The Office of Public Safety and Inspections recognizes that ductless mini-split systems (mini-splits) have increased in prominence as standalone retrofit installations, and this document seeks to provide guidance on the permit and license requirements for their installation. This guidance covers standalone installations in one and two-family dwellings
6hr hybrid Construction Supervisor License Continuing Education Courses
Our hybrid courses adhere to the MA regulation of offering 6hrs online and 6hrs live. We cover all you need to know about the Massachusetts 10th edition.





