How Can I Tell if My Home's Thermostat Is Broken?

How Can I Tell if My Home's Thermostat Is Broken?

A thermostat can malfunction because of dead batteries, power outages, or dirt buildup. If it’s more serious, though, it could be time for a new thermostat..
Any time your air conditioner or furnace doesn’t deliver the desired temperature, it could mean your home has a broken thermostat. A broken thermostat is more than an annoyance - it could quickly cause your house to get uncomfortably hot or cold, and it often leads to substantial energy waste as well. 

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