van Zelm Engineers is proud to announce that Dave Madigan, PE, LEED AP has been named the recipient of the BuildGreenCT Trailblazer Award, recognizing his dedication to the practice of high-performance mechanical design.
This honor highlights Dave’s longstanding commitment to advancing energy-efficient, sustainable building systems and his role in helping clients navigate increasingly complex performance and decarbonization goals. Known for his thoughtful, solutions-driven approach, Dave brings both technical depth and practical insight to every project he leads.
Throughout his work, Dave has consistently pushed the boundaries of high-performance design—integrating innovative mechanical systems that improve building efficiency, reduce carbon impact, and enhance occupant comfort. His leadership has contributed to some of the firm’s most forward-thinking projects and continues to elevate the standard of engineering excellence across our portfolio.
“Dave’s recognition as a Trailblazer is a reflection of the impact he has not only within our firm, but across the industry,” said Ed Allen, PE, LEED AP, President. “His commitment to high-performance design and decarbonization continues to shape the way we approach our work and deliver value to our clients.”
Please join us in congratulating Dave on this well-deserved achievement.
BuildGreenCT’s Green Building Impact Awards recognize excellence in sustainable design and construction. Established in 2006, the program honors projects that advance resource efficiency, public health, and climate resilience. The Trailblazer Award specifically celebrates efforts that demonstrate innovative, lasting stewardship of environmental resources for the benefit of communities.
van Zelm Engineers is a leading MEP consulting firm serving academic, healthcare, research, and institutional clients. With more than 95 years of experience, we deliver high-performance, sustainable building systems that help reduce energy and carbon—bringing resilience, efficiency, and occupant well-being to complex, new and occupied facilities.
Read more about this recognition below.

