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 ...

Want lower energy bills? These 5 HVAC changes are ranked by actual savings, helping homeowners cut costs in 2026.

If there's one surefire way to save money on energy bills, it's ditching an old, outdated HVAC system and replacing it with a newer, more efficient model. But how much you'll actually save depends on ...

The 10 Biggest HVAC Mistakes Homeowners Make Every Summer As temperatures rise, homeowners across the country rely heavily on ...