Iowa HVAC License Requirements

Official classification: HVAC-Refrigeration License (Journeyperson and Master Levels) · Issued by the Iowa Department of Inspections, Appeals, & Licensing (Plumbing and Mechanical Systems Board).

❄️ HVACIA ✔ Verified 2026-10-01

In Iowa, HVAC contractors must hold the HVAC-Refrigeration License (Journeyperson and Master Levels), issued by the Iowa Department of Inspections, Appeals, & Licensing (Plumbing and Mechanical Systems Board), and a $5,000 surety bond is required. Full requirements — experience, exams, fees, insurance, renewal and reciprocity — are detailed below.

How to become a licensed HVAC contractor in Iowa

Follow these steps to earn your HVAC-Refrigeration License (Journeyperson and Master Levels). Every figure is verified against the Iowa Department of Inspections, Appeals, & Licensing (Plumbing and Mechanical Systems Board); full detail for each step is further down the page.

Build the required experience. Journeyperson: At least 4 years (48 months) of practical experience in a U.S. Department of Labor-registered apprenticeship program (Iowa Code 105.18); the exam may be taken up to 6 months before the 48 months are complete. Master: Possession of a master license from another jurisdiction OR a valid Iowa journeyperson license with 2 or more years of work experience in the HVAC-refrigeration trade.
Pass the HVAC/Refrigeration Journeyperson Examination and HVAC/Refrigeration Master Examination exams. Providers, passing scores and fees are in the Exams section below.
Secure your surety bond. Iowa requires $5,000 surety bond required (must be issued by an entity licensed to do business in Iowa; surety must provide 10 days written notice to the board before cancellation).
Check the insurance rules. Liability: $500,000 general liability insurance minimum (issued by entity licensed to do business in Iowa). Workers' compensation: Workers compensation insurance required for applicants with employees.
Clear the background check. All convictions, felony or misdemeanor, must be disclosed with the complete criminal record and a statement on whether each directly relates to the profession; an applicant may first petition the board for an eligibility determination (481 IAC 429.12).
Submit your application and fees. Apply through the Iowa Department of Inspections, Appeals, & Licensing (Plumbing and Mechanical Systems Board) — $35 examination application fee (paid to the state, per IAC 481-428.1) application fee, plus a $180 (journeyperson) / $240 (master) for the 3-year term license fee. Processing time: Approximately 4 to 6 weeks to process licenses.
Keep the license active. Renewal: Every 3 years. Continuing education: 8 hours of classroom instruction per 3-year licensing term.

For the general path in every state, see the HVAC guide →

Iowa HVAC contractor license lookup

To confirm an HVAC contractor is properly licensed in Iowa — or to check the status of your own license — search the issuing agency's official license database. The record shows whether the license is active and in good standing.

Verify a license now: Search the official ia-plb.my.site.com database →

License types

Journeyperson — Install, repair, and maintain HVAC-refrigeration systems under direct supervision or independently as a journeyperson-level technician
Master — Design, plan, superintend, and manage HVAC-refrigeration installations, repairs, and maintenance; supervise journeyperson and apprentice work
Contractor License — A separate license for a business contracting HVAC-refrigeration work; the applicant must show a public liability insurance policy and a surety bond in amounts set by board rule (Iowa Code 105.18(2)(d), 105.19)

Requirements at a glance

Experience required	Journeyperson: At least 4 years (48 months) of practical experience in a U.S. Department of Labor-registered apprenticeship program (Iowa Code 105.18); the exam may be taken up to 6 months before the 48 months are complete. Master: Possession of a master license from another jurisdiction OR a valid Iowa journeyperson license with 2 or more years of work experience in the HVAC-refrigeration trade.
Application fee	$35 examination application fee (paid to the state, per IAC 481-428.1)
License fee	$180 (journeyperson) / $240 (master) for the 3-year term
Renewal fee	$180 (journeyperson) / $240 (master) per 3-year cycle
Renewal period	Every 3 years
Continuing education	8 hours of classroom instruction per 3-year licensing term
Bond required	$5,000 surety bond required (must be issued by an entity licensed to do business in Iowa; surety must provide 10 days written notice to the board before cancellation)
Liability insurance	$500,000 general liability insurance minimum (issued by entity licensed to do business in Iowa)
Property damage	—
Workers' comp	Workers compensation insurance required for applicants with employees
Background check	All convictions, felony or misdemeanor, must be disclosed with the complete criminal record and a statement on whether each directly relates to the profession; an applicant may first petition the board for an eligibility determination (481 IAC 429.12).
Credit requirement	None
Reciprocity	None · other states' agreements
Processing time	Approximately 4 to 6 weeks to process licenses

