NAICS Code 238220 — Plumbing, Heating, and Air-Conditioning Contractors
National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is the only national industry under 23822 (Plumbing, Heating, and Air-Conditioning Contractors).
| Code | 238220 |
|---|---|
| Title | Plumbing, Heating, and Air-Conditioning Contractors |
| Level | National Industry (6-digit) |
| Edition | NAICS 2022 edition |
| SBA size standard | $19 million in average annual receipts |
Official definition (2022 NAICS)
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.
Illustrative Examples:
Cooling tower installation
Heating, ventilation, and air-conditioning (HVAC) contractors
Duct work (e.g., cooling, dust collection, exhaust, heating, ventilation) installation
Lawn sprinkler system installation
Fire sprinkler system installation
Mechanical contractors
Fireplace, natural gas, installation
Refrigeration system (e.g., commercial, industrial, scientific) installation
Furnace installation
Sewer hookup and connection, building
Is a business under 238220 "small"?
Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 238220 qualifies as a small business if it does not exceed $19 million in average annual receipts. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — receipts are averaged over the latest 5 fiscal years.
Where 238220 sits in the hierarchy
| Level | Code | Title |
|---|---|---|
| Sector | 23 | Construction |
| Subsector | 238 | Specialty Trade Contractors |
| Industry Group | 2382 | Building Equipment Contractors |
| NAICS Industry | 23822 | Plumbing, Heating, and Air-Conditioning Contractors |
| National Industry | 238220 | Plumbing, Heating, and Air-Conditioning Contractors |
Related SIC codes
Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.
| SIC code | Title |
|---|---|
1711 | Plumbing, Heating and Air-Conditioning |
1791 | Structural Steel Erection |
1796 | Installation or Erection of Building Equipment, Not Elsewhere Classified |
7699 | Repair Shops and Related Services, Not Elsewhere Classified |
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Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.