Oregon Limited Maintenance Specialty HVAC/R (LHR) Contractor License

The Limited Maintenance Specialty HVAC/R (LHR) Contractor License allows you to do the following work:

Service commercial and industrial electrical products using fuel or other forms of energy to produce:
- Heat
- Power
- Refrigeration
- Air conditioning
Equipment on the load side of the disconnect switch located on the electrical product
Make electrical modifications or electrical installations of the size approved by the equipment's manufacturer
100 volt-ampere or less thermostat or associated control wiring, including one- and two-family dwellings if employing a:

How to Get the Limited Maintenance Specialty HVAC/R (LHR) Contractor’s License in Oregon?

Fill out the Limited Maintenance Specialty HVAC/R (LHR) License Application Form
Provide the company’s Construction Contractors Board number and expiration date:
- According to OAR 918-030-0015, businesses registered with the Building Codes Division (BCD) and applying for a business license must show an active license with the Construction Contractors Board (CCB)
- If the business/company is exempt from CCB licensure, the applicant must attach a letter with the application packet explaining the reason for the exemption
Register the company’s name with Oregon’s Secretary of State
Designate a Signing Supervisor:
- Refer to BCD’s chart for more information on the options for designating a Signing Supervisor for each license
- If the business’ designated signing supervisor is a Qualified Person (QP), verify QP’s experience for business licenses
Submit a list of the business's employees
Submit a complete packet including all the previous documents by mail or fax (do not email the application packet) to:
Oregon Building Codes Division
P.O. Box 14470
Salem, OR 97309-0404
Fax: 503-378-2322