How often should residential HVAC systems be cleaned?

Typically, HVAC systems should be inspected for cleaning around every 5 years. Frequency of
cleaning depends on several factors. Some of the things that may lead a home owner to consider
more frequent cleaning include:
. Smokers in the household.
. Pets that shed high amounts of hair and dander.
. Water contamination or damage to the home or HVAC system.
‘ Residents with allergies or asthma who might benefit from a reduction in the amount of indoor air
pollutants in the home’s HVAC system.
. After home renovations or remodeling.
. Prior to occupancy of a new home.

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