AAS American Filters

The general recommendation is to change your furnace filters at least every 90 days. However, this is just a generalized recommendation, and other factors come into play that can decrease the longevity of the furnace filter.

If you smoke, vape or have indoor pets, it might be better to replace your air filters every 60 days. If allergies or asthma are an issue in your household, replacing your filters every month could help keep the air cleaner, especially with a higher MERV rated filter.

The general recommendation is to change your furnace filters at least every 90 days. However, this is just a generalized recommendation, and other factors come into play that can decrease the longevity of the furnace filter.

If you smoke, vape or have indoor pets, it might be better to replace your air filters every 60 days. If allergies or asthma are an issue in your household, replacing your filters every month could help keep the air cleaner, especially with a higher MERV rated filter.