Change or clean your furnace filter once a month
“Dust and dirt can quickly clog vital parts, making your furnace run harder and eventually break down.”
http://www.powerhousetv.com/Energy-EfficientLiving/Energy-savingsTips/027471
“Dust and dirt can quickly clog vital parts, making your furnace run harder and eventually break down.”
http://www.powerhousetv.com/Energy-EfficientLiving/Energy-savingsTips/027471