Replace HVAC air filter
Why it matters
A clogged filter makes your HVAC work harder, raises energy bills, and circulates dust and allergens. It's also the #1 cause of preventable HVAC breakdowns.
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How to do it
- 1
Turn off the HVAC system.
- 2
Locate the filter slot (usually at the return air vent or air handler).
- 3
Note the size printed on the filter edge.
- 4
Slide out the old filter and insert the new one with the arrow pointing toward the unit.
- 5
Mark the installation date on the filter.