A project underway in New Haven shows the potential of the system, which harnesses heat beneath the earth. But it's not suitable everywhere.

Developers are using a new geothermal technology in Germany to produce clean energy. Detail of the teeth of a drill bit that ...

Chinamaxxers say avoiding cold water is the key to feeling better. We asked both a Traditional Chinese Medicine clinician and ...

Blasts of colder weather are causing heating bills to skyrocket this season in some areas ...

If you’re a California homeowner and you’ve been feeling chilly this winter, there are plenty of reasons to go get a heat pump.

Small upgrades can turn into real savings. Homeowner breaks down how he cut his water heating costs in half: 'I had no idea it would be so fast' first appeared on The Cool Down.

Most laptop cooling pads are useless, but if you get the right one, it can make a huge impact on how long your gaming laptop lasts.

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 ...