Thermostat reads EM HEAT

Does Em Heat Mean There’s a Problem?

Why am I seeing Em Heat on the thermostat? Relax, it’s not broken, there is no emergency. “Em Heat” is a misnomer. You may also see AUX Heat, for auxiliary, also not an emergency, not broken. So What’s the Story with Em Heat? The Em Heat kicks on when the temperature drops and it gets […]

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