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...

Before dedicating his career to integrating solar energy into the new construction market Dennis Helblig worked for a variety of builders including Colorado’s favorite regional production high performance builder Thrive Homebuilders. Seeing the efficiency of the housing stock continue to improve,...