How Often Should You Replace Your Air Filter
Changing your air filter is very important to keeping your system working at its best. A dirty filter makes the system work harder to do its job and can cause equipment damage. The average household needs to change their air filter every 90 days.
A dirtly filter makes the system work hard to do its job and can cause equipment damage
If you have pets or allergies you may need to change it more often. If it is a vacation home or single occupant home it may only need to be changed every 6-12 months.