Making Sense of Emergency Heat for Heat Pump Settings
You might have noticed that little "Em Heat" switch on your thermostat and wondered exactly what emergency heat for heat pump systems is designed to do when the winter air starts biting. It's one of those features that usually sits there untouched for years, but the second your house starts feeling chilly, it suddenly becomes the most important button in the world. If you've ever felt a bit confused about when to flip that switch—or worried that you're going to blow up your electric bill—you aren't alone. ...