Geothermal heating and cooling could eventually be brought into homes and buildings using heat pumps, which are highly efficient appliances that circulate warm or cool air through buildings ...

It's a type of heating and cooling system that can help you save money while also minimizing your environmental footprint amid the climate crisis. Unlike gas-powered furnaces, heat pumps don't ...

Heating something up will always be quicker than cooling it down on a microscopic scale, according to a proposed new principle of thermodynamics. The two processes, long thought of as two sides of ...

Illustration by Sarah Cheney. Imagine a home in which the temperature is always comfortable, yet the heating and cooling system is out of sight. That system performs efficiently but doesn’t ...

These inspections (also called tune-ups or checkups) are touted as the best way at the start of the heating and cooling seasons to ensure your air conditioner or furnace is operating as it should.

They’re powered by electricity and relatively easy to install in many homes, and they may save you money compared with other heating, ventilating, and air-conditioning systems. A heat pump ...