Adding insulation is the simplest and easiest way to cut heating costs and save energy. Learn how to insulate your home to save the most energy and cut down on heating costs. Find out why an air filter is the first step to maintaining a forced air heating and cooling system and get a furnace maintenance checklist. Plus get answers to your home improvement questions about cleaning gutters, fixing a settling foundation, venting an attic, eliminating mice in a dropped ceiling, installing radiant heating in a driveway, replacing windows with energy efficient ones, whole house humidifiers and tiling a kitchen countertop.