Apply for an Apprentice Refrigeration License

A Refrigeration Apprentice must be licensed with the OPSI, must hold a valid registration with the Division of Apprentice Standards, and must be employed by a Massachusetts Refrigeration Contractor for the duration of their apprenticeship. A Refrigeration Technician can supervise the work of the Refrigeration Apprentice, but the work hours will only be accepted while registered with the DAS, licensed with the OPSI, and under the employment of the Refrigeration Contractor. For more information see here.

To complete an application, enter all required information and attach the following documents: 

• A copy of your high school diploma or equivalent certification
• A 2"x 2" passport-style photo (unless use of RMV photograph is authorized)
• A copy of your Division of Apprentice Standards ID Card

Incomplete applications will not be scheduled for examination until all missing documentation is submitted.

You must be 18 years of age or older to apply. 

A refrigeration license is required for installing, repairing, replacing, and\or maintaining any refrigerant containing part of any refrigeration\air conditioning system TEN (10) ton or greater.

Find here a list of board-approved schools.

Licensed apprentices will be limited to two (2) renewals of their license unless otherwise approved by the Bureau of Pipefitters, Refrigeration Technicians and Sprinkler Fitters.

For FAQs regarding apprenticeship program registration and licensing requirements for the Pipefitting and Refrigeration professions please visit this page.