Solar Heating & Cooling System Installer (STL) Last updated 11/05/2021

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License Fee Description Exemptions



License renewal is every three years on April 1.

Renewal Information

A renewal notice will be mailed to the licensee approximately six weeks prior to the expiration of their license. Continuing Education (if necessary) and fees will be explained on the renewal form. Renewal fees vary by license type.

Duplicate License Requirements

If you lost your license or have changed your address and would like a replacement license, submit form 2523 from Building Codes website, along with appropriate $10 fee.

Processing Time

Processing Time Description
1 Week Incomplete applications may cause delays.

Prerequisites and Requirements


Proof of completion of a division approved training program that includes 2,288 hours of classroom and on-the-job training.
Proof of 2,000 hours of lawful experience and training in the categories listed in 918-695-0125(2)(c)

Required Documentation

Completed application with applicable fee
Copy of high school diploma, GED or equivalent
Copy of apprenticeship completion (if required by license type)
Experience qualification documents (if required by license type)

Examination Information

Three-hour, 52 question open book. Upon approval, a list will be provided outlining approved exam material.

Continuing Education Requirements

Eight total required hours. For specific requirements go to

Bonding Requirements


Insurance Requirements


Additional Information

Other Information


Statutes, Administrative Rules, Ordinances

Other Detail Information

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