We are busting some of the misconceptions on how to keep your utility bills down in the winter. Myth: Electric space heaters are better than heating the whole house. TRUTH: These are energy suckers. It is impractical, expensive, and potentially dangerous to have a space heater running for an extended period of time. MYTH: Turning down the thermostat during the day will make my furnace work harder later. TRUTH: Your furnace will run for a shorter time and use far less energy to heat up a cool house than it would if you kept the house warm all day.