-
Recommend, develop, or perform preventive or general maintenance procedures, such as cleaning, power-washing, or vacuuming equipment, oiling parts, or changing filters.
-
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.
-
Lift and align components into position, using hoist or block and tackle.
-
Install or repair self-contained ground source heat pumps or hybrid ground or air source heat pumps to minimize carbon-based energy consumption and reduce carbon emissions.
-
Install expansion and control valves, using acetylene torches and wrenches.
-
Study blueprints, design specifications, or manufacturers' recommendations to ascertain the configuration of heating or cooling equipment components and to ensure the proper installation of components.
-
Repair or replace defective equipment, components, or wiring.
-
Test electrical circuits or components for continuity, using electrical test equipment.
-
Braze or solder parts to repair defective joints and leaks.
-
Install dehumidifiers or related equipment for spaces that require cool, dry air to operate efficiently, such as computer rooms.
-
Install, connect, or adjust thermostats, humidistats, or timers.
-
Schedule work with customers and initiate work orders, house requisitions, and orders from stock.
-
Keep records of repairs and replacements made and causes of malfunctions.
-
Connect heating or air conditioning equipment to fuel, water, or refrigerant source to form complete circuit.
-
Estimate, order, pick up, deliver, and install materials and supplies needed to maintain equipment in good working condition.
-
Record and report time, materials, faults, deficiencies, or other unusual occurrences on work orders.
-
Test pipes, lines, components, and connections for leaks.
-
Inspect and test systems to verify system compliance with plans and specifications or to detect and locate malfunctions.
-
Perform mechanical overhauls and refrigerant reclaiming.
-
Install or repair air purification systems, such as specialized filters or ultraviolet (UV) light purification systems.
-
Measure, cut, thread, or bend pipe or tubing, using pipe fitter's tools.
-
Install auxiliary components to heating or cooling equipment, such as expansion or discharge valves, air ducts, pipes, blowers, dampers, flues, or stokers.
-
Cut or drill holes in floors, walls, or roof to install equipment, using power saws or drills.
-
Supervise and instruct assistants.
-
Discuss heating or cooling system malfunctions with users to isolate problems or to verify that repairs corrected malfunctions.
-
Comply with all applicable standards, policies, or procedures, such as safety procedures or the maintenance of a clean work area.
-
Adjust system controls to settings recommended by manufacturer to balance system.
-
Mount compressor, condenser, and other components in specified locations on frames, using hand tools and acetylene welding equipment.
-
Lay out and connect electrical wiring between controls and equipment, according to wiring diagrams, using electrician's hand tools.
-
Lay out reference points for installation of structural and functional components, using measuring instruments.