NAICS 238220

Plumbing, Heating, and AC Contractors — Government Contracts

Plumbing, Heating, and Air-Conditioning Contractors (NAICS 238220) includes mechanical contractors who install and maintain HVAC and plumbing systems. Federal facilities require ongoing maintenance, upgrades, and new installations, creating a steady stream of opportunities.

12

Active

3

Closing this week

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Pipeline value

7

States

Top states for NAICS 238220

Georgia (1)California (1)Virginia (1)Ohio (1)Colorado (1)Maryland (1)Wyoming (1)

Active Opportunities

Chiller Replacement Roybal Campus

CDC OFFICE OF ACQUISITION SERVICES

SAMAtlanta, Georgia

2d left

J045--Air Handling Unit Replacement

262-NETWORK CONTRACT OFFICE 22 (36C262)

SAMLos Angeles, CA

2d left

Greenbrier Ranger District HVAC Replacement

USDA-FS, CSA EAST 5

SAMBartow, West Virginia

5d left

High Volume Water Pumps, Columbus, OH

DEFENSE FINANCE AND ACCOUNTING SVC

SAMColumbus, Ohio

8d left

Safety Shower and Eyewash Corrections Phase 1

DEPT OF COMMERCE NIST

SAMBoulder, Colorado

10d left

Chiller Replacement Project - National Agricultural LIbrary

USDA ARS AFM APD

SAMBeltsville, Maryland

11d left

REPLACE BOILERS B1364 FORT MCCOY WI

W6QM MICC FT MCCOY (RC)

SAM

13d left

REPLACE BOILERS B1364 FORT MCCOY WI

W6QM MICC FT MCCOY (RC)

SAM

13d left

PKAA Fire Suppression MAFS (Service)

FA4613 90 CONS PK

SAMFE Warren AFB, Wyoming

17d left

Z--National Park Service - Richmond National Battlefield Park (RICH) - Replace HVA

NER SERVICES MABO (43000)

SAM

25d left

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How to Win NAICS 238220 Contracts

Federal agencies classify solicitations using NAICS codes to identify the type of work or product being procured. NAICS 238220 (Plumbing, Heating, and AC Contractors) must be listed on your SAM.gov registration to appear in searches and receive notifications for matching opportunities.

Each NAICS code has a small business size standard, which determines whether your firm qualifies as "small" for set-aside competitions. Check the SBA's size standards table for NAICS 238220 — the threshold may be based on annual revenue or number of employees.

Many Plumbing, Heating, and AC Contractors contracts are awarded through multi-award indefinite delivery/indefinite quantity (IDIQ) vehicles. Winning a spot on an IDIQ allows you to compete for task orders over 5–10 years, providing a predictable pipeline of work.

Past performance is critical for NAICS 238220 opportunities. Start with smaller contracts (micro-purchases under $10,000 or simplified acquisitions under $250,000) to build your track record, then pursue larger opportunities as your CPARS ratings improve.

Frequently Asked Questions

What is NAICS code 238220?
NAICS 238220 stands for "Plumbing, Heating, and AC Contractors" under the North American Industry Classification System. It is used by federal agencies to classify the type of work being solicited. Businesses must have this code on their SAM.gov registration to be eligible for contracts classified under NAICS 238220.
How do I find NAICS 238220 contracts?
All federal contracts under NAICS 238220 are posted on SAM.gov (formerly FBO.gov). You can search by NAICS code, or use GovMatch to automatically receive daily matches for Plumbing, Heating, and AC Contractors opportunities based on your business profile.
What is the small business size standard for NAICS 238220?
The SBA sets a size standard for each NAICS code that determines small business eligibility. For NAICS 238220, check the current size standards on the SBA website — standards are updated periodically and may be based on average annual receipts or number of employees.
Can I add NAICS 238220 to my SAM.gov registration?
Yes. You can add multiple NAICS codes to your SAM.gov Entity Registration. Adding NAICS 238220 ensures your business appears in agency market research and receives relevant solicitation notifications. There is no limit to the number of NAICS codes you can list.
What certifications help win NAICS 238220 contracts?
Useful certifications vary by industry. Common ones for Plumbing, Heating, and AC Contractors include SBA 8(a) (disadvantaged businesses), HUBZone, SDVOSB, and WOSB. Industry-specific certifications (ISO 9001, CMMI, FedRAMP, etc.) can also strengthen your proposals and differentiate your firm.

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