A man kneels while pulling a dirty filter out of a furnace - Backyardproduction/Getty Images Changing your furnace filter is one of those home maintenance chores that's easy to forget until you've got ...

If you’re thinking you only have to change your furnace filter once a year, you may be shortening the life of your furnace.

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If your heating bill has recently climbed, or your furnace seems to be running more than usual, the problem could be something simple: a dirty furnace filter. It’s easy to overlook, but this small ...