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Smart Thermostat Savings: What ENERGY STAR Says and What to Check Before You Buy
ENERGY STAR says a smart thermostat saves about $50 a year. Here are the models Consumer Reports cited, their prices, and the wiring checks to make first.
ENERGY STAR says a smart thermostat saves about $50 a year. Here are the models Consumer Reports cited, their prices, and the wiring checks to make first.