PSC Z2NB: Repair Or Alteration of Heating and Cooling Plants
Z2NB is the product and service code (PSC) federal agencies use for repair or alteration of heating and cooling plants, in the maint, alter, repair nonbuildings 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
- $33.2 million
- Share to small businesses
- 90%
Where Z2NB sits in the PSC Manual
- Category: Service
- Group Z: Maint, Repair, Alter Real Property
- Group Z2: Maint, Alter, Repair Nonbuildings
- Code Z2NB: Repair Or Alteration of Heating and Cooling Plants
NAICS codes used with PSC Z2NB
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with Z2NB most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | $55.3 million |
| 236220 | Commercial and Institutional Building Construction | $41.9 million |
| 236210 | Industrial Building Construction | $5.5 million |
| 561210 | Facilities Support Services | $4.3 million |
| 237110 | Water and Sewer Line and Related Structures Construction | $2.8 million |
| 334290 | Other Communications Equipment Manufacturing | $538,658 |
Who buys under PSC Z2NB
Agencies with the most contract dollars under Z2NB over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Army | $45.8 million |
| Department of the Navy | $21.1 million |
| Department of Veterans Affairs | $20.5 million |
| Department of the Air Force | $11.9 million |
| National Park Service | $2.8 million |
| Agricultural Research Service | $2.2 million |
| National Institutes of Health | $1.5 million |
| Forest Service | $1.2 million |
Federal spending under PSC Z2NB by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $20.6 million |
| FY2025 | $58.1 million |
| FY2026 | $33.2 million |
| FY2027 (so far) | $0 |
Who wins PSC Z2NB contracts
| Company | Obligated, last 3 years |
|---|---|
| Copper Construction Company, Inc. | $16.8 million |
| SGJV, LLC | $15 million |
| Veterans Contracting, Inc. | $12.5 million |
| Encon Desbuild JV 2 LLC | $6.9 million |
| Jett's Specialty Contracting, LLC | $4.8 million |
| Gci-Sac JV LLC | $3.6 million |
| Ma-Chis C & C Contractors LLC | $3.6 million |
| Northwest Hvac Solutions, LLC | $2.8 million |
| JMG Constructors LLC | $2.6 million |
| Defender Contracting & Construction LLC | $2.3 million |
Related PSC codes
- Z211 Maint – Rep – Alt/Dams
- Z212 Maint – Rep – Alt/Canals
- Z213 Maint – Rep – Alt/Mine Fire Cont
- Z214 Maint – Rep – Alt/Mine Subsidence Cont
- Z215 Maint – Rep – Alt/Surface Mine Reclam
- Z216 Maint – Rep – Alt/Dredging
- Z217 Dredging, Incl. Dustpan and Sea – Going Hoppers
- Z219 Maint – Rep – Alt/Other Consv Structure
- Z221 Maint – Rep – Alt/Airport Service Roads
- Z222 Maint – Rep – Alt/Hwys – RDS – STS – BRDGS – Ra
Frequently asked questions
What is PSC Z2NB?
Z2NB is the service code in the federal Product and Service Code (PSC) Manual for repair or alteration of heating and cooling plants, under Z (Maint, Repair, Alter Real Property) and Z2 (Maint, Alter, Repair Nonbuildings). 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 Z2NB?
Most federal contract dollars under PSC Z2NB 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 Z2NB?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 1 open notices use PSC Z2NB right now. FedReady can match new ones to your business and email you, free.