- No license needed for independent contractors without employees. Montana law lists other exemptions in MCA 39-9-211.
- Renew online through the state citizen portal. Registrations that were converted to licenses kept their old expiration dates.
Do you need a state license in Montana?
Montana licenses some HVAC work at the state level and leaves the rest alone. Which side of that line a job falls on decides whether you need the state license.
No license needed for independent contractors without employees. Montana law lists other exemptions in MCA 39-9-211.
The Montana license for this work
There is one license to aim for here.
| License | What it covers |
|---|---|
| Construction Contractor License | Construction contractors who are not exempt, such as those with employees |
Steps to get licensed in Montana
- Check if you are exempt. Independent contractors with no employees do not need the license.
- If you have employees, make sure you comply with Montana workers comp laws, since the application needs proof.
- Apply online for the Construction Contractor License through the state citizen portal.
- Pay the $70 fee.
- Get EPA 608 certification for refrigerant work.
- Report ownership, name or officer changes to the department within 30 days.
Experience and other requirements
Experience. The official pages we read do not say. Check with the board (official site).
The license to apply for. Construction Contractor License (if you have employees).
Montana HVAC exams
Trade exam. The official pages we read do not say. Check with the board (official site).
Business and law exam. The official pages we read do not say. Check with the board (official site).
Separate from any state license, the EPA requires Section 608 certification for anyone who works on equipment with refrigerant. It is federal and applies in every state.
What it costs in Montana
The board lists one fee for this license. These are the state's own numbers. Insurance, any bond, exam prep and your business registration come on top.
| Fee | Amount |
|---|---|
| Construction contractor license application or renewal | $70 |
Insurance and bond
Insurance. The license application must include proof that you comply with Montana workers comp laws.
Bond. The official pages we read do not say. Check with the board (official site).
Renewal and licenses from other states
Renewal. Renew online through the state citizen portal. Registrations that were converted to licenses kept their old expiration dates.
Reciprocity. The official pages we read do not say. Check with the board (official site).
Good to know in Montana
- Montana also has a separate State Electrical Board and Board of Plumbers.
- EPA Section 608 certification is a federal requirement for anyone who handles refrigerant.
- Hiring a person for work they are not licensed to do counts as unprofessional conduct.
After you are licensed
The license lets you take the work. Getting the work is the next job.
- Register the business. If you work under a name other than your own, register it where your state asks (often the Secretary of State, sometimes the county), and keep the name the same on your license, your truck and your invoices.
- Claim your Google Business Profile. It is the listing people see when they search for HVAC repair near them. Fill in your service area, hours and real photos of your work.
- Put up a website that shows the license. Customers look for it before they call. Koira builds a contractor website for you and keeps it current.
- See where you stand. The free Koira report checks how your business shows up in search and on maps against shops near you.
Where this comes from
Every fact on this page comes from the Montana Department of Labor and Industry, Construction Contractor Licensing Program and the official pages below, checked October 8, 2026. Fees and rules change, so confirm with the board before you file.
More for your trade: how HVAC companies run on Koira.