North American Industry Classification System (NAICS) code 238220 is used by federal buyers for market research, set-aside size standards, and reporting. Official titles come from the Census Bureau NAICS structure.
Official definition
This industry comprises establishments primarily engaged in installing and servicing plumbing, heating, and air-conditioning equipment. Contractors in this industry may provide both parts and labor when performing work. The work performed may include new work, additions, alterations, maintenance, and repairs.
Included activity examples
- Cooling tower installation
- Duct work (e.g., cooling, dust collection, exhaust, heating, ventilation) installation
- Fire sprinkler system installation
- Fireplace, natural gas, installation
- Furnace installation
- Heating, ventilation, and air-conditioning (HVAC) contractors
- Lawn sprinkler system installation
- Mechanical contractors
- Refrigeration system (e.g., commercial, industrial, scientific) installation
- Sewer hookup and connection, building
- Official title
- Plumbing, Heating, and Air-Conditioning Contractors
- Code level
- 6
- Parent industry
- Plumbing, Heating, and Air-Conditioning Contractors 23822
- Open opportunities
- 260 open · 1,001 active
SBA small-business size standard
$19M average annual receipts
Average annual receipts basis
Check this standard and its exceptionsExcluded or separately classified activities
Official Census cross-references identify activities that belong under another North American Industry Classification System (NAICS) code.
Duct cleaning--are classified in Industry 561790, Other Services to Buildings and Dwellings;
Installing electrical controls for HVAC systems--are classified in Industry 238210, Electrical Contractors and Other Wiring Installation Contractors;
Installing septic tanks and systems--are classified in Industry 238910, Site Preparation Contractors;
Repair and maintenance of commercial refrigeration equipment or fire extinguisher and waterless fire suppression systems, without installation--are classified in Industry 811310, Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance.
Water well drilling (except water intake wells in oil and gas fields) and water well pump and piping system installation--are classified in Industry 237110, Water and Sewer Line and Related Structures Construction; and
Source and edition
2022 NAICS Manual definition and reference material from the U.S. Census Bureau.