How often do I need to renew my HVAC Contractor License in Wisconsin?

The HVAC Contractor License in Wisconsin must be renewed every 48 months.

How much does it cost to renew a HVAC Contractor License in Wisconsin?

The renewal cost for a HVAC Contractor License in Wisconsin is $160.00.

What happens if my HVAC Contractor License expires in Wisconsin?

Performing HVAC work in Wisconsin without a valid DSPS license can result in fines up to $10,000 per violation. EPA violations for refrigerant handling carry additional federal penalties.

Wisconsin renewal guide

HVAC Contractor License

If this license is up for renewal, this page gives you the fee, the timeline, and the items that usually hold the filing up.

Start here

What matters before you file.

Check the fee, the renewal window, and the documents or insurance records that can slow approval down.

Issuing authority

Wisconsin Department of Safety and Professional Services (DSPS)

Renewal period

Every 48 months

Renewal fee

$160.00

Late penalty

$25.00

Bond requirement

No

Insurance requirement

Yes — General Liability, Workers' Compensation

Before you renew

Get the filing straight.

1
Check the insurance certificates

Make sure the required policies are current and match what the board or agency expects before you file.
2
File with the board

File through Wisconsin Department of Safety and Professional Services (DSPS) and pay the $160.00 renewal fee once the supporting proof is ready.
Renew online
3
Leave room for processing

Typical processing time is 30 days, so do not wait until the last minute.

If you miss the deadline, the late penalty is $25.00, with a 30-day grace period.

Detailed notes

The fine print is here.

Wisconsin HVAC Contractor Registration

The Wisconsin Department of Safety and Professional Services (DSPS) issues an HVAC contractor registration (not a license) for heating, ventilation, and air conditioning work. This is a 4-year business registration, not a biennial license, and no continuing education is required for the registration itself.

Requirements

Examination: Must pass the state HVAC contractor exam
Experience: Documented HVAC trade experience
Insurance: General liability and workers' compensation insurance
EPA Certification: Section 608 certification recommended for refrigerant handling
Application Fee: $175 ($15 application + $160 credential fee per DSPS fee schedule)

Renewal Information

Renewal Period: Every 4 years
Renewal Fee: $160
Continuing Education: Not required for the business registration
Late Penalty: $25 flat DSPS late processing fee within grace period

Scope of Work

Registered HVAC contractors can install, maintain, and repair heating, ventilation, and air conditioning systems throughout Wisconsin.

Climate Considerations

Wisconsin's harsh winters create strong demand for heating system installation and maintenance. Proper system sizing and efficiency are critical for energy management in the state's cold climate.

*Disclaimer: This information is provided for general reference only and does not constitute legal advice. Always verify current requirements directly with the DSPS.*

Official links

Check the board or agency directly.

Official website Apply online Renew online

Required documents

Proof of Insurance
Examination Results
Experience Documentation
EPA Certification
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Source notes

Wisconsin DSPS Trades Renewal Dates and Fees (Rev . 1/4/2024). Corrected March 2026 (4-year $160 registration, no CE).

Rules move. Check Wisconsin Department of Safety and Professional Services (DSPS) again before you pay, renew, or schedule work around this requirement.