Extended NAICS Code 238990-69 - Flues

Extended NAICS Code 238990-69 Description (NAICS 8-digit)

The Flues industry is a subdivision of the NAICS Code 238990, which falls under the category of All Other Specialty Trade Contractors. This industry involves the installation, repair, and maintenance of flues, which are pipes or ducts that are used to vent exhaust gases from a furnace, boiler, or fireplace. Flues are an essential component of heating systems, and they must be installed and maintained properly to ensure that they function safely and efficiently. The Flues industry is responsible for ensuring that flues are installed and maintained to meet safety standards and regulations.

Hierarchy Navigation for Extended NAICS Code 238990-69


  • Flue brushes
  • Flue pipe cutters
  • Flue pipe crimpers
  • Flue pipe expanders
  • Flue pipe benders
  • Flue pipe wrenches
  • Flue gas analyzers
  • Smoke pencils
  • Inspection cameras
  • Chimney caps

Industry Examples of Flues

  • Chimney cleaning
  • Flue installation
  • Flue repair
  • Chimney inspection
  • Chimney relining
  • Chimney sweeping
  • Fireplace installation
  • Fireplace repair
  • Furnace flue installation
  • Furnace flue repair

Extended NAICS Code 238990-69 - Flues

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