According to ENERGY STAR, you should be checking and changing your furnace’s air filter every month during peak heating season. That’s probably more often than you need to be calling in your trusty HVAC service guy. We love to see you, of course, but this is a job that you can probably handle on your own if you choose to do so.
If you plan to stay on top of this important furnace maintenance task yourself, let your service guy know when he comes to do your fall furnace maintenance before you start up your furnace for the heating season. He can make sure you have plenty of the right filters on hand, and can show you or your maintenance crew the steps to properly insert and remove the air filter.
Here are the simple steps to help you get it done.