- Locate the air filter. Depending on the furnace design, it can either be located in the blower door unit itself or located between the blower and the return air duct. You may need a screwdriver to help pry open the access panel or blower door.
- Remove the filter from its support.
Furnace Filter Replacement - Standard
By Bob Formisano, About.com
To inspect the air filter do the following:
Prev
- Furnace Filter Replacement - Introduction, Difficulty Level and Needed Tools
- Remove Filter for Inspection
- Inspect the Filter
- Replace Filter
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