Michael D. Haughey

Michael D. Haughey, P.E., CEM, HBDP, LEED AP is a mechanical systems design and energy conservation expert specializing in litigation support for HVAC, plumbing, and fire protection systems. With a career spanning mechanical systems design, energy studies, and sustainability consulting, he brings a comprehensive framework to litigation work involving complex engineering assessments. His work centers on investigating system failures, assessing compliance with energy conservation standards, and evaluating whether design deviations contributed to operational inefficiencies.

Mr. Haughey has been retained in numerous expert witness and consulting engagements across the Western United States, involving residential, commercial, and institutional projects. His Bachelor of Science in Mechanical Engineering from the University of California at Santa Barbara, along with certifications such as ASHRAE High Performance Building Design Professional and Certified Energy Manager, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving mechanical system failures and energy efficiency compliance.