How to get an HVAC license in Wisconsin: the official requirements
The HVAC Qualifier certification license, the experience and training it takes, the exam and how to apply, from the Wisconsin Department of Safety and Professional Services.
In Wisconsin, the state's HVAC credential for individuals is the HVAC Qualifier certification from the Department of Safety and Professional Services; the DSPS pages we read do not state who must hold it, so check with DSPS and your local building department. The HVAC Qualifier certification, an individual credential issued by the Wisconsin Department of Safety and Professional Services. First-time applicants apply by examination. Experience and training: To qualify for the exam: at least 1,000 hours a year for at least 4 years supervising or performing the design, installation, servicing or maintenance of HVAC systems or equipment; or at least 4 years in a school of mechanical engineering or an accredited HVAC-related program; or a combination of 4 years of the two. Experience is documented on the Trades Experience Form signed by witnesses. Licensing exam: The HVAC Qualifier exam: open book, with a passing score of 70%. Exam instructions are sent once you meet the qualifications for the exam. How to apply: Apply online through LicensE: create or log into your account, select Apply for a License, choose the license type and application method, upload the Trades Experience Form and pay the fees.
Wisconsin HVAC license requirements
| Requirement | Wisconsin |
|---|---|
| License you apply for | The HVAC Qualifier certification, an individual credential issued by the Wisconsin Department of Safety and Professional Services. First-time applicants apply by examination. |
| Apprentice or trainee registration | Not stated in the official source we read. Check with the Wisconsin Department of Safety and Professional Services. |
| Experience and training | To qualify for the exam: at least 1,000 hours a year for at least 4 years supervising or performing the design, installation, servicing or maintenance of HVAC systems or equipment; or at least 4 years in a school of mechanical engineering or an accredited HVAC-related program; or a combination of 4 years of the two. Experience is documented on the Trades Experience Form signed by witnesses. |
| Classroom hours | Not stated in the official source we read. Check with the Wisconsin Department of Safety and Professional Services. |
| Licensing exam | The HVAC Qualifier exam: open book, with a passing score of 70%. Exam instructions are sent once you meet the qualifications for the exam. |
| How to apply | Apply online through LicensE: create or log into your account, select Apply for a License, choose the license type and application method, upload the Trades Experience Form and pay the fees. |
| Background check | Applicants with convictions may apply for an optional predetermination first; if required, upload Form 225X with the legal documents. Convictions and pending charges are reviewed as part of the application. |
| State fees | HVAC Qualifier: $60 credential fee plus a $15 application fee; renewal $60. Exam vendor fees are separate. |
| License term | Four years from the date of issuance. |
| Continuing education | No continuing education is required for the HVAC Qualifier; you submit the renewal application and pay the fees. |
Where the official source we read does not state something, the table says so rather than guessing. Fees shown are the licensing authority's own. Fees charged by exam vendors, schools, apprenticeship programs, fingerprint vendors and application portals are not included.
This page covers the HVAC license issued by the state. Cities and counties can have their own registration, permit or license rules; ask the local building department where you will work.
How to get licensed in Wisconsin
- Build at least 4 years of HVAC experience (1,000 hours a year), HVAC-related schooling, or a combination of the two.
- Complete the Trades Experience Form and have your witnesses sign off.
- Apply for the HVAC Qualifier credential on LicensE.
- Pass the open-book exam with a score of 70% or more.
- Renew every four years.
Go further
Requirements state by state.
Open →CareerHow to become an HVAC technicianThe career path, nationally.
Open →PayHVAC technician salaryWhat HVAC technicians earn.
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Open →ResumeHVAC technician resumeHow to present your experience and licenses.
Open →InterviewHVAC technician interview questionsWhat hiring managers ask.
Open →Disclosure: TryHired makes HIRED, a paid job-search program, so we have a conflict of interest when we mention it. Everything on this page is free to use without buying anything.
Questions people ask
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How this page is built
Each fact on this page comes from the Wisconsin Department of Safety and Professional Services (sources named below), read on the dates shown, with the exact wording we relied on kept on file. Requirements and fees change; the Wisconsin Department of Safety and Professional Services's current instructions govern. We re-read each state's sources every six months (next review by May 10, 2027).
- Not legal advice.
- Licensing rules can change. Verify current requirements with the issuing agency.
- Fees shown are the licensing authority's own. Fees charged by exam vendors, schools, apprenticeship programs, fingerprint vendors and application portals are not included.
- This page covers the HVAC license issued by the state. Cities and counties can have their own registration, permit or license rules; ask the local building department where you will work.
- This page covers the individual license named above. Master, contractor, specialty, residential, limited and out-of-state (reciprocity) licenses have their own rules.
- Wisconsin Department of Safety and Professional Services, HVAC Qualifier, official source, read Nov 9, 2026.
- Wisconsin Department of Safety and Professional Services, HVAC Qualifier - Licensure by Examination, official source, read Nov 9, 2026.
- Wisconsin Department of Safety and Professional Services, Credential Fees and Renewal Dates, official source, read Nov 9, 2026.