How do they match: Heating, Air Conditioning, and Refrigeration Mechanics and Installers

  • 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.
  • Cut or drill holes in floors, walls, or roof to install equipment, using power saws or drills.
  • Recommend, develop, or perform preventive or general maintenance procedures, such as cleaning, power-washing, or vacuuming equipment, oiling parts, or changing filters.
  • Test electrical circuits or components for continuity, using electrical test equipment.
  • Test pipes, lines, components, and connections for leaks.

  • Lay out work according to specifications.
  • Connect electrical components or equipment.
  • Test electrical circuits or components for proper functioning.