It’s easy to forget, but we wouldn’t recommend it. Getty Images Changing your air filter is one of those out-of-sight, out-of-mind household chores that’s often neglected. The truth is, however, that ...

Change the air filters for your home's heating and air conditioning system every 90 days. But also: Do it more often if you have pets or allergies. How often is more often, you ask? Let's get into the ...