Venting rules change with efficiency — and mixing them up can lead to moisture buildup, heat exchanger damage, and dangerous combustion issues.

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Cassidy was an updates editor whose main responsibility is to write and edit ...

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 ...

Learn how to install a central air conditioning and heating system from start to finish. This detailed guide walks you through replacing an old HVAC unit and setting up a brand-new Senville system, wi ...

As HVAC solutions have grown rapidly over the last decade, contractors often struggle to keep up with the changing technology. Modern, all-electric, clean-energy innovations like variable refrigerant ...