Dan Donnelly
Daniel T. Donnelly is a seasoned specialty MEP, energy, and indoor air quality consultant with decades of experience in the building service industry. A certified LEED AP O&M, WELL AP, CEM, and more, Dan brings deep technical expertise to his work with businesses, real estate ventures, and startups. He’s also a successful real estate investor and the founder of Donnelly Mechanical, one of NYC’s leading commercial HVAC firms, which he built and sold in a major exit.