Arkansas to Ohio: master HVAC technician license reciprocity
Ohio has no reciprocity agreement with Arkansas. Your Arkansas experience counts toward eligibility, but you must pass the Ohio exam.
Reference only, not legal advice. Rules change; confirm with the licensing board before you apply. Full disclaimer.
Out-of-state HVAC or mechanical contractor licensee without a reciprocity agreement (examination route)
Nothing is waived, but your documented out-of-state hours count toward eligibility to sit the exam.
An HVAC, mechanical or refrigeration contractor licensed in a state without an OCILB reciprocity agreement must take the Ohio examination. R.C. 4740.06(C) and OCILB's Licensed Out-of-State Contractor Application let the out-of-state license stand in for the usual five years of Ohio tax and permit documentation: the applicant instead shows the license has been active for at least five years (letter of good standing), at least five building authorizations issued under it, one tax return reflecting income under the license (plus a W-2 if not the owner), and that their employer is registered in Ohio as a foreign corporation or LLC with a designated agent. After board approval (valid one year) the applicant completes BCI and FBI background checks, then passes both sections of the PSI exam (HVAC or Refrigeration trade section and Business & Law). The license is issued on submission of the results, a $25 fee and a $500,000 certificate of liability insurance, and must be assigned to a contracting company; HVAC and Refrigeration are separate licenses with separate applications and fees. OCILB describes no case-by-case endorsement that waives the exam outside a written reciprocity agreement. EPA Section 608 certification is a federal prerequisite for refrigerant work and is not verified by OCILB.
PSI charges a $69 nonrefundable examination fee per registration, for a first attempt or a retake. R.C. 4740.06(F) requires the board to authorize the license within 90 days of the application when the applicant qualifies and passes the exam.
At a glance
- Trade exam
- Required
- Law / code exam
- Required
- Out-of-state hours
- Count toward eligibility
What you must already have
- You must have held your Arkansas license for at least 5 years.Proof the substantially similar out-of-state license has been active at least five years (letter of good standing); otherwise the standard five years as a tradesperson applies.
- At least five authorizations for construction, erection, equipment, alteration or addition of a building issued under the out-of-state license, and at least one tax return reflecting income earned under it (R.C. 4740.06(C))
- Employer contracting company licensed as a foreign corporation (R.C. 1703.04) or registered as a foreign LLC (R.C. 1706.511) in Ohio with a designated agent
- You must have no disciplinary action or unresolved complaints on your record.
What you'll do to get licensed in Ohio
- 1Application fee. Pay the application fee ($25). OCILB Out-of-State Examination Application fee per trade (HVAC or Refrigeration), payable to Treasurer, State of Ohio.
- 2Background check. Complete a background check. BCI and FBI background checks after board approval and before sitting for the exam (approval valid one year).
- 3Trade exam. Pass the destination's trade exam. Ohio HVAC Contractor (or Refrigeration Contractor) examination, trade section, administered by PSI (computer-based).
- 4Law / code exam. Pass a law, rules, or code exam. Ohio Business and Law examination section, administered by PSI.
- 5Exam fee. Pay the exam fee ($69). PSI examination fee per registration, first attempt or retake, nonrefundable.
- 6License fee. Pay the license or certificate fee ($25). License issuance fee per trade submitted with the exam results, payable to Treasurer, State of Ohio.
- 7Insurance. Carry the required insurance ($500,000). Certificate of contractor liability insurance of at least $500,000 in one contracting company name, certificate holder OCILB.
- 8Other. Assignment of the license and insurance to a contracting company as defined in R.C. 4740.01(C).
- 9Other. Hold EPA Section 608 technician certification to handle refrigerant; federal law requires it, but it is not a condition of this state license (if applicable).
Published fees on this path total $119, excluding exam-vendor fees, bonds, and insurance.
What you'll need to buy or arrange
Exam preparation
Most boards contract PSI, Prov, or ICC for exams. Check which code edition the exam is written to before buying a prep course.
- Trade exam
- Law / code exam
- Exam fee · $69
- Other · if applicable
Liability insurance
Some states require proof of general liability or workers' compensation coverage at licensing time.
