Heat pumps are quickly becoming the most popular HVAC option for many Americans, with sales of the clean heating technology surpassing gas furnaces for the first time in 2022. The appeal of heat pumps ...

Wrap the copper tubing around the burn chamber to add even more heat-capturing surface area. Concentrate the coils around the bottom third of the chamber to gain the most heat. My wife and I designed ...

Everyone wants to stay warm and cozy on a cold winter day. But keeping the heat pumping in your home can be frightfully expensive, a reason many seek out alternative sources of relief. There's no ...

There is no wrong way to build a first biogas digester, so long as it results in the unforgettable experience of seeing the miraculous blue flame of biogas for the first time. Soon afterwards, however ...

Heat-set inserts are a great way to embed mechanically-strong, threaded parts into a 3D print. For installation, all that is required is an economical soldering iron; something most of us already have ...

If you've ever had sore muscles or pains that require the application of heat, a reusable and cheap heating pad can be had by combining an old flannel shirt and dried beans or rice. Cut the shirt into ...

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 ...