HVAC Contractor Permit Requirements in Milwaukee, WI

1. EPA Section 608 Technician Certification

   Federal law requires all HVAC technicians who purchase or handle refrigerants to be certified under EPA Section 608 of the Clean Air Act. Certification is available in Type I (small appliances), Type II (high-pressure), Type III (low-pressure), and Universal categories. Certification is obtained through an EPA-approved testing organization such as ESCO Institute or NATE.

   Official government source

   $20–$60 (exam fee)·1–2 weeks (exam scheduling)

   $20–$60 (exam fee)

   1–2 weeks (exam scheduling)

2. EIN (Employer Identification Number)

   Required if you have employees or operate as an LLC or corporation. Free from the IRS.

   Official government source

   Free·Immediate (online application)

   Free

   Immediate (online application)

1. Wisconsin Department of Safety and Professional Services - HVAC Contractor Registration

   A business installing or servicing HVAC equipment in Wisconsin must hold an HVAC Contractor registration from DSPS (Wis. Admin. Code SPS 305.70). The registration is applied for by the business owner, a partner or a corporate officer, and there is no state examination for the Contractor registration itself. A separate HVAC Qualifier credential exists for individuals.

   Official government source

   $160 HVAC Contractor credential fee, renewing every 4 years from the date of issuance ($200 reinstatement fee). The individual HVAC Qualifier credential is $60 on the same 4-year cycle - DSPS Trades Renewal Dates and Fees.·Not published by DSPS - initial applications are filed at license.wi.gov.

   $160 HVAC Contractor credential fee, renewing every 4 years from the date of issuance ($200 reinstatement fee). The individual HVAC Qualifier credential is $60 on the same 4-year cycle - DSPS Trades Renewal Dates and Fees.

   Not published by DSPS - initial applications are filed at license.wi.gov.

1. City of Milwaukee - Mechanical Permit

   Milwaukee requires a mechanical permit for HVAC installation, pulled from the Department of Neighborhood Services at the Development Center, 809 N. Broadway. The installing contractor must hold the state HVAC Contractor registration issued by Wisconsin DSPS - there is no separate city HVAC contractor license on the City Clerk's License Division list.

   Official government source

   Not published in an accessible current schedule - permit fees vary by trade and scope under the Milwaukee Code of Ordinances permit fee schedule. Contact the Milwaukee Development Center, 809 N. Broadway, at (414) 286-8210 for your project's fee.·Not published - confirm with the Milwaukee Development Center.

   Not published in an accessible current schedule - permit fees vary by trade and scope under the Milwaukee Code of Ordinances permit fee schedule. Contact the Milwaukee Development Center, 809 N. Broadway, at (414) 286-8210 for your project's fee.

   Not published - confirm with the Milwaukee Development Center.

Official Sources

• Milwaukee Department of Neighborhood Services
• Wisconsin DSPS — HVAC Contractor License

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