Keep window coverings open on sunny days to let in the sun's warmth. Close them to insulate against cold outside air at night. Use kitchen, bath and other ventilating fans sparingly in cold weather. In just one hour, these fans can blow away a house full of warm air. Consider replacing old furnaces and gas appliances with energy efficient gas appliances.
Every family needs hot water.
But, when it s heated by electricity, it costs about twice as much as water heated by natural gas. On a cold day there is nothing more comfortable than the reliability and warmth provided by a natural gas furnace or space heater. If you have an electric heat pump, an electric furnace or electric strip heater in your home, you know the problems of electric heat. The air from an electric heat pump is not warm, it does not work on cold days, electric resistance heat is very expensive.