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Guide · California · 8 min read

How to Win Government HVAC Contracts in California

By the XL Eagle bid team · Updated November 2, 2026 · Built from our live bid database and USAspending.gov

HVAC contracts in California come up all year, because a broken air conditioner in a hot county cannot wait. Government buyers post repair jobs, replacement jobs and long on-call contracts. A small shop with a clean license and the right cards can win all three kinds.

Much of the biggest work is federal. NAVFAC Southwest, the Navy's engineering command in San Diego, buys a lot of its HVAC repair work through multiple-award contracts set aside for small businesses.

You can bid yourself, and the sections below show how. If you would rather skip the paperwork, send XL Eagle your price on a government job. XL Eagle writes and submits the bid as the prime. If it wins, you do the work and get paid. You do not need your own SAM.gov registration to work this way.

HVAC contracts in California at a glance

  • 5 open HVAC bids in California on XL Eagle today. See them all.
  • 115 HVAC solicitations in California in the last 12 months that we tracked (89 federal, 26 state and local).
  • Federal agencies made 480 contract awards worth $117.3 million for work performed in California under NAICS 238220 (this code also covers plumbing work) in FY2025 (Oct 2024 - Sep 2025).
  • Top federal buyers that year: Department of Defense ($100.8 million); Department of Veterans Affairs ($11.2 million); Department of Homeland Security ($2.2 million).
  • Agencies posting this work most often in our data: US Coast Guard, Air Force, Department of Veterans Affairs, Agricultural Research Service.
  • Where these jobs get posted: Cal eProcure, OpenGov.

Bid counts from the XL Eagle bid database as of November 2, 2026. Award totals from USAspending.gov.

Who buys HVAC work in California

  • NAVFAC Southwest, which buys Navy and Marine Corps construction and repair work, often through small business multiple-award HVAC contracts. Only the firms on a contract get its task orders, so watch SAM.gov for the next round.
  • Marine Corps Base Camp Pendleton, where NAVFAC Southwest buys boiler and mechanical repair work.
  • State agencies that post facility work on Cal eProcure, where registering as a bidder is free.
  • Caltrans, which lists bid opportunities and notices of intent to award on its procurement page.
  • Cities, counties and school districts, which buy rooftop unit replacements, chillers and service contracts for buildings that run all day.

Open HVAC bids in California right now

All open HVAC bids in California →

Licenses you need in California

California licenses HVAC work under the C-20 Warm-Air Heating, Ventilating and Air-Conditioning classification from the Contractors State License Board. It covers the air conditioning unit, ducts, registers, flues, humidity and thermostat controls, air filters and solar energy systems tied to them. CSLB requires a license when a job needs a permit, uses extra workers or costs $1,000 or more. It asks for four years of verifiable journey-level experience in the last ten, and a $25,000 contractor bond. Public works jobs also need DIR registration.

Register to bid in California

State and local jobs in California are posted on these sites:

  • Cal eProcure: The state's online marketplace where California agencies advertise bids in the California State Contracts Register, and where businesses apply for Small Business and DVBE certification.
  • DIR Public Works Contractor Registration: The Department of Industrial Relations registry that public works contractors must be on before they bid or work on California public works jobs.
  • SAM.gov: The federal site where military bases, the VA, the Forest Service and other federal buyers in California post their solicitations.
  • Caltrans Bid Opportunities: Caltrans lists bid opportunities, bid results and notices of intent to award, and also points suppliers to Cal eProcure.
  1. Register as a bidder on Cal eProcure. Choose Login/Register, then Register as a New Bidder, and fill in your company profile, address, user accounts and the commodity codes you want alerts for.
  2. Log in with the temporary password the system emails you, then set your own password.
  3. Search the California State Contracts Register on Cal eProcure for open events in your trade, and read the full package before you decide to bid.
  4. If you qualify, apply for Small Business (SB) or Disabled Veteran Business Enterprise (DVBE) certification through the DGS Office of Small Business and DVBE Services. The application is submitted through Cal eProcure.
  5. For construction work on public buildings and roads, get the right CSLB license and register with DIR as a public works contractor before you bid.
  6. For federal jobs, register on SAM.gov and read each solicitation for the Service Contract Act or Davis-Bacon wage rules that apply. Or send your price to XL Eagle and let XL Eagle bid as the prime.

