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The Family Handyman on MSN

How to Change a Dirty Furnace Filter

Changing a furnace filter regularly will improve your heating in the winter and your air conditioning in the summer.
When you want to keep your home's heating and cooling system running smoothly, one of the best steps you can take is cleaning ...
Our recent article about energy-recovery ventilators (Ventilate Your Home with Minimal Energy Loss) stated that using a “true high-efficiency particulate air (HEPA) filter” in your forced-air heating ...