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.
June 17, 2025
Want $200M Results? Start with a 5-Year Plan
In this episode, Rob sits down with Dan Donnelly, seasoned energy, real estate, and startup investor, and founder of Donnelly Mechanical. Dan shares how he built one of NYC’s top commercial HVAC firms by putting people first—...