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Dan Thomsen


Building Doctors

EFCA Board Dan Thomsen

Dan Thomsen is the President and founder of the Building Doctors, a home performance contracting that is a Building Performance Institute accredited company. Dan received a Bachelor of Science from West Virginia University and a Master of Science from North Carolina State University.

He is a Building Performance Institute certified Building Analyst and Envelope Specialist, an instructor and verified contractor with the California Building Performance Contractors Association, a verified contractor with the Home Performance with Energy Star Program, certified through the California Home Energy Efficiency Rating Services and an existing home rater, and a founding member of Efficiency First where he is on the Board of Directors, the National membership chair, on the marketing committee and the Southern California Chapter Chair.