An insulation system includes a panel having a major surface, a layer of fibrous insulating material and at least one securing clip affixed to the panel and securing the insulation layer to the major surface. Each clip includes first and second connectors. Each connector includes a head, two diametrically-opposed resilient latching elements projecting from the head and a first locking shoulder extending at least partially between the latching elements. Each latching element includes a latching shoulder adjacent a distal end opposite the head.