Kohler Ronan is a multi-disciplined engineering consultancy dedicated to providing exceptional mechanical, electrical, plumbing, fire protection, and technology design, as well as comprehensive energy analysis, sustainable design, and commissioning services. From our offices in Danbury, Connecticut and New York, New York, our team of approximately 70 professionals collaborate with prominent architectural firms on a wide array of regional and nationally recognized project assignments. Commissions include those for world-renowned museums, fine and performing arts centers, prestigious universities, state-of-the-art educational and healthcare facilities, luxury residences, and premier recreation establishments. Additionally, we have the privilege of designing specialty systems for landmark sites and historically significant buildings across the country.

Kohler Ronan is proud of its extensive expertise and innovative approach in the field of sustainable design and is a member of the U.S. Green Building Council (USGBC.) Nearly 20 of our engineers are Leadership in Energy and Environmental Design Accredited Professionals (LEED AP), while one of our principals just earned his Well AP and Fitwel Ambassador designation.

Founded in 1998, the firm is led by six partners representing over 125 years of combined industry experience. Our highly skilled design and technical teams are committed to delivering engineering excellence and creative solutions to every project across the major disciplines. A strong teamwork ethic empowers each member to achieve both individual and team objectives.


At Kohler Ronan, “Engineering Excellence and Client Partnering” is our goal. The firm strives to not only meet, but exceed client expectations. We have a successful history of providing innovative, reliable, energy-efficient engineering and design services, combined with unsurpassed client service. We attempt to minimize the engineering impact and maintain the integrity of architecture. By examining each project from the client’s point of view via effective communication, we assist our clients in making informed project decisions. The result is a portfolio of successful projects and numerous long-term client relationships.

Photo Credits

Metropolitan Museum of Art Photo credit: ©Olin Sahar Coston-Hardy
New Mexico State University Center for the Arts Photo credit: ©Anna Wesolowska /
University of Virginia Photo credit: ©Anna Wesolowska /
New York Public Library No credit
Statue of Liberty Museum Photo credit: Courtesy of FXCollaborative and Statue of Liberty – Ellis Island Foundation
Southern Kentucky Performing Arts Center Photo credit: ©Tom Kessler Photography