HVAC Qualifier

​ Now Live for Trades Credentials and Renewals!

All initial, reinstatement, and renewal applications for a Trades credential must now be made through LicensE, your online, self-guided licensing platform.

  • To apply for a license or renew your license, go to license.wi.gov.
  • For those renewing in LicensE for the first time or looking for more information about LicensE, including exams, refer to the “Trades LicensE Information" document.
  • Please review the LicensE Applicant User Guide for help. 
  • If you are having trouble with anything, please submit a support ticket at this link.  Please provide complete contact information and a detailed description of the issue you are experiencing.

​​​​​​​​​​Trades Renewal Message​​

Please go to https://appswlp.dsps.wi.gov/SB.CredentialRenewal/app/rstCredentialSearch for a special renewal message and to LicensE​ to renew your credentials.

License Information

Please be advised that any exams for this license taken on or after May 16th, 2018 will be include the most updated version of the Commercial Building Code. For more information on the code update, please click here.

Per Wis. Admin. Code § SPS 305.71, an individual may obtain in accordance with this section an HVAC Qualifier certification from the Department relative to the business of installing or servicing heating, ventilating or air conditioning equipment. A person or entity who utilizes a person who holds an HVAC Qualifier certification under this section shall be deemed to be a certified HVAC business and pursuant to Wis. Stat. § 101.178(3)(c) may not be required to obtain a local certification, license or other approval in order to ​engage in the business of installing or servicing heating, ventilating or air conditioning equipment.

Application Information

3122HVAC Qualifier Certification Application Information (includes Form 3122T)
Trades LicensE Information
​Trades Convictions and Pending Charges (if applicable) 
Application for Predetermination (Optional-Submit ONLY if you have been convicted of any felony, misdemeanor, or other violations of federal or state law in this state or any other and you want a review of your conviction record before applying for a credential.)​​

etting Certified to Work with Lead Based Paint

Training and certification are required for professionals who offer or conduct regulated lead-based paint activities in pre-1978 housing and child-occupied facilities. These activities include:

  • Abatement of Lead Hazards
  • Lead Testing, Inspection, and Risk Assessment
  • Most paint-disturbing renovation work (for example, replacing windows, scraping paint prior to re-painting)
  • Post renovation and post-abatement clearance (including dust wipe sampling to measure lead dust left behind)

By getting certified and working safely, you protect your own and others' health, and show professional responsibility. For more information about certification, visit the Wisconsin Department of Health Services​ website.​