According to people in this career, the main tasks are...
| Task | Importance |
|---|---|
| Test electrical circuits or components for continuity, using electrical test equipment. | 92% |
| Comply with all applicable standards, policies, or procedures, such as safety procedures or the maintenance of a clean work area. | 90% |
| 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. | 88% |
| Discuss heating or cooling system malfunctions with users to isolate problems or to verify that repairs corrected malfunctions. | 88% |
| Connect heating or air conditioning equipment to fuel, water, or refrigerant source to form complete circuit. | 85% |
| Adjust system controls to settings recommended by manufacturer to balance system. | 85% |
| Recommend, develop, or perform preventive or general maintenance procedures, such as cleaning, power-washing, or vacuuming equipment, oiling parts, or changing filters. | 84% |
| Inspect and test systems to verify system compliance with plans and specifications or to detect and locate malfunctions. | 84% |
| Repair or replace defective equipment, components, or wiring. | 84% |
| 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. | 83% |
| Install, connect, or adjust thermostats, humidistats, or timers. | 81% |
| Install auxiliary components to heating or cooling equipment, such as expansion or discharge valves, air ducts, pipes, blowers, dampers, flues, or stokers. | 81% |
| Braze or solder parts to repair defective joints and leaks. | 81% |
| Lay out and connect electrical wiring between controls and equipment, according to wiring diagrams, using electrician's hand tools. | 81% |
| Perform mechanical overhauls and refrigerant reclaiming. | 80% |
| Install expansion and control valves, using acetylene torches and wrenches. | 79% |
| Measure, cut, thread, or bend pipe or tubing, using pipe fitter's tools. | 78% |
| Mount compressor, condenser, and other components in specified locations on frames, using hand tools and acetylene welding equipment. | 78% |
| Install dehumidifiers or related equipment for spaces that require cool, dry air to operate efficiently, such as computer rooms. | 77% |
| Record and report time, materials, faults, deficiencies, or other unusual occurrences on work orders. | 77% |
| Keep records of repairs and replacements made and causes of malfunctions. | 76% |
| Cut or drill holes in floors, walls, or roof to install equipment, using power saws or drills. | 75% |
| Estimate, order, pick up, deliver, and install materials and supplies needed to maintain equipment in good working condition. | 75% |
| Schedule work with customers and initiate work orders, house requisitions, and orders from stock. | 74% |
| Supervise and instruct assistants. | 72% |
| Lay out reference points for installation of structural and functional components, using measuring instruments. | 69% |
| Lift and align components into position, using hoist or block and tackle. | 69% |
| Install or repair air purification systems, such as specialized filters or ultraviolet (UV) light purification systems. | 66% |
