{"c":"49-9021.00","n":"Heating, Air Conditioning, and Refrigeration Mechanics and Installers","d":"Install or repair heating, central air conditioning, HVAC, or refrigeration systems, including oil burners, hot-air furnaces, and heating stoves.","g":"49","tasks":[{"t":"Test electrical circuits or components for continuity, using electrical test equipment.","core":true,"id":23552,"r":56,"dt":"08/2022","src":"Incumbent"},{"t":"Comply with all applicable standards, policies, or procedures, such as safety procedures or the maintenance of a clean work area.","core":true,"id":23557,"r":52,"dt":"08/2022","src":"Incumbent"},{"t":"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.","core":true,"id":23558,"r":52,"dt":"08/2022","src":"Incumbent"},{"t":"Discuss heating or cooling system malfunctions with users to isolate problems or to verify that repairs corrected malfunctions.","core":true,"id":23554,"r":52,"dt":"08/2022","src":"Incumbent"},{"t":"Connect heating or air conditioning equipment to fuel, water, or refrigerant source to form complete circuit.","core":true,"id":23555,"r":51,"dt":"08/2022","src":"Incumbent"},{"t":"Adjust system controls to settings recommended by manufacturer to balance system.","core":true,"id":23565,"r":56,"dt":"08/2022","src":"Incumbent"},{"t":"Recommend, develop, or perform preventive or general maintenance procedures, such as cleaning, power-washing, or vacuuming equipment, oiling parts, or changing filters.","core":true,"id":23568,"r":55,"dt":"08/2022","src":"Incumbent"},{"t":"Inspect and test systems to verify system compliance with plans and specifications or to detect and locate malfunctions.","core":true,"id":23562,"r":52,"dt":"08/2022","src":"Incumbent"},{"t":"Repair or replace defective equipment, components, or wiring.","core":true,"id":23553,"r":54,"dt":"08/2022","src":"Incumbent"},{"t":"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.","core":true,"id":23579,"r":51,"dt":"08/2022","src":"Incumbent"},{"t":"Install, connect, or adjust thermostats, humidistats, or timers.","core":true,"id":23556,"r":55,"dt":"08/2022","src":"Incumbent"},{"t":"Install auxiliary components to heating or cooling equipment, such as expansion or discharge valves, air ducts, pipes, blowers, dampers, flues, or stokers.","core":true,"id":23559,"r":55,"dt":"08/2022","src":"Incumbent"},{"t":"Braze or solder parts to repair defective joints and leaks.","core":true,"id":23560,"r":55,"dt":"08/2022","src":"Incumbent"},{"t":"Lay out and connect electrical wiring between controls and equipment, according to wiring diagrams, using electrician's hand tools.","core":true,"id":23561,"r":51,"dt":"08/2022","src":"Incumbent"},{"t":"Perform mechanical overhauls and refrigerant reclaiming.","core":true,"id":23564,"r":55,"dt":"08/2022","src":"Incumbent"},{"t":"Install expansion and control valves, using acetylene torches and wrenches.","core":true,"id":23566,"r":55,"dt":"08/2022","src":"Incumbent"},{"t":"Measure, cut, thread, or bend pipe or tubing, using pipe fitter's tools.","core":true,"id":23571,"r":56,"dt":"08/2022","src":"Incumbent"},{"t":"Mount compressor, condenser, and other components in specified locations on frames, using hand tools and acetylene welding equipment.","core":true,"id":23570,"r":55,"dt":"08/2022","src":"Incumbent"},{"t":"Install dehumidifiers or related equipment for spaces that require cool, dry air to operate efficiently, such as computer rooms.","core":true,"id":23567,"r":51,"dt":"08/2022","src":"Incumbent"},{"t":"Record and report time, materials, faults, deficiencies, or other unusual occurrences on work orders.","core":true,"id":23563,"r":56,"dt":"08/2022","src":"Incumbent"},{"t":"Keep records of repairs and replacements made and causes of malfunctions.","core":true,"id":23572,"r":55,"dt":"08/2022","src":"Incumbent"},{"t":"Cut or drill holes in floors, walls, or roof to install equipment, using power saws or drills.","core":true,"id":23569,"r":54,"dt":"08/2022","src":"Incumbent"},{"t":"Estimate, order, pick up, deliver, and install materials and supplies needed to maintain equipment in good working condition.","core":true,"id":23574,"r":55,"dt":"08/2022","src":"Incumbent"},{"t":"Schedule work with customers and initiate work orders, house requisitions, and orders from stock.","core":true,"id":23575,"r":55,"dt":"08/2022","src":"Incumbent"},{"t":"Supervise and instruct assistants.","core":true,"id":23576,"r":55,"dt":"08/2022","src":"Incumbent"},{"t":"Lay out reference points for installation of structural and functional components, using measuring instruments.","core":true,"id":23577,"r":55,"dt":"08/2022","src":"Incumbent"},{"t":"Lift and align components into position, using hoist or block and tackle.","core":true,"id":23578,"r":55,"dt":"08/2022","src":"Incumbent"},{"t":"Install or repair air purification systems, such as specialized filters or ultraviolet (UV) light purification systems.","core":false,"id":23573,"r":53,"dt":"08/2022","src":"Incumbent"},{"t":"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.","core":null,"id":23580,"r":null,"dt":"11/2020","src":"Analyst"},{"t":"Test pipes, lines, components, and connections for leaks.","core":null,"id":23581,"r":null,"dt":"11/2020","src":"Analyst"}]}