Quick Reference Table
Item | Details |
|---|---|
License Types | Apprentice, Journeyman, Contractor, Specialty Apprentice, Specialty Journeyman, Specialty Contractor, Limited Heating Specialty Apprentice, Limited Heating Specialty Journeyman, Limited Heating Specialty Contractor |
Regulating Agency | Idaho Division of Occupational and Professional Licenses (DOPL), HVAC Board (official site) |
Required Experience | Contractor: 2+ years as licensed journeyman; Journeyman: apprenticeship experience (see Application Requirements) |
Exam Required | Yes (Journeyman and Contractor); proctored by PSI; open-book format |
Exam Fee | $75 per attempt (as of 2026, verify at HVAC Board Fee Table) |
Renewal Term | Contractor & Journeyman: 3 years; Apprentice: 1 year; Specialty Apprentice: 2 years |
Continuing Education (CE) | None required for any license level (as of 2026) |
Application & Renewal Fees | Apprentice: $10; Journeyman: $150 (renewal $75); Contractor: $225 (renewal $150); specialty and limited heating classes match these patterns (as of 2026, verify at HVAC Board Fee Table) |
Official Forms/Applications | Apply and renew at eDOPL portal |
Permit/Inspection Fees | Permit: from $100 plus per-fixture/duct/appliance fees; see fee schedule |
Reciprocity | No reciprocal or endorsement agreements |
Board Statutes/Rules | |
Exam Provider | PSI (schedule HVAC exam) |
Who Needs a License in Idaho?
In Idaho, any individual or business performing HVAC installation, repair, or service for compensation must comply with HVAC license requirements in Idaho. This mandate covers work of all types and cost levels; there is no minimum contract value or project size exemption.
This licensing law applies whether you are bidding on large commercial jobs or performing a small residential repair. All HVAC work, including service calls, alterations, or new installation projects, require an appropriate DOPL-issued license.
Employees working directly for a licensed Idaho HVAC contractor are exempt from licensure but must be properly registered (usually as apprentices) if working toward a journeyman or contractor credential. Subcontractors must hold their own appropriate license. A general contractor cannot lawfully self-perform HVAC work unless also licensed under the correct Idaho classification for HVAC.
There are limited exemptions. Specifically, homeowners may obtain a special homeowner HVAC permit for doing HVAC work on their own primary or secondary residence (plus residential outbuildings). This exemption does not extend to work on rental, commercial, or investment property and does not allow the homeowner to hire others or sub out the work; the homeowner must do the work personally. All such work still requires inspection and a DOPL-issued permit. See Idaho DOPL HVAC FAQs for details.
HVAC License Types
The HVAC license requirements in Idaho establish several classifications, each with specific eligibility and scope of work. The correct license depends on your role, experience, and business model. Most commonly, contractors must choose among the following:
HVAC Apprentice (registration): For those gaining supervised experience. Apprentices may perform HVAC tasks only under supervision and cannot contract independently.
HVAC Journeyman: Allows the holder to perform all HVAC work under the employment or supervision of a contractor. Journeymen may not contract jobs directly.
HVAC Contractor: Authorizes the holder to contract for HVAC work, pull permits, and supervise journeymen and apprentices. Contractor is the only license allowing bidding or supervising work under own business entity.
Specialty classifications (Apprentice, Journeyman, Contractor): Allow a narrower scope of HVAC work, such as gas piping, refrigeration, or hydronic systems. No official list of specialty scopes is provided in the .gov sources cited. Verify scope limits with the board by referencing the IDAPA 24.39.70 rules.
Limited Heating Specialty (Apprentice, Journeyman, Contractor): Single-purpose credential for limited heating system work, outside the scope of standard HVAC.
Most Idaho contractors pursue Apprentice, then Journeyman, and finally Contractor status as they accumulate experience and are able to meet increased legal and supervisory responsibilities. Specialty and Limited classifications are intended for those who exclusively perform a subset of HVAC work, such as hydronics or certain gas piping, but the board's rules should be reviewed for details on those categories. Only the Contractor or Limited Heating Specialty Contractor licenses allow direct bidding or overall supervision on jobs requiring permits.
