Idaho HVAC License Requirements

Official classification: HVAC Contractor · Issued by the Division of Occupational and Professional Licenses.

❄️ HVACID ✔ Verified 2026-07-11

In Idaho, HVAC contractors must hold the HVAC Contractor, issued by the Division of Occupational and Professional Licenses, and a $2,000 surety bond is required. Full requirements — experience, exams, fees, insurance, renewal and reciprocity — are detailed below.

How to become a licensed HVAC contractor in Idaho

Follow these steps to earn your HVAC Contractor. Every figure is verified against the Division of Occupational and Professional Licenses; full detail for each step is further down the page.

  1. Build the required experience. Contractor: 24 months as licensed HVAC journeyman, then pass contractor exam. Journeyman: either 8,000 hours supervised work + 576 hours approved classroom instruction, OR 16,000 hours supervised work
  2. Pass the HVAC Journeyman Exam and HVAC Contractor Exam exams. Providers, passing scores and fees are in the Exams section below.
  3. Secure your surety bond. Idaho requires $2,000 compliance bond required.
  4. Line up insurance. You'll need liability insurance ($300,000 minimum), and workers' compensation coverage.
  5. Clear the background check.
  6. Meet the credit / financial requirement.
  7. Submit your application and fees. Apply through the Division of Occupational and Professional Licenses — $35 application fee, plus a $225 license fee. Processing time: —.
  8. Keep the license active. Renew transitioning from 1-year to 2-year renewals, phased from October 14, 2025 (new licenses issued for at least 2 years).

Idaho HVAC contractor license lookup

To confirm an HVAC contractor is properly licensed in Idaho — 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 dopl.idaho.gov database →

License types

Requirements at a glance

Experience requiredContractor: 24 months as licensed HVAC journeyman, then pass contractor exam. Journeyman: either 8,000 hours supervised work + 576 hours approved classroom instruction, OR 16,000 hours supervised work
Application fee$35
License fee$225
Renewal fee$150
Renewal periodTransitioning from 1-year to 2-year renewals, phased from October 14, 2025 (new licenses issued for at least 2 years)
Continuing educationNone required for journeyman and contractor licenses. Apprentices must show proof of 1 year apprenticeship school enrollment or complete 8 hours continuing education to renew
Bond required$2,000 compliance bond required
Liability insurance$300,000 minimum
Property damage
Workers' compRequired if contractor has employees
Background check
Credit requirement
ReciprocityNone
Processing time

Exams

HVAC Journeyman ExamProvider: Pearson VUE · Passing: 70% · Fee: $100
HVAC Contractor ExamProvider: Pearson VUE · Passing: 70% · Fee: $100
Preparing for the HVAC exam? State-specific contractor exam-prep courses help you pass the first time. Start exam prep →

Frequently asked questions

How much does an Idaho hvac license cost?

Application: $35. License: $225. Renewal: $150.

How do I look up a hvac license in Idaho?

Search the official license database at dopl.idaho.gov. The record shows whether the license is active and in good standing.

Do hvacs in Idaho need a surety bond?

$2,000 compliance bond required

What experience is required for an Idaho hvac license?

Contractor: 24 months as licensed HVAC journeyman, then pass contractor exam. Journeyman: either 8,000 hours supervised work + 576 hours approved classroom instruction, OR 16,000 hours supervised work

Is insurance required for hvacs in Idaho?

Liability: $300,000 minimum Workers' compensation: Required if contractor has employees

How often must an Idaho hvac license be renewed?

Transitioning from 1-year to 2-year renewals, phased from October 14, 2025 (new licenses issued for at least 2 years).

Fees and rules change frequently (often annually). This page was last verified on 2026-07-11 — always confirm current requirements directly with the Division of Occupational and Professional Licenses before applying. This is not legal advice.

Official sources

dopl.idaho.gov/hvac
dopl.idaho.gov/hvac/hvac-program-exams
dopl.idaho.gov/wp-content/uploads/2023/10/HVAC-Contractor-Application_Fillable.pdf
dopl.idaho.gov/license-search
rocketcert.com/construction/idaho/hvac-license

Other Idaho contractor licenses

⚡ Electrician
Journeyman Electrician
🔧 Plumber
Plumber License
🏗️ General Contractor
General Contractor Registration

HVAC licensing in other states

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-53 Refrigeration Contractor
Indiana
HVAC Contractor License
Iowa
HVAC-Refrigeration with Gas License
Kentucky
HVAC Contractor License
Louisiana
Mechanical Work (Statewide) classification
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