30 Days: Reduce Airborne Allergen Sensitivity
If anyone in your household has allergies, you should be changing your air filter on a monthly basis. Air filters go a very long way towards reducing particulates in the air, and airborne allergens trigger those runny noses, itchy eyes, breathing troubles and other symptoms of seasonal allergies. Filter those allergens out of the air in your home by keeping your AC filter clean.
60 Days: Remove Pet Dander, Dust and Fur
Households with pets should be changing out your air filter every 45 to 60 days. The dander, dust, feathers and fur from your pets that gets into your system will foul your air filter. Since keeping the filter clean is essential to having your system run at its highest efficiency, you should change it fairly often if you are a pet owner.
90 Days: Household Health and Wellness
A homeowner should change their AC air filter at least every 60 to 90 days. Two or three months is the general length of time it takes for an air filter to get clogged with the many particles it pulls out of the air. Obviously, the more often you change your filter, the cleaner it will be. Sign up now!
Bonus Tip: Make Your Whole House Smell Great.
Adding a few small drops of essential oils to your freshly changed air filter can spread the fresh scent throughout your whole house. No need for sprays or scented candles.