Indiana HVAC License Requirements (2026) | Municipal + EPA 608 Guide

Indiana does not issue a statewide HVAC license. Heating, ventilation, air conditioning, and refrigeration contractors are licensed municipally, primarily through the Indianapolis Department of Business and Neighborhood Services (BNS) HVAC Contractor program. Fort Wayne, Evansville, and South Bend operate parallel local programs. Indiana cities follow Indianapolis BNS practice closely. Federal EPA Section 608 Technician Certification is required for any technician who handles refrigerants, regardless of city — that requirement is non-negotiable and applies nationwide. NATE certification and manufacturer credentials are voluntary but expected by most commercial customers.

Governing Authority

Indianapolis Department of Business and Neighborhood Services — City of Indianapolis / Marion County (BNS) administers and enforces this credential under the authority of Revised Code of the Consolidated City and County, Chapter 875 (Contractors) and Chapter 871 (Electrical). BNS issues municipal contractor, electrical, and HVAC licenses for Indianapolis and Marion County. Indiana has no state license for these trades, so BNS is the dominant licensing authority for Central Indiana.

Official portal: https://www.indy.gov/agency/department-of-business-and-neighborhood-services
Address: 1200 Madison Avenue, Suite 100, Indianapolis, IN 46225
Phone: (317) 327-8700

Eligibility Requirements

At a minimum the applicant has to be 18 years old and supply a valid Social Security Number. No Indiana residency requirement at the state level.

Good moral character

Indianapolis BNS conducts a fitness review on every applicant; felony convictions and prior license revocations are reviewed individually.

Background investigation

Mandatory criminal history disclosure on the Indianapolis BNS application.

Experience & Education Matrix

Eligibility requires two years of practical HVAC experience for the Indianapolis HVAC Contractor license; municipal practice varies, but two years is the most common standard across Indiana cities, documented and independently verifiable. Payroll, tax, project, and supervisor records are the usual proof the board will accept.

Accepted proof of experience or eligibility

Indianapolis BNS Experience Verification Form signed by each prior employer
W-2 statements, pay stubs, or 1099 records covering the qualifying period
EPA Section 608 Technician Certification card

Education substitution

Accredited HVACR trade school programs and approved apprenticeships (HVAC Excellence, ACCA, ABC) substitute for portions of the experience requirement under Indianapolis BNS practice.

Examination Structure

Indianapolis BNS HVAC Contractor: ICC-administered Indiana-specific business and law exam plus a mechanical trade exam. EPA 608 administered separately by EPA-approved organizations. runs the examination for this credential. Issuance is contingent on passing every part below:

Indianapolis HVAC Contractor — Business and Law (ICC) — 50 questions, 120 minutes, passing score 70%
Indianapolis HVAC Contractor — Mechanical Trade (ICC, IMC-based) — 80 questions, 240 minutes, passing score 70%
EPA Section 608 Technician Certification (Type I, II, III, or Universal) — 50 questions, 60 minutes, passing score 70%

Examination fee: $95 – $125 per ICC exam part. EPA 608 typically $20 – $150 depending on type and provider.

Retake policy: Failed ICC exam parts may be re-taken individually by paying a new fee. EPA 608 retakes follow the certifying organization rules.

Insurance & Financial Security

The BNS requires a $5,000 contractor license surety bond to be on file before the license will issue.

General liability

Indianapolis BNS requires $300,000 minimum general liability for HVAC Contractors. Most other Indiana cities require $300,000 minimum.

Workers' compensation

Workers' compensation insurance is mandatory in Indiana under IC 22-3 for any business with one or more employees.

Additional financial requirements

Indianapolis HVAC Contractor requires a $5,000 surety bond. No statewide net worth standard exists.

Application and License Fees

Fee	Amount
Application (non-refundable)	$200
Examination	$220
Initial license	$200
Renewal (every year)	$200

Maintenance & Renewal

Expect to renew the Indiana HVAC Contractor (Municipal — No State License) every year. Renewal currently costs $200. Indianapolis HVAC Contractor licenses renew annually. Other Indiana cities follow similar cycles.

Continuing education: Indianapolis BNS does not require continuing education for HVAC contractors. EPA 608 is lifetime and does not expire.

Downloadable Asset

2026 Indiana HVAC Contractor License Roadmap (PDF) — a printable step-by-step checklist for the application process.

Download the PDF roadmap →

Reciprocity and Endorsement

Indiana does not accept the NASCLA Accredited Examination for this classification.

Reciprocal State	Accepted Exam	Conditions
No formal bilateral reciprocity agreements identified.

