Indiana HVAC License Requirements

Official classification: HVAC Contractor License · Issued by the Department of Business and Neighborhood Services, Contractor Licensing (Indianapolis/Marion County).

❄️ HVACIN ✔ Verified 2026-06-25

In Indiana, HVAC contractors must hold the HVAC Contractor License, issued by the Department of Business and Neighborhood Services, Contractor Licensing (Indianapolis/Marion County), 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 Indiana

Follow these steps to earn your HVAC Contractor License. Every figure is verified against the Department of Business and Neighborhood Services, Contractor Licensing (Indianapolis/Marion County); full detail for each step is further down the page.

Build the required experience. Minimum 5 years of work experience in HVAC trade, verified by employment documentation from current and former employers on original letterhead, or combination of education and practical work experience
Pass the Air Conditioning A License Exam and Air Conditioning B License Exam and Air Conditioning D License Exam exams. Providers, passing scores and fees are in the Exams section below.
Secure your surety bond. Indiana requires $5,000 required.
Line up insurance. You'll need liability insurance (Minimum $500,000 per occurrence for bodily injury and property damage, or $500,000 per occurrence combined coverage), and workers' compensation coverage.
Submit your application and fees. Apply through the Department of Business and Neighborhood Services, Contractor Licensing (Indianapolis/Marion County) — $247.00 (new business license); business license fees not assessed for sole proprietorships application fee, plus a Included license fee. Processing time: 10 business days minimum before Board meeting (Board meets 2nd Monday of each month); several weeks estimated for full processing.
Keep the license active. Renew every 2 years (expires December 31 of odd-numbered years).

License types

Air Conditioning A — Unrestricted; no limitations on system size or type
Air Conditioning B — Limited to systems up to 25 tons cooling or 500,000 BTUs heating; boiler pressures up to 15 psig steam and 30 psig water
Air Conditioning D — Limited to systems up to 5 tons cooling or 300,000 BTUs heating

Requirements at a glance

Experience required	Minimum 5 years of work experience in HVAC trade, verified by employment documentation from current and former employers on original letterhead, or combination of education and practical work experience
Application fee	$247.00 (new business license); business license fees not assessed for sole proprietorships
License fee	Included
Renewal fee	$247.00 per license holder; $247.00 for business renewal; every 2 years
Renewal period	Every 2 years (expires December 31 of odd-numbered years)
Continuing education	None required
Bond required	$5,000 required
Liability insurance	Minimum $500,000 per occurrence for bodily injury and property damage, or $500,000 per occurrence combined coverage
Property damage	$100,000 minimum for property damage per occurrence (if separate from liability)
Workers' comp	Required for employees; exemption certificate available for sole proprietors, partnerships, and LLCs without employees
Background check	None
Credit requirement	None
Reciprocity	No direct reciprocity statewide
Processing time	10 business days minimum before Board meeting (Board meets 2nd Monday of each month); several weeks estimated for full processing

Exams

Air Conditioning A License Exam	Provider: Prov Inc. · Passing: 70% · Fee: Not publicly disclosed
Air Conditioning B License Exam	Provider: Prov Inc. · Passing: 70% · Fee: Not publicly disclosed
Air Conditioning D License Exam	Provider: Prov Inc. · Passing: 70% · Fee: Not publicly disclosed

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

Local / municipal notes

Indiana has no state-level HVAC licensing. Each city and county sets its own requirements. This data represents Indianapolis/Marion County requirements only. Other Indiana municipalities may have different requirements. Board of Heating and Cooling Examiners meets 2nd Monday monthly at 1:30pm.

Frequently asked questions

How much does a Indiana hvac license cost?

Application: $247.00 (new business license); business license fees not assessed for sole proprietorships. License: Included. Renewal: $247.00 per license holder; $247.00 for business renewal; every 2 years.

Do hvacs in Indiana need a surety bond?

$5,000 required

What experience is required for a Indiana hvac license?

Minimum 5 years of work experience in HVAC trade, verified by employment documentation from current and former employers on original letterhead, or combination of education and practical work experience

Is insurance required for hvacs in Indiana?

Liability: Minimum $500,000 per occurrence for bodily injury and property damage, or $500,000 per occurrence combined coverage Workers' compensation: Required for employees; exemption certificate available for sole proprietors, partnerships, and LLCs without employees

How often must a Indiana hvac license be renewed?

Every 2 years (expires December 31 of odd-numbered years).

Fees and rules change frequently (often annually). This page was last verified on 2026-06-25 — always confirm current requirements directly with the Department of Business and Neighborhood Services, Contractor Licensing (Indianapolis/Marion County) before applying. This is not legal advice.