Expert Mechanical Service Inc. was founded on the principles of quality, integrity, and customer service. We are a full-service mechanical contractor, able to service your facility needs 24 hours a day, 365 days a year.For any of your service, maintenance, and renovation projects, Expert Mechanical Service is dedicated to providing you with the utmost professional HVAC, boiler, and refrigeration services available. Our reputation for delivering quality service and on-time/on-budget project completions speaks for itself. This reputation and strict adherence to protocol make us the first choice for many of southeastern Michigan Hospitals, School Districts, Universities, Municipalities, and Commercial & Industrial facilities.