Indiana has no statewide HVAC license and therefore no state-level reciprocity. Each Indiana city operates its own registration program. EPA Section 608 Technician Certification is the only credential that travels nationally.

Weighing more than one jurisdiction? The national hub compares HVAC Contractor license requirements in every state — exam, bond, fee, and experience thresholds side by side.

Step-by-Step Application Roadmap

Earn EPA Section 608 Technician Certification. Federally required for any technician who handles refrigerants. Choose Type I, II, III, or Universal based on the equipment you will service.
Document two years of HVAC experience. Indianapolis BNS requires two years of qualifying mechanical experience for the qualifying individual.
Pass the ICC business and law plus mechanical trade exams. Both parts must be passed at 70% before BNS will issue the HVAC Contractor license.
Post the surety bond and insurance. $5,000 bond and $300,000 general liability for Indianapolis HVAC Contractor.
Submit the Indianapolis BNS application. File with the qualifying individual designation, exam results, EPA 608 card, bond, insurance, and application fee.
Register in additional Indiana cities. Fort Wayne, Evansville, and South Bend each require separate municipal registration. There is no Indiana reciprocity.
Maintain EPA 608 and consider NATE. EPA 608 is lifetime; NATE certification is voluntary but expected by most commercial customers and increasingly required for warranty work.

Study and Reference Materials

The references below are either cited by the board, used during the application, or standard preparation for the trade. They are listed purely for convenience — CLR earns no commission on any of them.

International Mechanical Code (current Indiana-adopted edition) — International Code Council. Primary technical reference for the trade exam.
EPA Section 608 Study Guide — ESCO Institute / Mainstream Engineering. Standard preparation for the federal refrigerant certification exam.
Indianapolis Revised Code Chapter 875 — City of Indianapolis. Local mechanical contractor licensing law.

Common Filing Mistakes

Based on the board's own instructions and the sources cited here, the problems below are what most often stall a Indiana HVAC Contractor application.

Assuming Indiana has a state license

Indiana has no state HVAC license. Contractors arriving from neighboring states often miss this and end up working unlicensed in their first Indiana city.

Skipping EPA 608

EPA 608 is federally required for any technician who handles refrigerants. The EPA fines violators up to $44,539 per day per violation under the Clean Air Act.

Choosing the wrong EPA 608 type

A Type I-only technician cannot legally service residential split systems. Universal certification is the safest choice for general HVAC contracting.

Registering in only one Indiana city

Each Indiana city is a separate jurisdiction. An Indianapolis HVAC license does not cover Fort Wayne, Evansville, or South Bend.

Missing the workers compensation requirement

Indiana requires workers compensation for any business with one or more employees. The threshold is stricter than many neighboring states.

Pre-Submission Checklist

These are the pieces to lock down before filing with BNS:

☐ EPA Section 608 Technician Certification (Type I, II, III, or Universal)
☐ Indianapolis BNS HVAC Contractor application with $200 fee
☐ Two years of documented qualifying mechanical experience
☐ ICC business and law exam pass certificate at 70%+
☐ ICC mechanical trade exam pass certificate at 70%+
☐ $5,000 surety bond and $300,000 general liability certificate
☐ Workers compensation certificate for any employees

Other Indiana Trade Licenses

Should the HVAC Contractor path not apply, these other Indiana trade guides from CLR may help:

Frequently Asked Questions

Does Indiana have a state HVAC license?

No. Indiana is one of the few states without statewide HVAC licensing. Authority is granted municipally. Indianapolis BNS dominates Central Indiana practice.

Do I need EPA 608 in Indiana?

Yes. EPA Section 608 Technician Certification is federally required for any technician who handles refrigerants, regardless of state or city. It is non-negotiable and applies nationwide under the Clean Air Act.

What is the difference between EPA 608 Type I, II, III, and Universal?

Type I covers small appliances (under 5 lbs of refrigerant). Type II covers high-pressure appliances (residential/commercial split systems). Type III covers low-pressure appliances (chillers). Universal covers all three.

Does an Indianapolis HVAC license cover the rest of Indiana?

No. Each Indiana city is a separate jurisdiction. A contractor licensed in Indianapolis must register separately in Fort Wayne, Evansville, South Bend, or any other Indiana city where they perform work.

How often does the Indianapolis HVAC Contractor license renew?

Annually. Renewal requires payment of the renewal fee and proof of continued insurance and bond coverage.

Primary Sources

Regulatory requirements on this page are drawn from the official board, statute, and exam-provider materials listed below.

Verified 2026-04-17 · Next scheduled review 2026-07-16