Install or repair heating, central air conditioning, HVAC, or refrigeration systems, including oil burners, hot-air furnaces, and heating stoves.
Adjust system controls to settings recommended by manufacturer to balance system.
Discuss heating or cooling system malfunctions with users to isolate problems or to verify that repairs corrected malfunctions.
Inspect and test systems to verify system compliance with plans and specifications or to detect and locate malfunctions.
Install dehumidifiers or related equipment for spaces that require cool, dry air to operate efficiently, such as computer rooms.
Install or repair air purification systems, such as specialized filters or ultraviolet (UV) light purification systems.
Repair or service heating, ventilating, and air conditioning (HVAC) systems to improve efficiency, such as by changing filters, cleaning ducts, and refilling non-toxic refrigerants.
Inspect systems to determine if they are operating properly.
Service heating, ventilation or air-conditioning (HVAC) systems or components.
Test mechanical systems to ensure proper functioning.