C&W Services - - Responsibilities: Test electrical circuits or components for continuity, using electrical test equipment; Washing Coils, visual check of equipment on a weekly basis; Repair or replace defective, components, or wiring; Repair or service heating, ventilating, and air conditioning (HVAC) systems to improve efficiency, such as by changing filters, cleaning ducts, or refilling non-toxic refrigerants; Installation of ductwork, refrigeration piping, air conditioning units, and exhaust equipment