UDC HVAC Inspector

License Information

Per Wis. Admin. Code § 305.63, no person may conduct the inspection of one- and two-family dwellings for the purpose of administering and enforcing Wis. Admin. Code § SPS 323 unless the person holds a certification issued by the Department as a certified UDC HVAC Inspector. A person who inspects one- and two-family dwellings as a certified UDC HVAC Inspector shall:

  • Maintain a record of the inspections made including the dates and the findings of the inspections;
  • Provide a copy of the inspection report to the property owner or his or her agent;
  • Make available to the Department upon request his or her inspection records.

Application for License

3157Application for UDC HVAC Inspector Certification
3073​Fax Payment Form

Reinstate a UDC HVAC Inspector Certification that has been Expired more than 4 Years

  1. Complete requirements for the method you are applying under (see Form #3157 for more information).
  2. Submit an application, supporting documentation and fee:
    • Application for UDC HVAC Inspector Certification (Form #3157)
    • See Form #3157 for total fee for the method you are applying under

Renewal Information


Renewal Methods

Department of Safety and Professional Services

Trades Credentialing Unit
PO Box 78780
Milwaukee, WI  53293-0780

If you have questions regarding your renewal, please email DSPSCredTrades@wisconsin.gov.

When mailing your renewal, please allow up to 21 calendar days [per Wis. Admin. Code SPS § 305.04 (1)] from the date your payment is processed to receive an update regarding your renewal.