Sustainability: The heat pump (which runs on electricity), primarily manages heating and does not rely on fossil fuels, ...

That’s when the National Appliance Energy Conservation Act of 1987 required all new furnaces be 78 percent efficient, meaning ...

In the summer, the ideal temperature for your thermostat is 75 to 78 F when you're home, and 80 degrees when you're away or ...

Why Are There So Many Types of Furnaces? Most American homes rely on a furnace to provide warmth in cold weather. And because ...