Founders

Tim Delhey Eian, Founder
Dipl.-Ing. Arch. , Certified Passive House Consultant and Designer
Principal – TE Studio

Tim Eian is a German-born and trained architectural engineer with over seventeen years of professional experience in innovative high-performance designs. He is passionate about holistic design solutions that deliver on all aspects of sustainability. In addition, Tim is a master carpenter, graduate of the technical University of Kaiserslautern, Germany, and one of the first professionals in North America to design a certified Passive House building.

Tim founded Passive House Minnesota in 2008.


Mike Woolsey
Certified Passive House Designer
Business Development Manager – Swegon

Mike Woolsey began his career in the HVAC industry in 1985, while completing his BSME degree from Washington University in St. Louis, although his interest in building energy conservation was first inspired by the energy crisis of the 1970s. Currently specializing in applications, market management and business development, Mike has presented hundreds of seminars across North America and is currently serving as Business Development Manager in the Commercial Ventilation group of Swegon North America. Mike is also a member of ASHRAE.