How to Meet the HVAC License Requirements in Idaho
Step 1: Register as an Apprentice
Begin by completing and submitting the apprentice registration application, either online at eDOPL or by mail. Pay the required fee and start gaining supervised field experience. This phase is necessary to accrue the qualifications for journeyman status.
Step 2: Complete Apprenticeship Experience
Document your supervised work hours under a licensed supervisor. The exact hours required for journeyman eligibility are not specified in public .gov sources. If you plan to pursue a specialty or limited credential, verify any different experience requirements with the board before proceeding.
Step 3: Apply and Test for Journeyman
Once apprenticeship requirements are satisfied, submit a journeyman application with proof of qualifying experience and pay all required fees. Schedule your exam through PSI and pass the open-book, proctored test at a PSI center. Exam fee is $75 per attempt. Once you pass, finalize your application to receive your Idaho journeyman license.
Step 4: Gain Journeyman Experience
Contractor license applicants must provide proof of at least two years as a licensed Idaho HVAC journeyman. Prepare experience documentation as required by DOPL for this advancement.
Step 5: Apply and Test for Contractor License
Apply as a contractor by submitting proof of at least two years' journeyman experience, securing a $2,000 HVAC compliance bond, and paying contractor exam/application fees ($225 as of 2026). Schedule and pass the contractor exam via PSI. Upon passing and completing all requirements, DOPL will issue your three-year HVAC contractor license, allowing you to bid, contract, and supervise HVAC jobs in Idaho.
Other Considerations
Processing times are not posted. Apply early, especially before project deadlines. Both exam and license applications can be managed online, but mail options remain available. Always keep receipts and bonding documents for your records.
Application Requirements
Applicants seeking to meet HVAC license requirements in Idaho must provide information and documents as outlined by DOPL and board rules. The requirements vary slightly by license classification. Here’s what you need to know:
Experience and Age
To apply for a journeyman license, you must show proof of HVAC apprenticeship experience. DOPL requires documentation but does not specify years or types of records on public-facing .gov sources. Contractor license applicants must show at least two years (24 months) working as a licensed journeyman. There are no minimum age or citizenship criteria specified on available .gov pages. Applicants should confirm if age requirements are later added or clarified by the board (verify with the board).
Bond and Insurance
All HVAC contractor license applicants must secure a $2,000 Idaho HVAC compliance surety bond before application approval. Board rules do not specify any minimum general liability or workers compensation insurance requirement. The surety bond must remain active for the license term. Bonding companies require a credit/background check to issue the bond but charge a fee based on risk and company policies. The amount of the required bond is confirmed in the rules, but bond purchase cost is not regulated by DOPL, so contractors should shop rates independently.
Background Check and Federal Certifications
There is no fingerprinting, criminal background check, or federal certification (e.g., EPA 608) requirement in any Idaho HVAC board rules posted publicly. However, the board may later implement such requirements, so always consult the official FAQ page before every renewal or application. If an application is denied or more information is requested, DOPL will contact you directly.
Exams
Passing the state board exam(s) is an essential part of the HVAC license requirements in Idaho process for journeyman and contractor applicants. The exams are administered by the state via PSI testing centers, using the following procedures and details:
Exam Names: Officially referred to as the "Journeyman HVAC Exam" and "Contractor HVAC Exam." Both are required for their respective license classes.
Content and Format: Both exams are open-book and proctored at PSI test centers. The contractor exam provides a four-hour testing window; question count and passing scores are not published on .gov sources. Study manuals are recommended and may be referenced during the exam.
Exam Provider: PSI is the state-approved provider. All exam scheduling is completed online via the PSI HVAC exam portal. Candidates can also schedule by phone.
Exam Fee: $75 per attempt, as posted on the Idaho board fee schedule (as of 2026). Confirm current fees at the official fee table.
Retake Policy, Waiting Period, and Passing Score: These are not published or specified by the board or exam provider. Contractors should contact the board or PSI directly with detailed questions on retakes and scoring criteria.
