Remember to change your furnace's filter once every month. A dirty filter means your furnace has to work harder than normal and that uses much more energy. Also, if you have allergies, it can alleviate them getting out of control in the winter from the dust in the ductwork building up and being blown into the house.
By Robin
Editor's Note: Check your furnace manufacturer's instructions for how often your filter needs to be changed. If you don't still have your manual, the manufacturer probably has a website, just type the manufacturer name and "furnace" into Google and you should find the right site.
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