David J. MacKay, LEED AP, BEMP, BCxP 

Principal, High-Performance Building Specialist

Mr. MacKay is a Principal and experienced energy management professional with expertise in energy auditing, building commissioning, building energy modeling, LEED consulting, energy procurement consulting, and energy reduction plan development. He has extensive technical training and several esteemed industry certifications. Mr. MacKay joined Kohler Ronan after having served several years at an independent consulting practice which he created to address deficiencies in building design and construction methodology. His focus is to deliver cost-effective, high-performance building solutions that exceed client expectations.



Master of Science in Green Building & Sustainable Design, San Francisco Institute of Architecture
Bachelor of Arts in Economics, Trinity College

Primary Disciplines

Commissioning, Energy Analysis, Financial Analysis, High- Performance Building Design, and Sustainability

Building Specialties

Academic, Museum, Performing Arts, and Residential

Years of Experience

Practicing Since 2004


LEED AP by the US Green Building Council


American Society of Heating, Refrigerating and Air- Conditioning Engineers (ASHRAE)
Association of Energy Engineers (AEE)

Project Experience


  • Fairfield University | Energy Master Plan | Fairfield, CT
  • Marist College | Science & Allied Health Building | Poughkeepsie, NY
  • New Mexico State University | Center for the Arts | Las Cruces, NM
  • Sacred Heart University | Jorge Bergoglio Hall | Fairfield, CT
  • University of Virginia | Rotunda Restoration | Charlottesville, VA
  • Western Connecticut State University | Visual & Performing Arts Center | Danbury, CT
  • Choate Rosemary Hall | Kohler Environmental Center | Wallingford, CT
  • Collegiate School | 11-Story New Construction | New York, NY
  • Far Brook School | Multiple Projects | Short Hills, NJ Science & Environmental and Arts & Music Buildings
  • Guilford High School | New Construction | Guilford, CT


  • Confidential Client | Commissioning | New York, NY
  • ULM Corporation | Commissioning | New York, NY


  • Helen Hayes Theatre | Historic Broadway Theater Renovations | New York, NY
  • Metropolitan Museum of Art | Multiple Projects | New York, NY
    • ABC Skylights, Energy Conservation Study, Infrastructure Master Plan
  • Mystic Seaport Museum | Thompson Exhibition Building | Mystic, CT
  • New York Public Library | Multiple Projects | New York, NY
    • Mid-Manhattan Library & Stephen A. Schwarzman Building (Energy Modeling)
  • Southern Kentucky Performing Arts Center (SkyPAC) | New Arts Venue | Bowling Green, KY
  • Statue of Liberty Museum | New Museum Space | New York, NY