Dust and debris will be blown inside the house by compressed air used to clean the inside evaporator coil. To quickly and moderately effectively remove surface dust, dirt, and debris from the coil, compressed air can be used.

We refer to what some people might refer to as a squirrel cage blower wheel as a forward-curved centrifugal fan. Depending on usage and the residence, blower wheels typically need to be retrieved and cleaned every 3 to 5 years. Your HVAC system's …