1. Insulate your home.
2. Buy energy-efficient appliances.
3. Caulk and weatherstrip doors and windows.
4. Install storm windows.
5. Close off unused areas in your home from heat and air conditioning.
6. Wear warm clothing and turn down winter heat.
7. Switch to low-wattage or fluorescent light bulbs.
8. Turn off all lights that don’t need to be on.