Steve Scarbrough knows exactly where he’s staying next time he heads to the far north. It’s a little house up in Alaska, less than 1,000 square feet, and it’s got two heat pumps, a furnace, and a heat ...

How low can you go, really? That’s one question Alaska researchers are asking of a new heat pump prototype this winter. The new LG model purports to heat homes effectively even at -30 degrees ...