Our certified contractors are the best of the best in systems and installation. Certified contractors meet initial criteria in the core competencies of air sealing, walls, floors, attics and building science. Companies maintain certification by achieving continuing education units each year through a variety of accredited sources. Our map includes those who are working towards certification and those who have completed the necessary requirements to be considered High Performance Certified. Industry Professionals from our supporting partners that have completed a High Performance Insulation Training are featured as well.