#15: Close fireplace and wood stove dampers when not in use. (For safety's sake, wait several hours after the fire dies.)
Cost: Free Savings: Varies*
Warm air rises right up an open chimney. Its like leaving a four-foot window in your home wide open. If you can still feel a draft with the damper closed, consider installing tight-fitting fireplace doors or a fireplace draft stopper plug.
*Individual experiences may vary, check with PGE or your retailer for more info.