Related Detailed Work Activity (DWA) Search
49-9021.00 — Heating, Air Conditioning, and Refrigeration Mechanics and Installers

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	Test electrical circuits or components for proper functioning.
	Service heating, ventilation or air-conditioning (HVAC) systems or components.
	Repair worn, damaged, or defective mechanical parts.
	Replace worn, damaged, or defective mechanical parts.
	Confer with customers or users to assess problems.
	Install heating, ventilation, or air conditioning (HVAC) equipment.
	Adjust equipment to ensure optimal performance.
	Determine operational compliance with regulations or standards.
	Interpret blueprints, specifications, or diagrams to inform installation, development or operation activities.
	Braze metal parts or components.
	Connect electrical components or equipment.
	Document operational activities.
	Inspect systems to determine if they are operating properly.
	Install energy-efficient heating, ventilation, or air conditioning (HVAC) equipment.
	Install machine or equipment replacement parts.
	Advise others on issues related to repairs, installation, or equipment design.
	Drill holes in parts, equipment, or materials.
	Cut materials according to specifications or needs.
	Measure distances or dimensions.
	Maintain repair or maintenance records.
	Install home appliances.
	Order materials, supplies, or equipment.
	Travel to work sites to perform installation, repair or maintenance work.
	Schedule repair, installation or maintenance activities.
	Supervise employees.
	Train others in operational procedures.
	Lay out work according to specifications.
	Operate cranes, hoists, or other moving or lifting equipment.
	Test mechanical systems to ensure proper functioning.