What Does EM Heat or Emer Heat Mean on a Thermostat? How Does Emergency Heat Work, and Is It Costing You More?
That EM HEAT or EMER HEAT label on your thermostat isn’t a glitch — but activating it at the wrong time is one of the most expensive thermostat mistakes we see homeowners make. At FilterClarity.com, we’ve tracked how emergency heat affects both energy bills and system wear across real households. What we’ve found consistently surprises … Read more