PSC H141: Quality Control – Refrigeration, Air Conditioning, and Air Circulating Equipment
H141 is the product and service code (PSC) federal agencies use for quality control – refrigeration, air conditioning, and air circulating equipment, in the quality control services 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
- Spending, FY2026
- $3.8 million
- Share to small businesses
- 81%
Open contracts with PSC H141, due soonest
- Multistack Chillers (Air Cooled), Associated Motor Starters
Due in 3 daysOct 14, 2026
Where H141 sits in the PSC Manual
- Category: Service
- Group H: Quality Control, Test, Inspection
- Group H1: Quality Control Services
- Code H141: Quality Control – Refrigeration, Air Conditioning, and Air Circulating Equipment
NAICS codes used with PSC H141
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with H141 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 561210 | Facilities Support Services | $5.5 million |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | $2.4 million |
| 561790 | Other Services to Buildings and Dwellings | $443,737 |
| 238290 | Other Building Equipment Contractors | $433,397 |
| 334290 | Other Communications Equipment Manufacturing | $376,608 |
| 339111 | Laboratory Apparatus and Furniture Manufacturing | $267,692 |
Who buys under PSC H141
Agencies with the most contract dollars under H141 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Navy | $3.7 million |
| Department of Veterans Affairs | $3.6 million |
| Department of the Army | $1.6 million |
| Department of State | $747,856 |
| Department of the Air Force | $665,075 |
| National Park Service | $292,049 |
| Federal Bureau of Investigation | $204,693 |
| National Gallery of Art | $193,103 |
Federal spending under PSC H141 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $3.2 million |
| FY2025 | $4.4 million |
| FY2026 | $3.8 million |
| FY2027 (so far) | $51,923 |
Who wins PSC H141 contracts
| Company | Obligated, last 3 years |
|---|---|
| United Paradyne Corp | $3.7 million |
| The Impact Group LLC | $922,326 |
| Conquest Solutions L.L.C | $489,035 |
| Control Solutions Northwest, Inc. | $486,530 |
| Serene Dwelling LLC | $464,340 |
| Delaware Elevator, Inc. | $433,397 |
| Trane U.S. Inc. | $376,608 |
| Air Balancing Engineers Inc | $366,086 |
| Honeywell International Inc. | $294,094 |
| Watertech of America Inc | $281,220 |
Related PSC codes
- H110 Quality Control – Weapons
- H111 Quality Control – Nuclear Ordnance
- H112 Quality Control – Fire Control Equipment
- H113 Quality Control – Ammunition and Explosives
- H114 Quality Control – Guided Missiles
- H115 Quality Control – Aircraft and Airframe Structural Components
- H116 Quality Control – Aircraft Components and Accessories
- H117 Quality Control – Aircraft Launching, Landing, and Ground Handling Equipment
- H118 Quality Control – Space Vehicles
- H119 Quality Control – Ships, Small Craft, Pontoons, and Floating Docks
Frequently asked questions
What is PSC H141?
H141 is the service code in the federal Product and Service Code (PSC) Manual for quality control – refrigeration, air conditioning, and air circulating equipment, under H (Quality Control, Test, Inspection) and H1 (Quality Control Services). 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 H141?
Most federal contract dollars under PSC H141 go with NAICS 561210 (Facilities Support Services), 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 H141?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 1 open notices use PSC H141 right now. FedReady can match new ones to your business and email you, free.