When homeowners hear “you should change your HVAC air filter every 1-3 months,” they often tend to take this as a helpful suggestion toward better indoor air quality rather than a requirement to keep that HVAC system running as well as it should.
The thing is, if you want the most efficient and effective use from your furnace as possible, you should be heeding this air filter advice. It’s one relatively small maintenance task that homeowners can and should do on their own. And you’d probably be surprised to learn just how important the furnace air filter actually is.
It’s actually not in place to protect your indoor air quality (though, of course, it doesn’t hurt) but rather to protect the furnace itself. Read on as we explain!