NAICS 333415: Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
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. 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 Cross-References. Establishments primarily engaged in--Show more
NAICS 333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing encompasses the design, fabrication, and integration of HVAC and refrigeration systems for government facilities, including mission-critical environments such as data centers, laboratories, medical units, and military installations. This sector includes the manufacture of chillers, heat pumps, commercial refrigeration units, ducted and ductless HVAC systems, and specialized climate control equipment engineered for extreme environmental conditions.
Industry Spending Overview
Federal obligations, top contractors and agencies, and related industry codes for NAICS 333415.
AI Industry Description
NAICS 333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing encompasses the design, fabrication, and integration of HVAC and refrigeration systems for government facilities, including mission-critical environments such as data ce...
NAICS 333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing encompasses the design, fabrication, and integration of HVAC and refrigeration systems for government facilities, including mission-critical environments such as data centers, laboratories, medical units, and military installations. This sector includes the manufacture of chillers, heat pumps, commercial refrigeration units, ducted and ductless HVAC systems, and specialized climate control equipment engineered for extreme environmental conditions. Products in this category must meet stringent federal standards for energy efficiency, durability, and compliance with ASHRAE, DOE, and EPA regulations. In government contracting, this NAICS supports infrastructure resilience, operational continuity, and energy security across defense, healthcare, and scientific missions. Top contractors in this space include ROCK SOLID SOLUTIONS, LLC, SUPPLY KING USA, LLC, TECH O. R., LLC, and BHPE LLC, among others, with a strong presence of small businesses and veteran-owned firms delivering specialized equipment and installation services. The competitive landscape is characterized by niche specialization, with many contractors focusing on retrofitting legacy systems, deploying modular climate control units, or providing rapid-response maintenance for remote or high-security facilities. Primary buyers include the Department of Defense, Department of Energy, Department of Veterans Affairs, and Department of State, driven by facility modernization initiatives, base infrastructure upgrades, and cold chain logistics for medical and scientific storage. Demand is particularly acute in installations requiring precise temperature and humidity control, such as VA hospitals, DOE national labs, and overseas diplomatic compounds. The market is highly opportunity-dense due to aging infrastructure, increasing energy efficiency mandates, and the expansion of secure, climate-sensitive facilities. Contractors with expertise in ENERGY STAR-rated equipment, IoT-enabled monitoring systems, and federal procurement compliance are best positioned to compete. Emerging trends include the integration of sustainable refrigerants and smart building controls, creating new avenues for innovation and contract growth.
Small Business Size Standard
The SBA threshold that decides who can bid NAICS 333415 work as a small business.
The SBA cap for this NAICS (13 CFR 121.201). A business at or under it can self-certify as small for work in this code, which is what makes it eligible for a small-business set-aside. The cap is set per NAICS, so the same company can be small in one code and not in another.
13 CFR 121.201, effective January 1, 2026. The SBA revises the table roughly once a year.
Top Contractors
Companies with the highest total award value under NAICS 333415, ranked by dollars won.
| Company | Total Awards | Contracts |
|---|---|---|
| JOHNSON CONTROLS NAVY SYSTEMS, LLC | $178.1M | 95 |
| SIMULATION TECHNOLOGIES, INC | $24.8M | 2 |
| HDT EXPEDITIONARY SYSTEMS INC | $17.7M | 6 |
| MAINSTREAM ENGINEERING CORP | $14.6M | 5 |
| ENGINEERED COIL COMPANY | $12.9M | 190 |
| OVC-ENGINEERED SOLUTIONS LLC | $12.6M | 5 |
| TRIDENT MARITIME SYSTEMS, INC. | $5.0M | 4 |
| SNOWBIRD TECHNOLOGIES INC. | $4.6M | 8 |
| TL SERVICES, INC. | $4.6M | 2 |
| BIOFRIDGE INC. | $4.0M | 1 |
Top Agencies
Federal agencies directing the most contract spending toward NAICS 333415.
Competition
How many companies historically bid on federal awards in NAICS 333415, from bidder counts reported on USAspending.
Median under 3 bidders per reported award. · 90,468 reported awards
Median Bidders
2
Per reported award, all-time
Single-Bid Awards
49%
Share of reported awards with one bidder
10+ Bidder Awards
5%
Share of reported awards with 10+ bidders
Reported Awards
90,468
66% of 137,667 total awards
Share of reported awards in each bidder-count bracket per federal fiscal year.
How this code compares up the NAICS hierarchy. Parent cohorts pool every code under their prefix, so they are the steadier baseline when a 6-digit sample is thin.
| Industry Family | Competition | Median Bidders | Single-Bid | Bidder Mix | Reported Awards |
|---|---|---|---|---|---|
333415This Code Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | Fewer Bidders | 2 | 49% | 90,46866% of 137,667 | |
33341NAICS Industry | Fewer Bidders | 2 | 46% | 139,77473% of 191,612 | |
3334Industry Group Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing | Fewer Bidders | 2 | 46% | 139,77473% of 191,612 | |
333Subsector | Fewer Bidders | 2 | 45% | 1,796,88757% of 3,142,926 | |
33Sector Manufacturing | Fewer Bidders | 2 | 44% | 16,883,00469% of 24,369,785 |
Bidder counts reported on past federal awards in this NAICS (USAspending). An open opportunity has no bidders yet, so this is the historical norm for similar work, not a fact about this solicitation. Not all awards report bidder counts, and fewer bidders often means incumbent-held work rather than an easier win. Federal reporting of bidder counts fell from ~96% of awards (FY2016) to ~30% (FY2018 onward); the chart shows shares of reported awards, and washed-out stretches mark years with fewer than 30 of them.
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