1. Check around doors, windows and fireplaces that are drafty and seal off these leaks.
2. Don't heat areas of your house that you don't use regularly.
3. Turn down the heat a bit and put on a sweatshirt and sweatpants or a sweater.
4. Clean or change any filters that are dirty.
5. If your water heater is in an unheated space, wrap it with an insulation blanket available at hardware stores to prevent heat loss.
6. Open the blinds and curtains and let the sun shine heat your home.
7. Run ceiling fans in reverse to push warm air back down.
8. Wash clothes in cold water when possible.
9. Use extra blankets at night.
10. Light the fireplace.