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Educational Information Only: This guide is for general reference, not professional advice. Actual costs, time, and complexity vary. Improper repairs can cause damage, injury, or code violations. Consult a licensed professional if you're unsure.
HVACEasy
Replace HVAC Filter
Improve air quality and HVAC efficiency. Should be done every 1-3 months.
Estimated costs — actual prices vary by location and materials
DIY Estimate
$20
Time Estimate
5 mins
Pro Estimate
$75
Estimated difference: $55
Step-by-Step Guide
- 1
Turn off HVAC system
- 2
Locate filter (usually in return air vent or furnace)
- 3
Note the size printed on existing filter
- 4
Remove old filter, noting airflow direction arrow
- 5
Insert new filter with arrow pointing toward furnace
- 6
Turn system back on
🧰 Tools & Materials
- ✓ New filter (correct size)