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What Does EM Heat Mean on a Thermostat?

What Does EM Heat Mean on a Thermostat?

by | Oct 17, 2025 | HVAC tips

Imagine waking up on a cold morning, glancing at your thermostat, and spotting “EM Heat.” You’ve never seen it before, and start wondering what your thermostat’s EM Heat actually means, is something wrong, or is it simply another mode? We have encountered the “EM...