Most furnace filters should be replaced every 1 to 3 months, depending on filter type, system usage, and household conditions.
Dirty filters restrict airflow, forcing the furnace to work harder and reducing efficiency. Homes with pets, allergies, or high dust levels may need more frequent filter changes.
Regular filter replacement helps protect the furnace, improves indoor air quality, and supports consistent heating throughout the home.
Radiant advises homeowners in Austin and San Antonio on the right filter type and replacement schedule for their specific systems.
