Quick Reference Table
Item | Details |
|---|---|
License type | Apprentice, Journeyman, Master, Contractor (municipal: e.g., Cheyenne Class C-1, Casper Mechanical Contractor) |
Regulating agency | Local city/county building department or contractor board |
Experience | Apprentice (none); Journeyman (4 years in Cheyenne; 4 years or apprenticeship in Casper); Master (7 to 9 years total, city specific) |
Exam | Required for Journeyman and Master levels (ICC or local exam) |
Renewal | Annual (Cheyenne, Casper) |
Continuing Education | No requirements found (as of 2026) |
Fees | Cheyenne: Contractor $250 (app), $75 (renew); Journeyman $80/$15; Master $100/$25. Casper: Contractor $300/$75; Journeyman $25/$15; Master $75/$37.50 (as of 2026, verify at servicetitan.com) |
Key links | Cheyenne C-1 Apprentice (PDF); Cheyenne Journeyman (PDF); Jackson Licensing |
Who Needs a License in Wyoming?
Any individual or business performing HVAC installation, repair, or replacement in Wyoming must comply with city or county HVAC license requirements in Wyoming for each job location. There is no statewide HVAC license. Wyoming only licenses electrical and plumbing contractors at the state level, so all HVAC licensing is managed locally.
Most Wyoming cities, including Cheyenne, Casper, Jackson, Cody, and Gillette, require HVAC contractors and their employees to hold local licenses. The specific scope that triggers the need for a license is defined by local ordinance. For example, in Jackson, an HVAC contractor license covers installation, alteration, and relocation of heating, ventilating, air conditioning, refrigeration, and incinerators, and includes related gas piping (JacksonWy.gov Contractor Licensing).
The difference between an employee and a contractor can be important. Many jurisdictions issue licenses to both individuals (e.g. journeyman and master licenses) and businesses (contractor or company-level license). In Cheyenne, the company must hold a contractor license, and at least one master or qualified supervisor must be named as the qualifying individual (Cheyenne City Master/Contractor Application). In Casper, the business must have a full-time master license holder on staff.
For residential and commercial projects alike, if you are bidding or performing any work involving HVAC systems, check the project address with the appropriate city or county office to confirm local licensing rules before starting.
HVAC License Types in Wyoming
The main HVAC license requirements in Wyoming are categorized by municipality. Most commonly, cities such as Cheyenne and Casper offer the following types:
Apprentice: Entry-level, usually no exam, learns under supervision.
Journeyman: Requires field experience (usually 4 years), must pass proctored exam, eligible to work unsupervised on HVAC systems.
Master: Higher experience (Cheyenne: 7 years total; Casper: 9 years total or 5 years as journeyman), must pass advanced exam; may supervise others and be responsible for code compliance.
Contractor (Company): Required to pull permits for company projects. Must employ a master or qualified supervisor. In Cheyenne, contractor is a business-level license with insurance verification.
Some cities offer additional specialized licenses relevant to HVAC, such as:
Refrigeration: Separate apprentice, journeyman, and master refrigeration licenses are available in some cities (e.g. Cheyenne).
Mechanical Contractor/Boiler Operator/Gas Fitter: Casper and some other jurisdictions require licenses for mechanical contracting, boiler operation, and gas fitting as related HVAC sub-trades.
If you intend to perform work involving multiple specialties (e.g. HVAC and refrigeration), you may need separate licenses for each. Always confirm which license type your scope of work requires by checking local definitions.
How to Get Licensed in Wyoming
Step 1: Apprentice Registration and Experience
To obtain an HVAC license in Wyoming, start by applying for the apprentice license in the city where you plan to work. In Cheyenne, this means submitting the Class C-1 Apprentice Application PDF. Apprentices typically work under supervision for four years (Cheyenne and Casper guideline). Maintain a job log documenting hands-on tasks throughout your apprenticeship.
Step 2: Journeyman Application and Exam
After required apprenticeship experience, apply for the journeyman license. This involves completing the city-specific journeyman application, assembling proof of work history, and scheduling the required exam such as the ICC National Standard or Wyoming WAM exam. Cheyenne requires documentation of employers, job titles, and duties. Use the Journeyman Application PDF for Cheyenne.
Step 3: Master and Contractor Licensing
Once you gain the required journeyman experience (typically 3 years in Cheyenne, 5 years in Casper, but confirm with local codes), apply for the master license. Attach records of all work, verification letters, and submit to the city. Pass the master-level exam if required. For business owners, submit the contractor-level application. Cheyenne requires you to submit liability insurance, workers’ compensation coverage, and name your qualifying master. Obtain required bonds (ranges $5,000 to $10,000 by city) and await board review. Cheyenne and other cities process applications at monthly meetings, so submitting on time is important. The Cheyenne Contractor Cover Letter PDF gives details on timelines and requirements.
Step 4: EPA Certification and Miscellaneous Steps
Before doing refrigerant work, you must get EPA Section 608 certification. Actual procedures and timelines differ by city. Because there is no statewide HVAC license requirements in Wyoming, always check with your city or county office for specifics about deadlines, forms, and board meeting dates.
