration cleaning specialists

Climeo cleans HVAC, ventilation and refrigeration equipment across Greater Montreal — wall units and heat pumps, ducts and air exchangers, dryer vents, humidifiers and commercial refrigeration. Cleaning and maintenance is the specialty, with online booking for homes and quote-based service for buildings.

Illustration of a heat pump with airflow and odor indicators

What you can request

Climeo cleans filters, coils, blowers, and drain paths and can document visible conditions. For persistent health symptoms, consult a healthcare professional; for extensive contamination, request a specialized assessment.

  • Accessible cleaning
  • Photo documentation
  • Related musty/airflow guides

Best for

  • Heat-pump households
  • Condo suites starting heat

How Climeo helps

Request AC/heat-pump cleaning or a commercial quote for multi-unit lists.

Typical scope

  • Accessible indoor head cleaning

Outside this page

  • Mould remediation certification
  • Medical advice
  • Guaranteed odour elimination

Questions about this service

Is the smell mould?

Appearance or smell alone may not identify a substance. Climeo cleans accessible dirt and residue; specialized assessment may be needed for building contamination.

Related Climeo pages