Bruce Harley is a recognized expert on energy efficient residential construction and retrofit. 34 years experience in the field, conducting trainings, developing modeling software and working on energy programs informs 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 an independent consultant focused on heat pumps and decarbonization.