What an Iowa hvac license costs

Application fee	$35 examination application fee (paid to the state, per IAC 481-428.1).
License fee	$180 (journeyperson) / $240 (master) for the 3-year term.
HVAC/Refrigeration Journeyperson Examination	$35 board exam-application fee; vendor testing fee paid directly to the vendor.
HVAC/Refrigeration Master Examination	$35 board exam-application fee; vendor testing fee paid directly to the vendor.
Surety bond	$5,000 surety bond required (must be issued by an entity licensed to do business in Iowa; surety must provide 10 days written notice to the board before cancellation). A bond's premium is a percentage of the bond amount, set by the surety.
Renewal fee	$180 (journeyperson) / $240 (master) per 3-year cycle.
Renewal period	Every 3 years.

Exams

HVAC/Refrigeration Journeyperson Examination	Provider: Board-approved testing vendor · Passing: 75% · Fee: $35 board exam-application fee; vendor testing fee paid directly to the vendor
HVAC/Refrigeration Master Examination	Provider: Board-approved testing vendor · Passing: 75% · Fee: $35 board exam-application fee; vendor testing fee paid directly to the vendor

Renewing an Iowa HVAC contractor license

The HVAC-Refrigeration License (Journeyperson and Master Levels) renews on a fixed cycle set by the Iowa Department of Inspections, Appeals, & Licensing (Plumbing and Mechanical Systems Board). Finish the continuing-education requirement before you file — boards generally will not process a renewal without it. Late and lapsed renewals are handled differently by every board, so check the renewal page linked below before the deadline passes.

Renewal period	Every 3 years
Renewal fee	$180 (journeyperson) / $240 (master) per 3-year cycle
Continuing education	8 hours of classroom instruction per 3-year licensing term
Where to renew	Iowa Department of Inspections, Appeals, & Licensing (Plumbing and Mechanical Systems Board)

Local / municipal notes

Licensing is statewide under Iowa Department of Inspections, Appeals, & Licensing. Local jurisdictions may have additional permit and inspection requirements. Exam approval applications must be submitted before sitting for the examination. Open-book format for both journey and master exams. Paper applications incur an additional $25 fee (online submission available to avoid this fee).

Frequently asked questions

How much does an Iowa hvac license cost?

Application: $35 examination application fee (paid to the state, per IAC 481-428.1). License: $180 (journeyperson) / $240 (master) for the 3-year term. Renewal: $180 (journeyperson) / $240 (master) per 3-year cycle.

How do I look up a hvac license in Iowa?

Search the official license database at ia-plb.my.site.com. The record shows whether the license is active and in good standing.

Do hvacs in Iowa need a surety bond?

$5,000 surety bond required (must be issued by an entity licensed to do business in Iowa; surety must provide 10 days written notice to the board before cancellation)

What experience is required for an Iowa hvac license?

Journeyperson: At least 4 years (48 months) of practical experience in a U.S. Department of Labor-registered apprenticeship program (Iowa Code 105.18); the exam may be taken up to 6 months before the 48 months are complete. Master: Possession of a master license from another jurisdiction OR a valid Iowa journeyperson license with 2 or more years of work experience in the HVAC-refrigeration trade.

Is insurance required for hvacs in Iowa?

Liability: $500,000 general liability insurance minimum (issued by entity licensed to do business in Iowa). Workers' compensation: Workers compensation insurance required for applicants with employees.

How long does it take to get an Iowa hvac license?

Processing time: Approximately 4 to 6 weeks to process licenses.

Is a background check required for hvacs in Iowa?

Background check: All convictions, felony or misdemeanor, must be disclosed with the complete criminal record and a statement on whether each directly relates to the profession; an applicant may first petition the board for an eligibility determination (481 IAC 429.12).

How often must an Iowa hvac license be renewed?

Every 3 years. Continuing education: 8 hours of classroom instruction per 3-year licensing term.

Fees and rules change frequently (often annually). This page was last verified on 2026-10-01 — always confirm current requirements directly with the Iowa Department of Inspections, Appeals, & Licensing (Plumbing and Mechanical Systems Board) before applying. This is not legal advice.