Furnace Filter Replacement - Standard

Inspect the Filter

• Hold the filter up to light and check to see how much light passes through.
• If it is a paper or fiberglass filter and is dirty, replace it.
• If the filter is a dry foam type filter you can wash it out or vacuum it clean.

• Furnace Filter Replacement - Introduction, Difficulty Level and Needed Tools
• Remove Filter for Inspection
• Inspect the Filter
• Replace Filter