Maintenance Guides / HVAC & Air Quality

Replace HVAC air filter

Difficulty: easyTime: 10 minsEst. Cost: $5 - $25

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.