- Insurance · $500,000
How Ohio licenses master HVAC technicians
Ohio master HVAC technician · “HVAC Contractor / Refrigeration Contractor (OCILB state license)”
Statewide license
Issued by Ohio Construction Industry Licensing Board (OCILB), Ohio Department of Commerce
Ohio has no license called 'master HVAC'; its top person-held HVAC credential is the statewide HVAC Contractor license (with a separate Refrigeration Contractor license for refrigeration work) issued by the Ohio Construction Industry Licensing Board (OCILB) to an individual who qualified by examination (R.C. 4740.01(A)), who then assigns it to a contracting company. Other states' reciprocity forms pair this license with their master HVAC or mechanical contractor licenses, so it is treated here as the master level. A new applicant must be 18, a citizen or legal alien, have five years as a tradesperson in the trade immediately before applying (or be an Ohio registered engineer with three years of construction business experience), pass BCI and FBI background checks, pass both sections of the PSI-administered examination (trade and Business & Law), carry $500,000 of contractor liability insurance in one company name, and pay a $25 application fee and $25 license fee per trade; licenses expire annually and renew with 8 hours of continuing education (24 for three-year renewals). OCILB's published reciprocity list covers HVAC licenses from Alabama, Kentucky, Louisiana, Mississippi, South Carolina, Tennessee and West Virginia (refrigeration from Alabama, Kentucky, Louisiana, Mississippi and Tennessee), with the Ohio Business and Law exam still required for Louisiana, Mississippi, South Carolina and Tennessee licensees. Federal EPA Section 608 certification is required of anyone handling refrigerants but is not part of the OCILB application.
Common questions
- Do I have to take the Ohio master HVAC technician exam if I'm licensed in Arkansas?
- Yes. Ohio requires the trade exam on this path, plus a law or code exam.
- How long do I need to have held my Arkansas license?
- At least 5 years before applying.
- What does it cost to get a Ohio master HVAC technician license from Arkansas?
- Published fees on this path total $119, not counting exam vendor fees or bonds.
- Do my Arkansas work hours count in Ohio?
- Yes. Documented out-of-state experience counts toward Ohio's eligibility requirements.
- Does it work the other way, from Ohio to Arkansas?
- Not necessarily. Reciprocity is directed. Going from Ohio to Arkansas, the mechanism is endorsement.
Sources
- EPA Section 608 Technician Certification Requirements · 40 CFR Part 82, Subpart F (Clean Air Act §608) · U.S. Environmental Protection Agency · Other · verified September 15, 2026
- OCILB - Contractors & Contracting Companies (five licensed trades, requirements, reciprocity list) · Ohio Department of Commerce, Division of Industrial Compliance · Agency Page · verified September 17, 2026
- OCILB Examination Application (form DIC 3524, PDF) · Ohio Construction Industry Licensing Board · Form · verified September 23, 2026
- OCILB - Testing Application (form DIC 3524) · Ohio Department of Commerce, Division of Industrial Compliance · Agency Page · verified September 15, 2026
- OCILB - Licensed Out-of-State Contractor Application (examination route for out-of-state licensees) · Ohio Department of Commerce, Division of Industrial Compliance · Agency Page · verified September 15, 2026
- OCILB Out-of-State Examination Application (PDF) · Ohio Construction Industry Licensing Board · Form · verified September 16, 2026
- Ohio Revised Code 4740.01 - Construction industry licensing board definitions · R.C. 4740.01 · Ohio Legislative Service Commission · Statute · verified September 17, 2026
- Ohio Revised Code 4740.06 - License application; qualifications for examination · R.C. 4740.06(B), (C), (E), (F), (G), (H) · Ohio Legislative Service Commission · Statute · verified September 23, 2026
- Ohio Revised Code 4740.08 - Reciprocity · R.C. 4740.08 · Ohio Legislative Service Commission · Statute · verified September 23, 2026
- PSI Candidate Information Bulletin - Ohio Construction Industry Licensing Board contractor examinations · PSI Services LLC for the Ohio Construction Industry Licensing Board · Form · verified September 23, 2026
Verified dates are when a person last opened each source and confirmed the facts above. Cite the board, not us.