What do Heating and Air Conditioning Mechanics and Installers do?
Install, service, or repair heating and air conditioning systems in residences or commercial establishments.
- Test electrical circuits or components for continuity, using electrical test equipment.
- Test pipe or tubing joints or connections for leaks, using pressure gauge or soap-and-water solution.
- Join pipes or tubing to equipment and to fuel, water, or refrigerant source, to form complete circuit.
- Reassemble and test equipment following repairs.
- Repair or replace defective equipment, components, or wiring.
- Lay out and connect electrical wiring between controls and equipment, according to wiring diagrams, using electrician's hand tools.
- Obtain and maintain required certifications.
- Install, connect, and adjust thermostats, humidistats and timers, using hand tools.
- Comply with all applicable standards, policies, and procedures, including safety procedures and the maintenance of a clean work area.
- Inspect and test systems to verify system compliance with plans and specifications or to detect and locate malfunctions.
- Adjust system controls to setting recommended by manufacturer to balance system, using hand tools.
- Install auxiliary components to heating-cooling equipment, such as expansion and discharge valves, air ducts, pipes, blowers, dampers, flues and stokers, following blueprints.
- Recommend, develop, or perform preventive or general maintenance procedures, such as cleaning, power-washing, or vacuuming equipment, oiling parts, or changing filters.
- Cut or drill holes in floors, walls, or roof to install equipment, using power saws or drills.
- Assemble, position and mount heating or cooling equipment, following blueprints.
- Record and report all faults, deficiencies, and other unusual occurrences, as well as the time and materials expended on work orders.
- Discuss heating-cooling system malfunctions with users to isolate problems or to verify that malfunctions have been corrected.
- Study blueprints, design specifications, and manufacturers' recommendations to ascertain the configuration of heating or cooling equipment components and to ensure the proper installation of components.
- Measure, cut, thread, or bend pipe or tubing, using pipe fitter's tools.
- Fabricate, assemble, or install duct work or chassis parts, using portable metal-working tools or welding equipment.
- Generate work orders that address deficiencies in need of correction.
- Assist with other work in coordination with repair and maintenance teams.
- Wrap pipes in insulation, securing it in place with cement or wire bands.
- Install and test automatic, programmable, or wireless thermostats in residential or commercial buildings to minimize energy usage for heating or cooling.
- Install dehumidifiers or related equipment for spaces that require cool, dry air to operate efficiently, such as computer rooms.
- Install magnetic-centrifugal chillers, compressors, or related equipment to cool air temperatures through the use of recirculating water.
- Install or repair air purification systems, such as specialized filters or ultraviolet (UV) light purification systems.
- 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 radiator controls for room-level zone control heating of residential or commercial buildings.
- 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.
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