Josh Butzbaugh, Senior Project Engineer at Pacific Northwest National Laboratory, has been focusing his research on Heat Pump Water Heaters (HPWH). His research has helped to demonstrate the impact HPWH’s can have on efficiency, carbon reduction, and peak demand response. The problem with...

Robert Lewis is the Radon Program Manager at the Pennsylvania Department of Environmental Protection. He wrote a paper and presented on the History of Radon from 1470 to 1984 which I found to be an interesting way to approach the subject of Radon in our homes. Early in my career I combined home...