Sullivan Mechanical Services started in 1981 as a service company with a mission to provide superior service and maintain close relationships with customers who value quality contractors and unique solutions.  We have stayed true to our core with respect to providing outstanding service with expanding to offer in-house engineering of design-build projects.  Whatever your needs are for hiring a HVAC contractor, Sullivan Mechanical can offer solutions that benefit you now and in the future.  Experience in commercial space, light and heavy industrial, research and development, precise cleanroom temperature and humidity control positions us well in the market to aggressively handle your HVAC contractor requirements.