Conventional wisdom says to turn your thermostat down in the winter when you want to save on energy costs. Knock it back 10 to 15 degrees, and you’ll save about 10 percent on your heating bill annually.
Some estimates are even more optimistic. According to the California Energy Commission, you can save 5 percent for each degree you set your thermostat below 70. Dialing your thermostat back is a great way to trim costs, but it’s hardly the only option for economically minded homeowners.
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