William O'Haire

Heating Ventilation Air Conditioning Supervisor at 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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