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HVAC Licensing Guide -- 2025

Wisconsin HVAC License Requirements

Complete guide to Wisconsin HVAC licensing via the Department of Safety and Professional Services (DSPS). Includes Dwelling Contractor and Master Plumber pathways.

State License Required
Yes
Regulating Body
Wisconsin DSPS
EPA 608 Required
Yes
License Type(s)
Dwelling Contractor Qualifier, Master Plumber
Renewal Period
2 Years
CE Hours
Not required

Overview

Complete guide to Wisconsin HVAC licensing via the Department of Safety and Professional Services (DSPS). Includes Dwelling Contractor and Master Plumber pathways. The state requires licensing to ensure consumer protection and professional standards in HVAC installation and service.

EPA 608 Required

Federal law requires EPA 608 certification for anyone purchasing or handling refrigerants. This applies regardless of state licensing status. Use our free EPA 608 course to prepare.

License Requirements

Requirement Details
Regulating Body Wisconsin DSPS
License Type(s) Dwelling Contractor Qualifier, Master Plumber
Renewal Period 2 Years
Continuing Education Not required
EPA 608 Certification Required for refrigerant handling
Surety Bond Not required
General Liability Insurance $300,000

Exam Details

Detail Information
Exam Provider PSI Exams
Exam Fee $65
Format Multiple choice, computer-based
Passing Score 70% (varies by state)
Application Fee $164

Application Process

  1. Verify and document your HVAC experience
  2. Obtain EPA 608 certification
  3. Apply through Wisconsin DSPS and pay application fee
  4. Pass required exam(s)
  5. Submit proof of insurance and bond
  6. Receive license and begin working

FAQ

Is EPA 608 required in Wisconsin?
Yes. EPA 608 is a federal requirement for all refrigerant handling regardless of state licensing. It is typically a prerequisite for the state contractor license as well. Our free EPA 608 course can help you prepare.
Does Wisconsin have reciprocity with other states?
Reciprocity agreements change frequently. Contact Wisconsin DSPS directly to confirm current reciprocity agreements with your home state. Out-of-state experience typically counts toward experience requirements.
Can I work in Wisconsin while my license application is pending?
Generally no. You must have a valid license before performing HVAC work for compensation in Wisconsin. Working without a license is a violation that can result in fines and affect your ability to obtain a license. Contact Wisconsin DSPS for specific guidance.
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