But that won’t happen if you manually turn on this thermostat setting. There are a few problems with manually turning on emergency heat. But before we get into why, let’s briefly talk about ...

Once an arctic blast of cold air moves in, a majority of their service calls are related to the need to manually turn on emergency, or "EM" heat. Those in the HVAC business have kept busy since ...

Many thermostats have a setting called EM heat, emergency heat, or auxiliary heat. You shouldn’t normally rely on it to warm your house, but it’s useful when the thermostat’s regular ...

(NEXSTAR) – With frigid temperatures, ice and snow in the forecast for much of the U.S. this week, heaters practically everywhere are going to be working overtime. If you’re not feeling the ...