Close vents and doors in unused rooms. Set water heater temperatures at 120 degrees. A family of four, each showering for five minutes a day, uses 700 gallons of water each week. By lowering the thermostat on the water heater, families can reduce water-heating bills without sacrificing comfort. Install water-saving showerheads.
Proper insulation helps keep the house warm in the winter and cool in the summer.
E-Star offers a home energy rating program that can help you identify where the energy leaks are and what improvements to make to reap the greatest level of comfort and energy savings. A full freezer or refrigerator will not only provide peace of mind in case of a snowstorm, it will also use less energy. Use plastic bottles of water if necessary to take up space. Don't overpack though this prevents the air from circulating properly. Run washing machines and dryers with full loads.