About Barry Rehfeld Barry Rehfeld has been a journalist for over 30 years and is the founder of zeroenergyintelligence.com where he writes about everything you need to know to build, buy or renovate a home that produces as much energy as it uses. Books by Barry Rehfeld Home Sweet Zero Energy Home (PDF) What it takes to develop great homes that won't cost anything to heat, cool or light up, without going broke or crazy by (author) Barry Rehfeld
