Danny Yeh is a highly experienced commissioning engineer with 29 years of mechanical system installation, operation, and diagnostics expertise. He has provided HVAC commissioning for various projects, including educational facilities, office buildings, manufacturing plants, historic renovations, federal facilities, universities, museums, and medical centers. In addition to overseeing installation and maintenance projects, he has serviced and installed commercial and residential HVAC and refrigeration systems, diagnosed and repaired electrical, plumbing, and natural gas systems, and analyzed HVAC designs and specifications. Danny is skilled in reviewing contractor submittals, developing pre-functional checklists and functional performance tests, conducting site inspections, and collaborating with design and construction teams to resolve installation and performance challenges.