Become a K2 Pro Certified InstallerTake courses from K2 Systems’ Training and Product Development teams to learn best practices about designing and installing solar to various roof types. View All Courses Take Courses Courses are available by roof type. There will also be courses on PV basics and K2’s digital tool offerings. Pass Exam At the end of each course you will be required to pass an exam in order to receive the K2 Pro Certified title. Certificate & RewardsWith each course you pass you will earn a certificate of recognition and K2 Koins to use towards rewards. K2 Pro Certified CoursesClick any course below to register and begin learning! Free Composition Shingle Roofs Enroll Now