Heat pumps: what they do and why they’re hot now

A heat pump installed outside a house on February 8th, 2018, in Cardiff, Wales. | Image: Matthew Horwood/Getty Images The humble heat pump has finally found its moment in the spotlight. The appliance can potentially save you money on your energy bills, fight climate change, and reduce Europe’s dependency on Russian gas, proponents say. One day, heat pumps might even replace air conditioning and heating systems across the world.
Sure, that sounds super ambitious, but lawmakers are scramblin