Crystal Window & Door Systems introduced its newest heavy-commercial window line. Featuring superior thermal and structural performance, the new Crystal Series 9200 is a high-end aluminum polyamide thermal barrier window capable of meeting today’s energy, operating and aesthetic demands. The Series 9200 is available in tilt-and-turn, or dual action, in-swing casement, and fixed/picture window models and is well-suited for all applications, especially mid- and high-rise buildings.