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.

  1. 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
  2. Pass the exam for the license class you are applying for. Providers, passing scores and fees are in the Exams section below.
  3. Secure your surety bond. Indiana requires $5,000 required.
  4. Check the insurance rules. Liability: 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' compensation: Required for employees; exemption certificate available for sole proprietors, partnerships, and LLCs without employees.
  5. Submit your application and fees. Apply through the Department of Business and Neighborhood Services, Contractor Licensing (Indianapolis/Marion County) — Prorated by filing date within the 2-year term (City of Indianapolis): new business license $247 filed Jan–Jun of the even year, $185 Jul–Dec of the even year, $124 in the odd year. Business license fees are not assessed for sole proprietorships. application fee, plus a New license holder fee, prorated the same way: $377, $283 or $189 (City of Indianapolis) license fee. Processing time: 10 business days minimum before Board meeting (Board meets 2nd Monday of each month); several weeks estimated for full processing.
  6. Keep the license active. Renewal: Every 2 years (expires December 31 of odd-numbered years).

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

Indiana HVAC contractor license lookup

To confirm an HVAC contractor is properly licensed in Indiana — 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 aca-prod.accela.com database →

License types

Requirements at a glance

Experience requiredMinimum 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 feeProrated by filing date within the 2-year term (City of Indianapolis): new business license $247 filed Jan–Jun of the even year, $185 Jul–Dec of the even year, $124 in the odd year. Business license fees are not assessed for sole proprietorships.
License feeNew license holder fee, prorated the same way: $377, $283 or $189 (City of Indianapolis)
Renewal fee$247.00 per license holder; $247.00 for business renewal; every 2 years
Renewal periodEvery 2 years (expires December 31 of odd-numbered years)
Continuing educationNone required
Bond required$5,000 required
Liability insuranceMinimum $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' compRequired for employees; exemption certificate available for sole proprietors, partnerships, and LLCs without employees
Background checkNone
Credit requirementNone
ReciprocityNo statewide reciprocity (Indiana has no state HVAC license). City of Indianapolis: a holder of a license from another jurisdiction that required the appropriate Prometric or Prov exam may qualify for a reciprocal license through the Board of Heating and Cooling Examiners. · other states' agreements
Processing time10 business days minimum before Board meeting (Board meets 2nd Monday of each month); several weeks estimated for full processing

What an Indiana hvac license costs

Application feeProrated by filing date within the 2-year term (City of Indianapolis): new business license $247 filed Jan–Jun of the even year, $185 Jul–Dec of the even year, $124 in the odd year. Business license fees are not assessed for sole proprietorships.
License feeNew license holder fee, prorated the same way: $377, $283 or $189 (City of Indianapolis).
Air Conditioning A License ExamNot publicly disclosed.
Air Conditioning B License ExamNot publicly disclosed.
Air Conditioning D License ExamNot publicly disclosed.
Surety bond$5,000 required. A bond's premium is a percentage of the bond amount, set by the surety.
Renewal fee$247.00 per license holder; $247.00 for business renewal; every 2 years.
Renewal periodEvery 2 years (expires December 31 of odd-numbered years).

Exams

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

Renewing an Indiana HVAC contractor license

The HVAC Contractor License renews on a fixed cycle set by the Department of Business and Neighborhood Services, Contractor Licensing (Indianapolis/Marion County). Late and lapsed renewals are handled differently by every board, so check the renewal page linked below before the deadline passes.

Renewal periodEvery 2 years (expires December 31 of odd-numbered years)
Renewal fee$247.00 per license holder; $247.00 for business renewal; every 2 years
Continuing educationNone required
Where to renewDepartment of Business and Neighborhood Services, Contractor Licensing (Indianapolis/Marion County)

Renewal period: Every 2 years (expires December 31 of odd-numbered years). Your expiry date is printed on your license.

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 an Indiana hvac license cost?

Application: Prorated by filing date within the 2-year term (City of Indianapolis): new business license $247 filed Jan–Jun of the even year, $185 Jul–Dec of the even year, $124 in the odd year. Business license fees are not assessed for sole proprietorships. License: New license holder fee, prorated the same way: $377, $283 or $189 (City of Indianapolis). Renewal: $247.00 per license holder; $247.00 for business renewal; every 2 years.

How do I look up a hvac license in Indiana?

Search the official license database at aca-prod.accela.com. The record shows whether the license is active and in good standing.

Do hvacs in Indiana need a surety bond?

