Changing Your Furnace Filter: A Guide To The Whys And Whens by Mike Rampey | January 10, 2013January 10, 2013 Changing your furnace filter is one the most important maintenance tasks you can perform. Clogged filters can affect proper furnace operation, drag down system efficiency, cost you added energy dollars […]Read More Filed Under: Furnaces Tagged With: change your filter– Changing furnace filter– Filter– filter installation– furnace filter– indoor air quality– maintenance tasks– Oklahoma– Tulsa and Broken Arrow