Opening your utility bill can sometimes feel akin to a game of roulette. Will it be higher or lower than last month? Will it make you wince—or breathe a sigh of relief?

While big swings in your bill might call for lifestyle changes, you can still move the needle by paying attention to the surprisingly power-hungry household items found throughout your home. Here, experts reveal which devices and appliances are sneakily driving up your energy bill—and how to keep them in check. Is Your House Always Cold? Try These Tips to Keep It Warm All Winter Long 01 of 05

Thermostats

Heating and cooling is easily the biggest consumer of electricity in any home, and there’s plenty you can do to mitigate costs. You might be overlooking the thermostat itself, though.

“When thermostats aren’t pl

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