333415 — Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
Description
This U.S. industry comprises establishments primarily engaged in (1) manufacturing air-conditioning (except motor vehicle) and warm air furnace equipment and/or (2) manufacturing commercial and industrial refrigeration and freezer equipment (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Illustrative Examples
- Air-conditioning and warm air heating combination units manufacturing
- Air-conditioning compressors (except motor vehicle) manufacturing
- Air-conditioning condensers and condensing units manufacturing
- Dehumidifiers (except portable electric) manufacturing
- Heat pumps manufacturing
- Humidifying equipment (except portable) manufacturing
- Refrigerated counter and display cases manufacturing
- Refrigerated drinking fountains manufacturing
- Snow making machinery manufacturing
- Soda fountain cooling and dispensing equipment manufacturing
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 2599 - Furniture and Fixtures, NEC (via SIC1987:2599→NAICS1997:339111→2002:339111→2007:333415→2012:333415→2017:333415→2022:333415)
- SIC 3585 - Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment (via SIC1987:3585→NAICS1997:333415→2002:333415→2007:333415→2012:333415→2017:333415→2022:333415)
- SIC 3821 - Laboratory Apparatus and Furniture (via SIC1987:3821→NAICS1997:339111→2002:339111→2007:333415→2012:333415→2017:333415→2022:333415)
- SIC 3841 - Surgical and Medical Instruments and Apparatus (via SIC1987:3841→NAICS1997:339111→2002:339111→2007:333415→2012:333415→2017:333415→2022:333415)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC 4110 — Refrigeration Equipment
- PSC 4120 — Air Conditioning Equipment
- PSC 4130 — Refrigeration and Air Conditioning Components
- PSC 6640 — Laboratory Equipment and Supplies
- PSC 9515 — Plate, Sheet, Strip, Foil, and Leaf
- PSC 9535 — Plate, Sheet, Strip, and Foil: Nonferrous Base Metal
- PSC 9545 — Plate, Sheet, Strip, Foil, and Wire: Precious Metal
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 333415 valid in 2022? ▾
Yes, 333415 is a valid 6-digit 2022 NAICS national industry code representing 'Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 333415? ▾
The Small Business Administration (SBA) has established a small business size standard of 1,250 employees for NAICS code 333415 (Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing), calculated based on employees.
What is the legacy SIC equivalent for NAICS 333415? ▾
According to official Census Bureau concordance tables, NAICS code 333415 (Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 2599 - Furniture and Fixtures, NEC, 3585 - Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment, 3821 - Laboratory Apparatus and Furniture, 3841 - Surgical and Medical Instruments and Apparatus.
Related Pages & Tools
Further regulatory reference links for NAICS code 333415:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 333415 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.