What's the difference between heat and emergency heat?
If you're staring at your thermostat during a cold snap and wondering what's the difference between heat and emergency heat, you aren't alone. Most of us don't even think about that "Em Heat" setting until the temperature outside drops below freezing and the house starts feeling a bit chilly. It looks like a tempting button to press when you want to get warm fast, but flipping that switch without knowing how it works can lead to a pretty nasty surprise when your electric bill arrives. ...