Author: Jeffrey R. Yago
Bio: Jeff and Sharon Yago live in a 3,400 square foot solar home in Virginia, which has served as  testing platform for all systems and products described in this book. Their home includes  state-of-the-art automation system, multi-room sound system, home theater, whirlpool, and passive solar greenhouse.

Jeff is a licensed professional engineer and certified energy manager, with more than 25-years of experience in energy conservation technology and holds five U. S. patents for his design work. He has authored many technical articles and three texts on solar design and energy conservation, and his projects have received state and national awards for energy conservation.

Sharon experiments with growing tropical plants in their greenhouse and provides all graphic and document preparation for their publications.—Dunimis