About Us

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Jon Haehnel, Founder & Owner

Jon has been testing and inspecting institutional and commercial buildings for over 13 years. Mr. Haehnel has tested buildings as large as a city block in downtown Manhattan and as small as an 81 square foot automated weather station slated for Antarctica. Jon's expertise is in building envelope testing and design. Most of his work focuses on new and retrofit commercial and institutional construction but He also does forensic testing to determine the root cause of high energy costs, mold, ice dams, and pipe freeze-ups. Jon is a certified Building Performance Institute (BPI) Building Analyst and Envelope Specialist. Jon is currently the blower door and energy auditor instructor for Vermont Technical College and the coauthor of the paper Setting Airtightness Standards in the ASHRAE Journal.  He has also presented on building envelope commissioning at the Better Buildings by Design Conference in Burlington, VT in 2013, 2014 and 2016.