Environmental Systems, Inc.
William O'Haire currently serves as the Heating Ventilation Air Conditioning Supervisor at Environmental Systems, Inc., where responsibilities include managing the installation of complex control systems and optimizing project performance. Prior to this role, William held the position of Senior Critical HVAC Technician at FirstLight Fiber, overseeing mechanical system upgrades and implementing preventive maintenance that resulted in a 73% reduction in operating costs. Experience also includes a Senior HVAC Technician role at Hall Sheetmetal Works, Inc., and several technician positions at LC Anderson Inc., where skills in heating, cooling, and refrigeration systems were honed. William’s career began in the US Navy as a Machinist’s Mate specializing in submarine systems, complemented by extensive educational training in HVAC systems and controls. Notable certifications include Niagara control systems and various factory training programs with Liebert and Mitsubishi.
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Environmental Systems, Inc.
Environmental Systems, Inc. (ESI) is a premier mechanical contractor & engineering firm headquartered in Attleboro, Massachusetts, with offices in Nashua, New Hampshire, and Warwick, Rhode Island. ESI offers full mechanical services from pre-construction through service and maintenance on all types of HVAC systems throughout New England. In our 45 years in the industry, we have completed design and installation of HVAC systems for more than 10,000 commercial projects, more than 2.5 million square feet of laboratories and clean rooms, and more than 70 MRI facilities, plus projects for many of the colleges and universities in our region.