Add Yahoo as a preferred source to see more of our stories on Google. A hand presses a button on a thermostat - Maryna Terletska/Getty Images If your home's HVAC system uses a heat pump, it's likely ...

(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 warmth, ...