Electric heat pumps use much less energy than furnaces, and can cool houses too – here's how they work
- Written by Robert Brecha, Professor of Sustainability, University of Dayton

To help curb climate change, President Biden has set a goal of lowering U.S. greenhouse gas emissions 50%-52% below 2005 levels by 2030. Meeting this target will require rapidly converting as many fossil fuel-powered activities to electricity as possible, and then generating that...