This role is primarily responsible for performing installations, repairs, and maintenance on a variety of equipment, including refrigeration, air conditioning, electric motors, heating units, heat pumps, hermetic compressors, light commercial furnaces, boilers, burners, intake and exhaust fans, economizers, and humidifiers. Work is performed frequently outdoors and in high places, and occasionally indoors, with occasional exposure to cold, heat, temperature changes, wet and humid conditions, noise, confined areas, odors, and dust, and some exposure to mechanical and electrical hazards.