Wisconsin HVAC License Requirements

Official classification: HVAC Qualifier Certification + HVAC Contractor Registration · Issued by the Wisconsin Department of Safety and Professional Services (DSPS).

❄️ HVACWI ✔ Verified 2026-06-24

In Wisconsin, HVAC contractors must hold the HVAC Qualifier Certification + HVAC Contractor Registration, issued by the Wisconsin Department of Safety and Professional Services (DSPS), and no state surety bond is required. Full requirements — experience, exams, fees, insurance, renewal and reciprocity — are detailed below.

How to become a licensed HVAC contractor in Wisconsin

Follow these steps to earn your HVAC Qualifier Certification + HVAC Contractor Registration. Every figure is verified against the Wisconsin Department of Safety and Professional Services (DSPS); full detail for each step is further down the page.

Build the required experience. HVAC Qualifier: 4 years of combined education and/or experience (e.g., 1,000+ hours/year for 4 years, or a related mechanical/HVAC degree).
Pass the HVAC Qualifier Examination exam. Providers, passing scores and fees are in the Exams section below.
Line up insurance. You'll need liability insurance (No state-mandated general-liability minimum (local jurisdictions may require coverage)), and workers' compensation coverage.
Clear the background check. Criminal-history disclosure required (DSPS Form 2255).
Submit your application and fees. Apply through the Wisconsin Department of Safety and Professional Services (DSPS) — $15 (Qualifier); $15 (Contractor Registration) application fee, plus a Qualifier $60; Contractor Registration $160 (4-year) license fee. Processing time: Processed through the DSPS LicensE portal.
Keep the license active. Renew every 4 years.

License types

HVAC Qualifier Certification — Individual credential that qualifies the contracting business; authorizes installing and servicing HVAC systems.
HVAC Contractor Registration — Business-entity credential required to operate, pull permits, bid, and advertise; must hold or employ a Qualifier.

Requirements at a glance

Experience required	HVAC Qualifier: 4 years of combined education and/or experience (e.g., 1,000+ hours/year for 4 years, or a related mechanical/HVAC degree).
Application fee	$15 (Qualifier); $15 (Contractor Registration)
License fee	Qualifier $60; Contractor Registration $160 (4-year)
Renewal fee	Qualifier $60; Contractor Registration $160 (every 4 years)
Renewal period	Every 4 years
Continuing education	None required
Bond required	No state surety bond is required (local jurisdictions may impose one).
Liability insurance	No state-mandated general-liability minimum (local jurisdictions may require coverage)
Property damage	Not specified at the state level
Workers' comp	Required for any employer under Wisconsin law
Background check	Criminal-history disclosure required (DSPS Form 2255).
Credit requirement	None
Reciprocity	None for the HVAC Qualifier or Contractor credentials (Wis. Admin. Code SPS 305.70).
Processing time	Processed through the DSPS LicensE portal.

Exams

HVAC Qualifier Examination	Provider: Wisconsin DSPS or Pearson VUE · Passing: 70% · Fee: $25 (DSPS) or $95 (Pearson VUE); open book, 100 questions, 4-hour limit

Preparing for the HVAC exam? State-specific contractor exam-prep courses help you pass the first time. Start exam prep →

Local / municipal notes

EPA Section 608 certification is federally required to handle refrigerants, regardless of state credentials. Owners servicing their own equipment are exempt from the HVAC Contractor Registration. Local boards may add insurance, bond, or registration requirements.

Frequently asked questions

How much does a Wisconsin hvac license cost?

Application: $15 (Qualifier); $15 (Contractor Registration). License: Qualifier $60; Contractor Registration $160 (4-year). Renewal: Qualifier $60; Contractor Registration $160 (every 4 years).

Do hvacs in Wisconsin need a surety bond?

No state surety bond is required (local jurisdictions may impose one).

What experience is required for a Wisconsin hvac license?

HVAC Qualifier: 4 years of combined education and/or experience (e.g., 1,000+ hours/year for 4 years, or a related mechanical/HVAC degree).

Is insurance required for hvacs in Wisconsin?

Liability: No state-mandated general-liability minimum (local jurisdictions may require coverage) Workers' compensation: Required for any employer under Wisconsin law

How often must a Wisconsin hvac license be renewed?

Every 4 years.

Fees and rules change frequently (often annually). This page was last verified on 2026-06-24 — always confirm current requirements directly with the Wisconsin Department of Safety and Professional Services (DSPS) before applying. This is not legal advice.