How Often Should You Change Your Air Filter? A Birmingham HVAC Guide
When was the last time you changed your air filter? It's an easy chore to put off, especially when your heating and cooling system seems to be working fine. For most homes, a standard 1-inch filter needs replacing every 1 to 3 months, and a thicker 4- to 5-inch media filter every 6 to 12 months. Waiting longer lets dust and debris build up, which cuts airflow, raises energy costs, and puts extra wear on your equipment. Does a clean air filter improve indoor air quality? Every time your HVAC...
