Castillo Housing Corporation; Natural block exposed stair tower designed to act as a thermal chimney allowing hot air to escape through an electronically controlled skylight and drawing cool air from below creating an internal breeze, In addition, featuring a unique 22' ft. long impact resistant window. The windows throughout the home is National Fenestration Rating Council (NFRC); providing energy performance which cools your home in the summer, warm it in the winter, and keeps out wind, and resist condensations.