Imagine: It's the middle of summer and your air conditioner is working overtime to keep your home cool and comfortable.

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 ...

Rising energy costs are prompting many homeowners to examine the efficiency of their heating and cooling systems. Although ...

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 ...

Winter might feel far off, but when that first snowstorm hits, the last thing you want is to discover an issue with your heating system that you could've addressed sooner. Everyone knows proper ...

The MRCOOL® DIY® is the only TRUE do-it-yourself system on the market. Unlike conventional mini-split systems, which require a professional installer to charge ...

Having spent 30+ years in residential construction, contracting, remodeling, maintenance and home repair, Deane now contributes DIY, informational and financial content as a freelance writer and ...