Wyoming HVAC Contractor License Guide

There’s no statewide HVAC contractor license in Wyoming. To work legally, you must be licensed by the city where the job is located (for example, Cheyenne or Casper). This guide shows exactly how to get licensed, what exams and insurance you need, fees, and renewal rules.

Requirements last verified: 2026-10-20

Requirement	Details
Licensing agency	Wyoming has no statewide HVAC contractor license. Licensing is by local authority, e.g., City of Cheyenne Contractor Licensing Board and City of Casper Community Development – Building & Inspection. Cheyenne board; Casper Building & Inspections.
Fees (Cheyenne C‑1 HVAC)	Contractor initial $250; renewal $75. Master (individual) initial $100; renewal $25. Journeyman $80; renewal $15. Apprentice $20; renewal $5. See city fee table and applications. Cheyenne fees/applications.
Fees (Casper Mechanical/Plumbing)	Mechanical/Plumbing Contractor $300 new; $150 renewal. Master $75; $37.50 renewal. Journeyman $25; $15 renewal. Apprentice $10; $5 renewal. Casper cover sheet (1/2/2026).
Experience	Cheyenne: Plumbing, HVAC, Refrigeration are tested licenses; experience is reviewed during board approval. Cheyenne tested license note. Casper: Mechanical Master typically requires 4 years in a City of Casper licensed mechanical shop + 5 years as journeyman/master. Casper cover sheet.
Exam	Cheyenne accepts current published exams from ICC/NICET (or other approved). Cheyenne regulations. Casper accepts Wyoming Association of Municipalities (WAM) or equivalent ICC contractor certification exams with minimum 75% passing. Casper Ord. amending CMC 15.12.070.
Minimum age	Not set at state level. Local codes/forms do not publish a numeric minimum age; applicants must meet exam/experience criteria and identity/insurance requirements. See local regulations. Cheyenne regs.
Insurance / bond	Cheyenne: Certificate of commercial general liability; Class C subcontractors (incl. C‑1 HVAC) minimum $300,000 per occurrence / $600,000 aggregate; City named as certificate holder. Cheyenne insurance instructions; limits table. Casper: Liability insurance at least $250,000/$500,000 personal injury and $250,000 property damage. Casper cover sheet.
Renewal	Cheyenne licenses expire one year from issuance; renewal required annually. Cheyenne renewal rule. Casper licenses renew annually; many contractor licenses show 12/31 expiration dates. Casper roster (expirations).

How to get a HVAC contractor license in Wyoming

1. Confirm where you’ll work. Wyoming licenses HVAC locally. Identify the authority (e.g., Cheyenne or Casper) for each jobsite.
2. Pick the correct license type. Cheyenne splits HVAC into Class C‑1 HVAC (tested) with separate Master/Contractor and individual journeyman/apprentice credentials; Casper licenses Mechanical Contractor, Master, Journeyman, and Apprentice under its mechanical/plumbing categories. Cheyenne categories & fees; Casper classifications.
3. Designate your qualifying individual. Cheyenne requires a Master/Qualified Supervisor in the trade; Casper requires a full‑time Mechanical Master for contractor licensure. Cheyenne regs; Casper cover sheet.
4. Meet experience prerequisites. Casper’s Mechanical Master typically requires 4 years in a Casper‑licensed mechanical shop plus 5 years as journeyman/master; Cheyenne reviews background for tested trades. Casper experience; Cheyenne tested note.
5. Pass the required exam. Cheyenne accepts ICC/NICET or other approved current exams for HVAC; Casper accepts WAM or equivalent ICC exams (minimum 75%). Cheyenne exam rule; Casper CMC 15.12.070.
6. Arrange insurance and (if applicable) workers’ comp. Cheyenne requires commercial general liability (Class C: $300k/$600k) with the City named as certificate holder. Casper requires $250k/$500k personal injury and $250k property damage. Cheyenne insurance instructions; Casper minimums.
7. Submit your application and fees. File the correct city forms and pay published fees (see tables linked above). Cheyenne licenses renew one year from issuance; Casper licenses commonly run on an annual cycle. Cheyenne renewal; Casper expirations.
8. Pull mechanical permits per job. After licensure, obtain mechanical permits for each project through the local building department.

Wyoming HVAC contractor license: city-by-city specifics

Cheyenne (Class C‑1 HVAC)

Cheyenne treats HVAC, plumbing, and refrigeration as separate, tested Class C‑1 trades. Expect to designate a Master/Qualified Supervisor, pass an approved ICC/NICET exam, provide the City‑holder insurance certificate, and pay the C‑1 fees noted above. Regulations also outline limited electrical rules for HVAC equipment connections. Cheyenne regulations; Cheyenne applications/fees.

Casper (Mechanical/Plumbing)

Casper’s Mechanical Contractor license authorizes HVAC, refrigeration, and associated sheet-metal work and requires a full‑time Mechanical Master. The city accepts WAM or ICC exams with 75% passing and mandates specific liability minimums. See the 1/2/2026 cover sheet for current fees, classifications, and documentation checklists. Casper cover sheet; CMC 15.12.070 (exams).

If you’re weighing multi-city expansion, compare overlapping requirements and plan your credential path accordingly. Our national overview of HVAC contractor licensing in 2026 and our evergreen guide to HVAC contractor licensing requirements can help with exam prep, qualifying individual strategies, and compliance budgeting.

Frequently Asked Questions

Is there a single statewide HVAC license in Wyoming?

No. HVAC contractor licensing is handled by local jurisdictions such as Cheyenne and Casper; the State of Wyoming does not issue an HVAC contractor license. Always apply where the work is performed. See Cheyenne and Casper.

Which HVAC exams are accepted?

Cheyenne accepts current ICC/NICET (or other approved) exams. Casper accepts the Wyoming Association of Municipalities (WAM) or equivalent ICC contractor certification exams with a minimum passing score of 75%. Cheyenne regulations; Casper CMC 15.12.070.

How much are HVAC license fees in Cheyenne?

Cheyenne posts: C‑1 HVAC Contractor initial $250 (renewal $75); Master initial $100 (renewal $25); Journeyman $80 (renewal $15); Apprentice $20 (renewal $5). Cheyenne fee schedule.

What insurance do I need in Casper and Cheyenne?

Casper: at least $250,000/$500,000 personal injury and $250,000 property damage. Cheyenne: commercial general liability with Class C minimums $300,000 per occurrence/$600,000 aggregate and the City named as certificate holder. Casper cover sheet; Cheyenne insurance limits.

Do I need a Master to hold the contractor license?

Yes, in both cities. Cheyenne requires a Master/Qualified Supervisor for the trade; Casper requires employment of a full‑time Mechanical Master for Mechanical Contractor licensure. Cheyenne regs; Casper requirements.

How often do I renew?

Cheyenne licenses expire one year from issuance and must be renewed annually. Casper’s contractor licenses are renewed annually (city rosters show year‑end expirations). Cheyenne renewal rule; Casper expirations.

Want a checklist tailored to your city and scope? License Navigator maps your steps, forms, fees, and exam options so you can get licensed and start pulling permits faster.