Get a Wisconsin HVAC Contractor

To get a HVAC contractor license in Wisconsin, register your business as an HVAC Contractor with DSPS through the LicensE portal, and (in practice) employ or be an HVAC Qualifier who passed the state exam. Registration costs $160, renews every 4 years, and has no CE. DSPS HVAC Contractor; Fees; HVAC Qualifier. ([dsps.wi.gov](https://dsps.wi.gov/a-z-professions-list/hvac-contractor))

Requirements last verified: 2026-10-19

Requirement	Details
Licensing agency	Wisconsin Department of Safety and Professional Services (DSPS). HVAC Contractor page. ([dsps.wi.gov](https://dsps.wi.gov/a-z-professions-list/hvac-contractor))
Credential type	Organization credential: HVAC Contractor registration (business). Apply online in DSPS LicensE with an organization account. DSPS. ([dsps.wi.gov](https://dsps.wi.gov/a-z-professions-list/hvac-contractor))
Initial fee	$160 initial credential fee (HVAC Contractor). DSPS fee schedule. ([dsps.wi.gov](https://dsps.wi.gov/credentialing/credential-fees-and-renewal-dates))
Renewal	Valid 4 years from date of issuance; renewal fee $160; no continuing education required. Fees/Renewal and DSPS HVAC Contractor. ([dsps.wi.gov](https://dsps.wi.gov/credentialing/credential-fees-and-renewal-dates))
Experience	No experience required for HVAC Contractor registration. If you employ or are an HVAC Qualifier, exam eligibility requires 4 years at 1,000 hours/year (or equivalent education). Form 3122 (HVAC Qualifier). ([dsps.wi.gov](https://dsps.wi.gov/Credentialing/Trades/fm3122.pdf?utm_source=openai))
Exam	No exam for HVAC Contractor. HVAC Qualifier exam required and administered at Pearson VUE test centers in WI. Trades exam info. ([dsps.wi.gov](https://dsps.wi.gov/credentialing/trades-exam-information-and-fee-schedule/?utm_source=openai))
Minimum age	No explicit minimum age stated for HVAC Contractor or HVAC Qualifier in SPS 305; applicants must meet Qualifier exam eligibility if seeking that credential. DSPS HVAC Qualifier. ([dsps.wi.gov](https://dsps.wi.gov/a-z-professions-list/hvac-qualifier/licensure-by-examination/?utm_source=openai))
Insurance/bond	No state insurance or bond requirement for HVAC Contractor registration noted in SPS 305.70; local permits and any separate business requirements still apply. SPS 305.70. ([dsps.wi.gov](https://dsps.wi.gov/Documents/BoardCouncils/CSC/20250923CSCFullPacket.pdf?utm_source=openai))
Key statutes/rules	SPS 305.70 (HVAC Contractor registration) and SPS 305.71 (HVAC Qualifier). Code excerpts. ([dsps.wi.gov](https://dsps.wi.gov/Documents/BoardCouncils/CSC/20250923CSCFullPacket.pdf?utm_source=openai))

How to get a HVAC contractor license in Wisconsin

1. Confirm your business structure and DSPS account — Set up an organization account in the LicensE portal for your company; HVAC Contractor is an organization credential. DSPS HVAC Contractor. ([dsps.wi.gov](https://dsps.wi.gov/a-z-professions-list/hvac-contractor))
2. Decide on HVAC Qualifier coverage — Many firms employ an HVAC Qualifier to meet municipal expectations and streamline permitting; a company using a certified Qualifier is deemed a “certified HVAC business” per Wis. Stat. 101.178(3)(c). Form 3122. ([dsps.wi.gov](https://dsps.wi.gov/Credentialing/Trades/fm3122.pdf?utm_source=openai))
3. Apply for HVAC Contractor registration — Log into LicensE, select New Licensure for HVAC Contractor, complete the application, upload required documents, and pay the $160 initial fee. Fee schedule. ([dsps.wi.gov](https://dsps.wi.gov/credentialing/credential-fees-and-renewal-dates))
4. (Optional) Qualify an owner/employee — If pursuing the HVAC Qualifier, document 4 years of experience (1,000 hrs/year) or qualifying education, submit via LicensE, then test at Pearson VUE. Form 3122; Exam info. ([dsps.wi.gov](https://dsps.wi.gov/Credentialing/Trades/fm3122.pdf?utm_source=openai))
5. Comply with SPS 305.70 and local permitting — Registration is required to install or service HVAC; secure local permits before work. SPS 305.70. ([dsps.wi.gov](https://dsps.wi.gov/Documents/BoardCouncils/CSC/20250923CSCFullPacket.pdf?utm_source=openai))
6. Renew every 4 years — DSPS emails renewal about 4 weeks before expiration; renew in LicensE. No CE for HVAC Contractor; renewal fee is $160. DSPS HVAC Contractor; Fees/Renewals. ([dsps.wi.gov](https://dsps.wi.gov/a-z-professions-list/hvac-contractor))

Wisconsin HVAC contractor license: who needs it and when

With limited exceptions, no person, entity, or business may install or service HVAC equipment in Wisconsin without holding an HVAC Contractor registration. Exceptions include work on one’s own dwelling or one’s own facilities. Always check local permit requirements before work. SPS 305.70(1). ([dsps.wi.gov](https://dsps.wi.gov/Documents/BoardCouncils/CSC/20250923CSCFullPacket.pdf?utm_source=openai))