Application Requirements
HVAC license requirements in Wyoming are set locally, with each application package determined by the city. The most common requirements include:
Experience and Age Requirements
Cheyenne and Casper require journeyman license applicants to submit documentation of at least four years of apprenticeship or work under supervision. To advance to master level, applicants must show additional years of experience as a licensed journeyman, three years in Cheyenne, five years in Casper, or equivalent total experience. The forms require detailed lists of job titles, employers, and tasks performed as part of the application (Journeyman Application PDF).
Age and citizenship requirements are not specified in the main city forms reviewed. If this is relevant to your circumstances, verify at the local city application instructions for updates.
Bond and Insurance
Bonds are required by many cities for contractor-level licenses. Bond amounts vary, such as $5,000 (Gillette) and $10,000 (Lander, Jackson), and are set by the municipality, not the state. You must also supply proof of current general liability insurance and workers’ compensation coverage. Casper requires contractor liability of $100,000 per personal injury or death and $300,000 property damage (servicetitan.com Wyoming HVAC).
Always check if your city requires submission of the original bond certificate and insurance policy, or just copies.
Background Checks and Other Disclosures
There is no evidence of background checks, fingerprints, or criminal disclosures in the Cheyenne or Casper forms. However, if your local jurisdiction adds extra requirements, you must comply. Verify all current forms at the city’s board or permitting website.
Federal EPA 608 Certification
If you handle refrigerants (split systems, chillers, etc.), you must hold an active EPA Section 608 certification. This is a federal legal requirement nationwide and is checked by local inspectors when you pull permits for refrigerant system work.
Exams
Passing a proctored exam is required for most journeyman and all master HVAC licenses in Wyoming, with each city setting its standard. In Cheyenne, qualifying exams are the ICC National Standard or the Wyoming Association of Municipalities (WAM) exam (Journeyman Application).
Exact exam details, such as question count, format, time allowed, passing score, and topics, are not specified in public sources. You must contact the city or exam provider (ICC or WAM) to schedule the test and obtain content outlines. In Cheyenne, passing proof must be included with your application.
If you fail, contact your city office or exam administrator about retake policies or limits. There is no single exam used for the entire state, so always confirm with the city board or forms referenced in this guide.
For more on exam content and registration, verify at official city licensing and ICC exam sites.
Fees
HVAC license requirements in Wyoming include payment of local fees set by each city. Here is a breakdown of the major publicized fees as of 2026:
Cheyenne (as of 2026, verify at servicetitan.com):
Contractor (company): $250 application, $75 renewal
Master: $100 application, $25 renewal
Journeyman: $80 application, $15 renewal
Apprentice: $20 application, $5 renewalCasper (as of 2026, verify at servicetitan.com):
Mechanical contractor: $300 application, $75 renewal
Master: $75 application, $37.50 renewal
Journeyman: $25 application, $15 renewal
Apprentice: $3 application, $3 renewal
Boiler operator/gas fitter: $20 application, $10 renewal
Bond premiums are not part of the above city fee schedules, but you must separately budget for required bond coverage ($5,000 to $10,000 depending on city). If you are bidding a job elsewhere in Wyoming, verify all fees with that city’s most recent fee schedule.
Renewal and Continuing Education
Renewal Process
All major cities with HVAC license requirements in Wyoming issue licenses with a one-year term. Annual renewal is mandatory, and you must pay the renewal fee on time to avoid lapsing. Renewal in Cheyenne and Casper is typically by mail or in person, using city forms. Both the individual licenses (apprentice, journeyman, master) and the contractor (business) license must be renewed. If your license is denied or lapses, re-application may be necessary with an added fee (Cheyenne Master/Contractor Cover Letter).
Continuing Education
Currently, there are no continuing education (CE) or training hour requirements for HVAC license renewals in Cheyenne, Casper, or any other major Wyoming jurisdiction as of 2026. This could change in the future, so contractors should monitor their city board notices for any updates.
Lapse and Reinstatement
If you miss the renewal deadline, there is no standardized late penalty or grace period published, but generally, you may need to reapply. Cheyenne requires a $50 re-application fee if denied. Always confirm reinstatement steps at your city board office before resuming work.
Reciprocity
There is no statewide HVAC reciprocity for Wyoming contractors. Wyoming does not have any state-level HVAC license agreements with other states. However, some cities do have localized reciprocity pathways.
For example, Casper may accept proof of licensure or exam passage from certain other reputable states or jurisdictions. Jackson specifically allows you to obtain a "reciprocity card" if you already hold a Wyoming municipal license in good standing for the same scope (Jackson Reciprocity).
You cannot use an out-of-state HVAC license directly for projects in Wyoming municipalities. Always contact the local permitting office to find out whether they recognize your current credentials or require retesting and application from scratch.
Official Links
Below are key official city documents, forms, and ordinance sources for HVAC license requirements in Wyoming:
Cheyenne Class C-1 Apprentice Application (PDF)
Cheyenne Journeyman Application (PDF)
Cheyenne Master/Contractor Application (PDF)
Cheyenne Contractor Cover Letter (PDF)
For more local resources and business tools, see the HVAC licensing resource hub on CloseCrew.ai.
