DIY home guide: Winter
How to protect the value of your property, cut energy costs, avoid costly repairs, and spiff up your surroundings this winter.
Cost: $40 to $70
Install a programmable thermostat, and you can shave 10% off your heating and cooling costs, says the U.S. Department of Energy.
NEXT: Be fire ready
Last updated January 28 2011: 4:46 PM ET