Cal eProcure bidder registration is free. DIR public works contractor registration costs $400 for one fiscal year, $800 for two or $1,200 for three.

Federal jobs in California use SAM.gov, which is free. What SAM.gov is and how to register.

Small business certifications in California

  • California Small Business (SB) certification: An independently owned California business with 100 or fewer employees and average gross receipts of $19 million or less over three years can qualify, and certified SBs get a 5 percent bid preference on applicable state solicitations.
  • Small Business for Public Works (SB-PW): A California business with 200 or fewer employees and average gross receipts of $46 million or less over three years can certify for public works contracts only.
  • Disabled Veteran Business Enterprise (DVBE): A business at least 51 percent owned by a California-resident veteran with a service-connected disability of 10 percent or more, and run day to day by one or more disabled veterans.

Wage rules on public jobs

On California public works, workers must be paid the prevailing wage set by the Department of Industrial Relations, and DIR publishes the rates by craft and county. For federal jobs, the Davis-Bacon Act sets local prevailing wages on construction, alteration and repair contracts over $2,000, including painting and decorating, and the Service Contract Act does the same for service contracts over $2,500. The contract itself lists the wage determination you must follow.

What HVAC jobs look like in California

  • Anyone who adds or removes refrigerant needs an EPA Section 608 card. Type I covers small appliances, Type II covers high-pressure equipment, Type III covers low-pressure equipment, and Universal covers all of them. Apprentices are exempt only if a certified technician closely and continually supervises them. Keep copies of every card ready.
  • California's Energy Commission says only certified acceptance test technicians may run the required tests on mechanical systems. The test paperwork must reach the building department before a certificate of occupancy can be issued. On new or altered systems, ask who does the testing and who pays for it.
  • Read whether the bid is one job or a contract with task orders. Task orders are priced by rates and parts, and the work comes in pieces over time.
  • Maintenance contracts and replacement projects can fall under different federal wage laws. Service work usually follows the Service Contract Act. Replacement construction follows Davis-Bacon. The wage page in the package tells you which one applies.
  • Military bases have gate, pass and escort rules. Ask how long base access takes, because a late pass means a late repair.

Pricing HVAC work for California public buyers

  • Separate equipment from labor. Get a written distributor quote with the lead time, and make sure it holds through the bid period.
  • Price replacements by unit, using the tonnage and the count in the scope. Price repairs by hours and parts.
  • Add crane or lift time, roof access, refrigerant recovery and proper disposal of the old unit.
  • Include start-up, testing, balancing and any acceptance test fees. These are real costs that bids often miss.
  • Use the wage rate in the package, with payroll taxes and insurance on top.

Mistakes that lose these bids

  • Letting a Section 608 card lapse, or sending an uncertified helper to work on refrigerant lines.
  • Quoting without a C-20 license in hand on the bid date.
  • Leaving permit, inspection and acceptance testing out of the schedule and the price.
  • Using an old equipment quote. Prices and lead times move, and a stale number can erase your margin.

The fastest way to bid: send us your price

You can register and bid on your own using the steps above. If you would rather not, send XL Eagle your price on any HVAC job in California. We write and submit the bid as the prime contractor under our registrations. If it wins, you do the work and get paid. You do not need your own SAM.gov registration to work this way.

Pick a California HVAC job or read the national guide to government HVAC contracts.

Frequently asked questions

Do I need a C-20 license to repair air conditioning in a California government building?

Yes, in nearly every case. CSLB requires a license when the job needs a permit, uses extra workers or costs $1,000 or more. Government repair jobs usually pass that line.

Do I need an EPA Section 608 card to bid on HVAC work?

Your technicians need one if they maintain, service, repair or dispose of equipment that could release refrigerant. Apprentices are exempt only while a certified technician closely supervises them. Keep the cards ready for the buyer.

How do small shops get Navy HVAC work in California?

The Navy buys much of it through multiple-award contracts, such as the small business HVAC contract run by NAVFAC Southwest. Task orders go to the firms already on the contract. Watch SAM.gov for the next round, or send XL Eagle your price on open jobs.

Can I bid on a federal HVAC job without my own SAM.gov account?

Not directly. But you can send XL Eagle your price, and XL Eagle submits the bid as the prime. If it wins, you do the work and get paid.

Sources

Have a price for a government job?

Send it to us. XL Eagle writes and submits the bid under our registrations, free to you. If we win, you do the work at your price.

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