HVAC Qualifier in Wisconsin: experience, exam, and why it matters

While the HVAC Contractor registration itself has no exam, many municipalities expect a firm’s work to be overseen by an HVAC Qualifier. Exam eligibility requires 4 years at 1,000 hours/year of experience (or 4 years of related education), and passing the DSPS exam delivered at Pearson VUE centers. Form 3122; Trades exam info. ([dsps.wi.gov](https://dsps.wi.gov/Credentialing/Trades/fm3122.pdf?utm_source=openai))

Employing a certified HVAC Qualifier deems your company a “certified HVAC business,” and municipalities may not require an additional local HVAC business license when you have one, per Wis. Stat. 101.178(3)(c). DSPS Form 3122 note. ([dsps.wi.gov](https://dsps.wi.gov/Credentialing/Trades/fm3122.pdf?utm_source=openai))

Fees, renewals, and timing

The HVAC Contractor credential costs $160 initially and $160 to renew every 4 years from date of issuance; there is no continuing education requirement. Reinstatement after lapse can trigger a $200 fee. All payments and renewals are completed in LicensE. DSPS fee and renewal table; profession page. ([dsps.wi.gov](https://dsps.wi.gov/credentialing/credential-fees-and-renewal-dates))

Documents and forms for a Wisconsin HVAC contractor license

Apply entirely online—DSPS no longer uses paper applications for this credential. Create an organization account and submit your materials and fee in LicensE. If adding a Qualifier, use the HVAC Qualifier application pathway and provide the experience/education documentation noted in Form 3122. LicensE info; Form 3122. ([dsps.wi.gov](https://dsps.wi.gov/a-z-professions-list/hvac-contractor))

Compliance tips for Wisconsin HVAC businesses

• Confirm whether projects require stamped HVAC plans and permits before installation. DSPS HVAC Contractor memo. ([dsps.wi.gov](https://dsps.wi.gov/a-z-programs-list/gas-systems/references/hvac-contractor-memo/?utm_source=openai))
• No state insurance/bond is listed for HVAC Contractor registration, but separate credentials (e.g., Dwelling Contractor) do carry insurance rules—verify what you actually need for your scope. SPS 305 references. ([dsps.wi.gov](https://dsps.wi.gov/Documents/BoardCouncils/CSC/20250923CSCFullPacket.pdf?utm_source=openai))
• Refrigeration contractors serving HVAC equipment must hold the Wisconsin HVAC Contractor registration. DSPS refrigeration FAQ. ([dsps.wi.gov](https://dsps.wi.gov/a-z-programs-list/mechanical-refrigeration-systems/references/refrigeration-credentials-faq/?utm_source=openai))

For a detailed breakdown of application and renewal dollars, see our guide to the Wisconsin HVAC contractor license cost. If you’re broadening into other regulated trades, compare processes using our guides to the Wisconsin pest control license or the Wisconsin private investigator license.

Frequently Asked Questions

Is there an exam to get a Wisconsin HVAC Contractor license?

No. The HVAC Contractor credential (business registration) has no exam. The individual HVAC Qualifier credential does require passing a DSPS exam at Pearson VUE after meeting experience/education criteria. Exam info; Form 3122. ([dsps.wi.gov](https://dsps.wi.gov/credentialing/trades-exam-information-and-fee-schedule/?utm_source=openai))

How much does a Wisconsin HVAC Contractor license cost and how long is it valid?

The initial fee is $160 and the renewal fee is $160. The credential is valid for 4 years from the date of issuance, and there is no continuing education requirement. DSPS fee/renewal table; profession page. ([dsps.wi.gov](https://dsps.wi.gov/credentialing/credential-fees-and-renewal-dates))

Do I need an HVAC Qualifier to operate as an HVAC Contractor?

State registration does not require a Qualifier, but companies that utilize a certified HVAC Qualifier are deemed a “certified HVAC business,” which can prevent additional local licensing and helps with permitting. Many firms therefore employ or designate a Qualifier. Form 3122 note (101.178(3)(c)). ([dsps.wi.gov](https://dsps.wi.gov/Credentialing/Trades/fm3122.pdf?utm_source=openai))

Are insurance or bonds required for Wisconsin HVAC Contractor registration?

No specific state insurance or bond requirement is listed for the HVAC Contractor credential in SPS 305.70. Separate credentials (e.g., Dwelling Contractor) have their own requirements; verify based on your scope and municipality. SPS 305.70. ([dsps.wi.gov](https://dsps.wi.gov/Documents/BoardCouncils/CSC/20250923CSCFullPacket.pdf?utm_source=openai))

What permits or code books should I expect to work with?

You must secure local permits before installation and follow Wisconsin Commercial Building Code/UDC as applicable. DSPS provides guidance memos and code references for HVAC projects. DSPS HVAC Contractor memo. ([dsps.wi.gov](https://dsps.wi.gov/a-z-programs-list/gas-systems/references/hvac-contractor-memo/?utm_source=openai))

Where do I apply and renew?

Apply and renew online in the DSPS LicensE portal. DSPS typically emails renewal instructions ~4 weeks before expiration. HVAC Contractor page. ([dsps.wi.gov](https://dsps.wi.gov/a-z-professions-list/hvac-contractor))

Ready to move from research to results? License Navigator can walk you through DSPS LicensE, help document Qualifier eligibility, and keep renewal dates and fees straight—so you can focus on jobs, not paperwork.