Keith Simon


An expert in building enclosure technology, Keith Simon addresses the critical and often unmet need for ensuring and improving building performance, resilience, and durability by guiding design teams, educating future architects, and facilitating interdisciplinary exchange. Keith is a Principal at Terracon and is a fellow of the American Institute of Architects (FAIA).

He is a Certified Passive House Consultant (CPHC), Legacy LEED AP, and Building Enclosure Commissioning Provider (BECxP) with over 20 years of experience in architectural design and building enclosure consultation. His experience includes peer review, design assistance, durability analysis, construction administration, testing, and forensics of building envelope issues, and he is the Building Enclosures Practice Lead for Terracon. Keith was the founder of the AIA Austin Building Enclosure Council (BEC: Austin) and currently serves as a board member for BEC: Austin and the Passive House Institute US (PHIUS) Alliance Austin Chapter. He also serves as the Secretary for the National Institute of Building Sciences (NIBS) Building Enclosure Technology and Environment Council (BETEC) executive committee.

Keith is a Terracon Subject Matter Expert (SME) for Hygrothermal Modeling and Building Enclosure Commissioning (BECx) and has been adjunct faculty at UTSOA since 2011 teaching Environmental Controls, Building Science, Construction Detailing, and Design Studio. 


  • University of Oregon, Master of Architecture, 2004
  • Columbia University, Bachelor of Arts


Water Penetration and Air Leakage Testing of Flanged Commercial Windows
IIBEC Convention and Trade Show Proceedings, 2021.
Primary Author

The Leak Stops Here: Understanding the Methodology of Leak Detection for Roofing and Waterproofing Systems
IIBEC Convention and Trade Show Proceedings, 2021.
Contributing Author

Architectural Koyaanisqatsi: 10-Year, 100-Year, and 1000-Year Buildings
Proceedings of the 2019 North American Passive House Conference

Water and Air Penetration Testing of Flanged Windows
ASTM STP1615 (Selected Technical Publications): Chapter in Whole Building Air Leakage: Testing and Building Performance Impacts.
Manuscript ID STP-2018-0028.R4
Primary Author

Adventures in Hygrothermal Modeling
Proceedings of the 2016 North American Passive House Conference
Presented in Philadelphia, September 22, 2017.

Multifamily Forensics: Lessons Learned
Proceedings of the 2015 North American Passive House Conference
Presented in Chicago, September 20, 2015.
Primary Author

NFPA 285 Code Requirements: The Elephant in the Room…
Published online at the Texas Society of Architects (TSA) website,
December 19, 2014

Building Science School is Back in Class: Can you hear me? We’re talking about acoustics!…
Published online, September 4, 2014.

Invisible Architecture: Encouraging Design with All Senses in Mind
Published online, September 12, 2013.

SIPS (Structurally Insulated Panel Systems) Chapter in Whole Building Design Guide (WBDG)
Established exploratory committee of volunteers from around the country that successfully advocated the NIBS/BETEC board to include SIPS (structurally insulated panel systems) in the WBDG. Led a committee of volunteers that researched and wrote the SIPS section of the Building Envelope Design Guide on the WBDG is the world’s largest online portal for building sciences.
Primary Author

The Role of Architecture in Latin-American Development: An El Salvador Case Study
Proceedings of the Architectural Research Centers Consortium 2013 ConferencePresented in Tempe, AZ, May 2003.

photo of Keith Simon
  • Building Enclosures
  • Building Science
  • Sustainable Design
  • Environmental Controls
  • Detailing
  • Daylighting

Environmental Controls

Construction V

Design Studio II

Design Studio ARC Design VI

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Stephanie Choi

2020-2023 Emerging Scholar in Design Fellow

Vincent Snyder


Mari Michael Glassell