$5,000 required

What experience is required for an 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. Property damage: $100,000 minimum for property damage per occurrence (if separate from liability). Workers' compensation: Required for employees; exemption certificate available for sole proprietors, partnerships, and LLCs without employees.

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

Processing time: 10 business days minimum before Board meeting (Board meets 2nd Monday of each month); several weeks estimated for full processing.

How often must an Indiana hvac license be renewed?

Every 2 years (expires December 31 of odd-numbered years). Continuing education: None required.

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.

Official sources

us-east-1-indy.graphassets.com/ActDBC5rvRWeCZlNNnLrDz/cmngejlkx0peg07ljq0zsuzlm
indy.gov/activity/contractor-licenses
servicetitan.com/licensing/hvac/indiana
hvaccertification.org/hvac-license-indiana
hvaclicense.com/indianapolis-hvacr-license-requirements
housecallpro.com/hvac/licensing/indiana
uslicenses.com/indiana-hvac-license
us-east-1-indy.graphassets.com/ActDBC5rvRWeCZlNNnLrDz/cmg9so0q30ajx07jxcx9ut254
budgetheating.com/blog/indiana-hvac-regulatory-oversight-complete-guide
contractorlicenserequirements.com/indiana/hvac-license-requirements

⚡ Electrician
No statewide license — City of Indianapolis Electrical Contractor License
🔧 Plumber
Journeyman Plumber, Plumbing Contractor
🏗️ General Contractor
No statewide license — City of Indianapolis General Contractor License
🏠 Roofer
No statewide license — City of Indianapolis General Contractor License (covers roofing)
Alabama
Heating, Air Conditioning & Refrigeration Contractor Certification
Arizona
CR-39 / C-39 / R-39R Air Conditioning and Refrigeration
Arkansas
HVAC-R Contractor License
California
C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
Connecticut
Unlimited Heating, Piping, and Cooling Contractor (S-1) / Unlimited Heating, Piping, and Cooling Journeyperson (S-2)
Delaware
Master HVACR
Florida
Air Conditioning Contractor (Class A / Class B)
Georgia
Conditioned Air Contractor License (Class I or Class II)
Hawaii
C-52 Ventilating and Air Conditioning Contractor / C-40 Refrigeration Contractor
Idaho
HVAC Contractor
Iowa
HVAC-Refrigeration License (Journeyperson and Master Levels)
Kentucky
HVAC Contractor License
Louisiana
Mechanical classification (statewide, LSLBC)
Maryland
HVACR Master / Master Restricted / Limited Contractor / Journeyman License
Massachusetts
No single HVAC license — work is licensed as Sheet Metal Worker, Refrigeration Technician/Contractor, Pipefitter (Heating & Cooling), or Oil Burner Technician depending on the task
Michigan
Mechanical Contractor License — HVAC Equipment Classification
Minnesota
Mechanical Contractor Bond Filing (state level) + Local Competency Card (city level)
Mississippi
Commercial HVAC Contractor (Mechanical Work – HVAC specialty) / Residential HVAC Contractor
Missouri
No statewide HVAC/mechanical license — licensed at the city/county level
Nevada
C-21 Refrigeration and Air Conditioning Contractor
New Jersey
Master HVACR Contractor License
New Mexico
MM-3 Heating, Ventilation and Air Conditioning Contractor
New York
No statewide license — NYC Oil Burner Equipment Installer License
North Carolina
Heating Contractor — Group 1 / Group 2 / Group 3 (Class I / Class II)
Ohio
Commercial Contractor (HVAC)
Oklahoma
Mechanical License (HVAC/R)
Oregon
CCB Contractor License with a mechanical/HVAC specialty endorsement (Residential Specialty Contractor or Commercial Specialty Contractor)
South Carolina
Mechanical Contractor - Air Conditioning / Heating [commercial]; Residential Specialty Contractor - HVAC [residential]
Tennessee
Contractor License, CMC-C (HVAC, Refrigeration and Gas Piping) classification
Texas
Air Conditioning & Refrigeration Contractor License (Class A / Class B)
Utah
H100 HVAC Contractor (replacing the former S350 HVAC Contractor classification)
Virginia
Contractor License (Class A/B/C) with HVAC (HVA) specialty; plus individual HVAC Tradesman license (Journeyman/Master)
Washington
HVAC/R Specialty Contractor Registration + HVAC/Refrigeration Specialty Electrician Certificate (where electrical work is performed)
Wisconsin
HVAC Qualifier Certification + HVAC Contractor Registration