About the Author
John Krigger is a highly respected authority in the field of energy conservation for buildings and the author of several books. He has been a passionate advocate of efficient construction technology for over thirty years. He is now working with other building scientists to develop the next generation of construction techniques for North America. Chris Dorsi has spent the last thirty years fine-tuning homes across North America. He has founded construction companies, developed real estate projects, and audited thousands of residential buildings. He is a widely acclaimed author and speaker who has motivated and enabled both homeowners and trade professionals to improve the efficiency and minimize the environmental footprint of their buildings.