Extended NAICS Code 238220-27 - Plumbing Heating & Air Conditioning

Extended NAICS Code 238220-27 Description (NAICS 8-digit)

Plumbing Heating & Air Conditioning is a subdivision of the NAICS Code 238220 that involves the installation, repair, and maintenance of plumbing, heating, and air conditioning systems in residential, commercial, and industrial buildings. This industry is responsible for ensuring that buildings have functioning plumbing systems, heating systems, and air conditioning systems that meet safety and health standards. Plumbing Heating & Air Conditioning contractors work with a variety of materials such as copper, PVC, and steel to install and repair pipes, fixtures, and appliances. They also install and repair heating and cooling systems, including boilers, furnaces, air conditioning units, and ventilation systems.

Hierarchy Navigation for Extended NAICS Code 238220-27


  • Pipe wrenches
  • Pipe cutters
  • Pipe benders
  • Plungers
  • Drain snakes
  • Pipe threaders
  • Soldering torches
  • Flaring tools
  • Pressure gauges
  • Multimeters
  • Combustion analyzers
  • Refrigerant recovery machines
  • Vacuum pumps
  • Duct tape
  • Sheet metal cutters
  • Hammers
  • Screwdrivers
  • Pliers
  • Wire strippers
  • Utility knives

Industry Examples of Plumbing Heating & Air Conditioning

  • Plumbing installation
  • Plumbing repair
  • Drain cleaning
  • Water heater installation
  • Water heater repair
  • Boiler installation
  • Boiler repair
  • Furnace installation
  • Furnace repair
  • Air conditioning installation
  • Air conditioning repair
  • Ventilation system installation
  • Ventilation system repair
  • HVAC maintenance
  • Radiant heating installation
  • Radiant heating repair
  • Gas line installation
  • Gas line repair
  • Backflow prevention installation

Extended NAICS Code 238220-27 - Plumbing Heating & Air Conditioning

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