Betsy Pettit

M.Arch., FAIA
Building Science Corporation

Betsy Pettit is a Principal of Building Science Corporation and is a registered architect with over 35 years of professional experience in the design and renovation of residential, commercial, and institutional buildings.  With a particular passion for and commitment to environmentally responsible design, Ms. Pettit managed Building Science Corporation’s role in the Department of Energy’s Building America project for the past twenty years, which has involved the design of over 2,000 high performance houses throughout the United States.

Consistent with her philosophy that environmental responsibility ought to also be economical, Ms. Pettit has done extensive work to advance the building industry in the area of energy efficient affordable housing, partnering with Habitat for Humanity, as well as developers and builders across the United States.  She is the former Director of Modernization and Redevelopment in the public housing division of the Commonwealth of Massachusetts Executive Offices of Communities and Development, where she oversaw over $120 million of building improvements to Massachusetts’ 40,000 units of public housing.

Ms. Pettit has given seminars on the subject of healthy and environmentally responsible housing to builders and architects across the country, and she has contributed to many procedural and technical manuals and papers to guide designers and contractors in the area of high performance design.  She has also served as chair of the Northeast Sustainable Energy Association (NESEA) Buildings Conference, where BSC staff members are frequent presenters.

Ms. Pettit holds a Bachelor of Applied Science in Environmental Design from Miami University and a Master of Architecture from North Carolina State University.  Based on Ms. Pettit’s “notable contributions to the advancement of the profession of architecture,” she was elected to the College of Fellows of the American Institute of Architects in February 2008. 


Bachelor of Environmental Design, Miami University, Oxford, Ohio

Master of Architecture, North Carolina State University, Raleigh, North Carolina

Professional Registrations     

Registered Architect: Massachusetts, Georgia, Maryland, Ohio, Oklahoma, New Hampshire

Professional Certifications     

National Council of Architectural Registration Boards (NCARB) Certification

Professional Affiliations     

Fellow, American Institute of Architects (AIA)

Member, American Institute of Architects (AIA)

Committee on the Environment, American Institute of Architects (AIA)

Member, Boston Society of Architects (BSA)

Past Co-Chair, Indoor Air Quality Committee, Boston Society of Architects (BSA)

Past Board of Directors, Energy and Environmental Building Association (EEBA)