PSC H941: Other QC/Test/Inspect – Refrigeration, Air Conditioning, and Air Circulating Equipment
H941 is the product and service code (PSC) federal agencies use for “Other QC/Test/Inspect – Refrigeration, Air Conditioning, and Air Circulating Equipment”, in the “Other Quality, Test, Inspect SVCS” group. Here are the contracts open under it now, the NAICS codes it pairs with, and who buys and wins this work.
- Open contracts now
- 1
- Federal contract spending, FY2025
- $1.1 million
- Share of contract dollars to small businesses, since FY2024
- 52%
Open count as of Oct 28, 2026, 7:01 PM ET. The search counts live, so its total can differ by a notice or two.
Open PSC H941 contracts with 2+ days to respond
- Chemical Hoods & HEPA PM
Due in 13 daysNov 10, 2026, 10:00 AM EST
Where H941 sits in the PSC Manual
- Category: Service
- Group H: Quality Control, Test, Inspection
- Group H9: Other Quality, Test, Inspect SVCS
- Code H941: Other QC/Test/Inspect – Refrigeration, Air Conditioning, and Air Circulating Equipment
NAICS codes used with PSC H941
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with H941 most often:
| NAICS | Industry | Spent, last 3 years | Open with PSC H941 |
|---|---|---|---|
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | $1.2 million | — |
| 541620 | Environmental Consulting Services | $620,637 | 1 |
| 561210 | Facilities Support Services | $446,542 | — |
| 541380 | Testing Laboratories and Services | $249,072 | — |
| 811210 | Electronic and Precision Equipment Repair and Maintenance | $185,873 | — |
| 541990 | All Other Professional, Scientific, and Technical Services | $93,000 | — |
Open contracts under each code, with any PSC: NAICS 238220 · NAICS 541620 · NAICS 561210 · NAICS 541380 · NAICS 811210 · NAICS 541990
Who buys under PSC H941
Agencies with the most contract dollars under H941 over the last three fiscal years, per USAspending.gov. Each name links to that agency's open contracts and buying history:
| Agency | Obligated |
|---|---|
| Department of Veterans Affairs | $1.3 million |
| Indian Health Service | $859,939 |
| Department of State | $626,257 |
| U.S. Coast Guard | $82,750 |
| National Park Service | $33,116 |
| Smithsonian Institution | $25,984 |
| Department of the Navy | $21,250 |
| Bureau of Indian Affairs and Bureau of Indian Education | $10,401 |
Federal spending under PSC H941 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $959,072 |
| FY2025 | $1.1 million |
| FY2026 (incomplete) | $932,633 |
Headline figures use FY2025, the last complete year. FY2026 is still incomplete and will rise until about early January 2027 as Defense data arrives: USAspending.gov publishes Defense contracts 90 days after they're signed.
Who wins PSC H941 contracts
| Company | Obligated, last 3 years |
|---|---|
| Temperature Technology, Inc. | $349,165 |
| Fluid Solutions LLC | $313,056 |
| Mesa Energy Systems, Inc | $298,915 |
| Cih Services Inc | $280,110 |
| HGS Engineering Inc | $201,881 |
| Johnson Controls, Inc | $201,499 |
| Gulf Geoexchange and Consulting Services, Inc. | $171,402 |
| Ingenieros Consultores Y Constructores Electromecanicos, S.A. De C.V. (ICCE) | $170,893 |
| Siemens Industry Inc | $147,627 |
| Health Systems Sciences, LLC | $128,886 |
Linked names have a FedReady profile, which shows the NAICS codes a business is registered as small under. Most large companies have none.
Large prime contractors (companies that hold the contract with the agency) subcontract part of their work to small businesses. See which primes subcontract, by NAICS code.
Research PSC H941 work
By the NAICS codes this work goes with, the one with the most spending first: who won recently, contracts ending soon, agencies' planned buys and the large primes that subcontract it, nationwide. Each code shows only the pages that exist for it:
- 238220 Plumbing, Heating, and Air-Conditioning Contractors: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
- 541620 Environmental Consulting Services: who won recently · planned buys · large primes that subcontract
- 561210 Facilities Support Services: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
Related PSC codes
- H910 Other QC/Test/Inspect – Weapons
- H911 Other QC/Test/Inspect – Nuclear Ordnance
- H912 Other QC/Test/Inspect – Fire Control Equipment
- H913 Other QC/Test/Inspect – Ammunition and Explosives
- H914 Other QC/Test/Inspect – Guided Missiles
- H915 Other QC/Test/Inspect – Aircraft and Airframe Structural Components
- H916 Other QC/Test/Inspect – Aircraft Components and Accessories
- H917 Other QC/Test/Inspect – Aircraft Launching, Landing, and Ground Handling Equipment
- H918 Other QC/Test/Inspect – Space Vehicles
- H919 Other QC/Test/Inspect – Ships, Small Craft, Pontoons, and Floating Docks
Frequently asked questions
What is PSC H941?
H941 is the service code in the federal Product and Service Code (PSC) Manual named “Other QC/Test/Inspect – Refrigeration, Air Conditioning, and Air Circulating Equipment”, under H (Quality Control, Test, Inspection) and H9 (Other Quality, Test, Inspect SVCS). Agencies put a PSC on every contract to record what they bought.
What is the difference between a PSC and a NAICS code?
A PSC describes what the government is buying. A NAICS code describes the industry of the business doing the work, and it sets the SBA size standard for small business set-asides. Every contract notice has both.
Which NAICS code goes with PSC H941?
Most federal contract dollars under PSC H941 go with NAICS 238220 (Plumbing, Heating, and Air-Conditioning Contractors), according to USAspending.gov. The contracting officer picks the NAICS code for each solicitation, so check the notice.
How do I find contracts that use PSC H941?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 1 open notice uses PSC H941 right now. FedReady can match new ones to your business and email you, free.
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Sources: SAM.gov Contract Opportunities, USAspending.gov and the PSC Manual. How we count.