Ohio HVAC license lookup: how to check and get a license
Ohio HVAC license lookup: who issues HVAC contractor licenses (Ohio Construction Industry Licensing Board (Ohio Department of Commerce) for commercial work; residential work regulated locally (city/county building or health departments)), how to check one online, the license types, and 2,967 plumbing, heating and air-conditioning contractors by county.
Do HVAC contractors need a license in Ohio?
| Who licenses them | Ohio Construction Industry Licensing Board (Ohio Department of Commerce) for commercial work; residential work regulated locally (city/county building or health departments) |
|---|---|
| License types | Heating, Ventilating and Air Conditioning (HVAC) Contractor |
| When a license is required | State license required for commercial work; residential set locally |
OCILB issues state contractor licenses (commonly called Master licenses) for commercial work only; residential contractor regulation is left to local building and health departments, which may require the state license at their discretion. Ask your city or county what it requires and confirm permits. Refrigerant work requires federal EPA Section 608 certification.
How do you look up an HVAC contractor's license in Ohio?
- Ask the HVAC contractor for the license number and the exact business name on the license.
- Open the Ohio HVAC license lookup run by Ohio Construction Industry Licensing Board (Ohio Department of Commerce) for commercial work; residential work regulated locally (city/county building or health departments).
- Search by license number first. A name search can return several people or companies with similar names.
- Check that the status is active or current, that the license type covers your job, and that the name matches the company on your contract.
- If something doesn't match, ask the HVAC contractor about it before you sign or pay a deposit, or contact Ohio Construction Industry Licensing Board (Ohio Department of Commerce) for commercial work; residential work regulated locally (city/county building or health departments).
What HVAC licenses does Ohio issue?
- Heating, Ventilating and Air Conditioning (HVAC) Contractor
How do you get a HVAC license in Ohio?
Licenses are issued by the Ohio Construction Industry Licensing Board (Ohio Department of Commerce) for commercial work; residential work regulated locally (city/county building or health departments). Requirements such as experience, exams, insurance and fees change, so read the current rules on the official Ohio Construction Industry Licensing Board (Ohio Department of Commerce) for commercial work; residential work regulated locally (city/county building or health departments) source before you apply. Already licensed? List your business on Expert Helper to get matched with customers.
How many HVAC contractors are there in Ohio?
The Census Bureau counted 2,967 plumbing, heating and air-conditioning contractors with employees in Ohio in 2023. The counties with the most:
| Cuyahoga County | 312 |
|---|---|
| Franklin County | 240 |
| Hamilton County | 220 |
| Montgomery County | 140 |
| Summit County | 129 |
| Stark County | 99 |
| Lucas County | 99 |
| Butler County | 90 |
What do Ohio homes mean for heating and cooling work?
The median home in Ohio was built in 1970, 33% of households rent and 74% of homes are single-family houses. 64% of homes heat with utility gas and 26% with electricity, and 2% with fuel oil.
How do you choose an HVAC contractor in Ohio?
- Check the state or local mechanical or HVAC license, and ask whether the technicians hold EPA 608 certification for refrigerant work.
- For a new system, ask for a load calculation (often called Manual J) rather than a size picked from square footage.
- Ask which rebates and tax credits apply to heat pumps and high-efficiency equipment, and whether the contractor files the paperwork.
- Compare quotes on the same equipment model numbers and efficiency ratings (SEER2, HSPF2, AFUE).
- Ask what the labor warranty covers, separately from the manufacturer's parts warranty.
HVAC Contractors in other states
Sources: Ohio licensing agency (linked above); US Census Bureau County Business Patterns 2023 and ACS 2023 5-year estimates.