The heating and cooling system inside a home quietly controls comfort every single day, yet many households give it attention only after disaster strikes. A furnace stops on a bitter winter night, or ...

Heating, ventilation, and air conditioning are essential components of maintaining home comfort throughout the seasons. Energy use has a straightforward relationship with efficiency. So, by knowing ...

Mike De Socio is a CNET contributor who writes about energy, personal finance, electric vehicles and climate change. He's also the author of the nonfiction book, "Morally Straight: How the Fight for ...