Veteran-built.
Change HVAC filters and prep the AC
A clogged filter makes the system work harder and raises the bill. Change it every 1 to 3 months.
Photo: our crew
Project calculator
Enter your numbers. Quantities, waste and totals update as you type. Prices are typical San Diego estimates; change them to what you are quoted.
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Tools you need
Check off what you already own.
Estimates only. Buy links open Amazon, Home Depot, Lowe's or Walmart search results; we may earn a commission on Amazon purchases. Check local code and permit rules before you start.
Step by step
- Write down the filter size printed on the frame.
- Swap filters with the airflow arrow pointing toward the unit.
- Vacuum the condensate drain line from outside.
- Set a reminder for the next change.
Get a licensed pro referral
Short on time, or the job needs a license? Tell us the project and the property address area. We will connect you with a licensed local partner and get you a written estimate.
Jobs that require a contractor's license under California law are referred to CSLB-licensed contractors. Check any license at cslb.ca.gov.
Broker, not a contractor. David Thomas Mejia is a California real estate broker (CA DRE #01448424), not a licensed contractor. Work that needs a California contractor's license should be done by a CSLB-licensed contractor; check any license at cslb.ca.gov. Cost ranges on this page are general estimates, not bids.