Business and law content may be included on the contractor exam, as the board publishes a business/law reference manual. All test-takers should review the board’s candidate information bulletin if provided by PSI. The format, question types, and reference materials allowed may vary over time.
Fees
There are defined board-approved, state-regulated fees for every stage of the HVAC license requirements in Idaho. All fees listed are as found on the state HVAC Board's fee schedule (as of 2026). If you do not see a fee listed, check the board site for updates or clarifications at the time you apply.
Apprentice: Application $10, license $10, annual renewal $10, reinstatement $10 (1-year license)
Journeyman: Application $150, renewal $75, reinstatement $150 (3-year license)
Contractor: Application $225, renewal $150, reinstatement $225 (3-year license)
Specialty Apprentice: Application $20, renewal $20, reinstatement $20 (2-year license)
Specialty Journeyman: Application $150, renewal $75, reinstatement $150 (3-year license)
Specialty Contractor: Application $225, renewal $150, reinstatement $225 (3-year license)
Limited Heating Specialty Apprentice: Application $20, renewal $20, reinstatement $20 (2-year license)
Limited Heating Specialty Journeyman: Application $150, renewal $75, reinstatement $150 (3-year license)
Limited Heating Specialty Contractor: Application $225, renewal $150, reinstatement $225 (3-year license)
Exam Fee (Journeyman or Contractor): $75 per exam (as of 2026, verify at board fee table)
Permit/Inspection Fees: Permit fees begin at $100 plus: $30 for the first appliance, $15 for each extra; $15 for first duct, $5 per extra duct, $5 per appliance outlet gas piping, $5 per hydronic zone; commercial fees based on total cost (e.g. up to $10,000: 2% plus $60). All as per March 2023 schedule in IDAPA rules.
Bond Fee: Board requires a $2,000 surety bond; price for the bond varies by provider and is not set by DOPL. Check with your chosen surety company for bond premium quotes.
Other Fees: No background check fee, administrative, or fingerprinting fee is listed, nor are they required as of 2026.
For the complete, most current fee details, always consult the HVAC Board Fee Table.
Renewal and Continuing Education for HVAC License Requirements in Idaho
License Terms and Deadlines
Contractor and journeyman licenses are each valid for three years. Apprentice registrations are valid for one year, and specialty apprentice licenses for two years. It is the licensee's responsibility to renew before the stated expiration date to avoid lapse or suspension.
No late renewal penalty details or grace period timelines are listed on the .gov resources. Instead, if your license lapses, you may apply for reinstatement by paying the reinstatement fee, which is set equal to the original application fee. This implies reinstatement is allowed without mandatory re-examination unless otherwise noticed by the board for longer lapses or disciplinary actions.
Continuing Education (CE)
No continuing education hours or board-approved refresher courses are required for any HVAC license renewal in Idaho as of 2026. The board's official FAQ reaffirms this policy. However, best practices and building code updates may evolve, so licensees should monitor the board's site and their own professional development. A lack of CE requirement does not exempt Idaho contractors from complying with all adopted codes and standards inspections.
Reciprocity
There are no formal license reciprocity, endorsement, or mutual recognition agreements for HVAC licensing between Idaho and other states. Every applicant must meet the HVAC license requirements in Idaho in full, without substitution or credit for out-of-state licenses or experience.
This applies both to individual and business entity applicants. Out-of-state contractors must start with Idaho apprentice or journeyman registration, pass the state exam, and proceed through the full application process as described above. If you were previously licensed in another state, you may use that experience to help document your eligibility, but you must test and apply as a new, first-time Idaho licensee.
Check the DOPL HVAC FAQ page for future changes or pilot programs in reciprocity.
Official Links
HVAC Board Home: Idaho DOPL HVAC Board Homepage
Apply/Renew: eDOPL Licensing Portal
Exam Scheduling: PSI HVAC Exam Portal
Board Rules and Statutes: IDAPA 24.39.70 HVAC Rules PDF
Fee Schedule and Application Links: HVAC Board Fee Table & App Information
Board FAQs: DOPL HVAC License FAQs
