There are a couple different schools of thoughts when it comes to changing out your air filter.  Some say that if you do not have a pet that you can go 90 days, others say subtract 30 days for every pet.  We recommend every 30 days to ensure all pollen and allergens are not circulating through your home. How often do you change your air filter? #WisdomWednesday #Nashville #Local #SmallBiz #CleanHouses #Housekeeping #Entrepreneur