Bruce Harley is a recognized expert on energy efficient residential construction and retrofit. 34 years of experience in the field, conducting trainings, developing modeling software, working on energy programs and designing and fixing "stuff" informed his two books (Cut Your Energy Bills Now and Insulate and Weatherize). Bruce has been recognized by EEBA (2007) and RESNET (2008, 2011) for his contributions, and is currently consulting with utilities, nonprofits and government agencies, mostly on heat pumps and decarbonization.