Abstract: A solar heated building including a thermal collector means which is carried in the attic of the building for absorbing energy and heating the air within the attic. Duct means are connected between the attic and a thermal storage chamber carried below the bottom floor of the building. The thermal storage includes a rock bed extending substantially under the entire area of the house with the joists which support the bottom floor of the building resting on top of the thermal storage chamber. Registers are carried in the floor extending between the space provided between a pair of adjacent joists so that conditioned air can be fed between the joists to the registers for either heating or cooling the house. Control means which are activated by strategically located sensors are utilized for opening and closing dampers for controlling the flow of air through the building.

Abstract: A panel structure mounted on the roof of a building for permitting solar energy to pass therethrough into the building. The panel structure includes a first translucent panel having corrugations running in a first direction. A second translucent panel is placed on top of the first translucent panel with the corrugations running perpendicular thereto. The two panels are secured together and sealing members are interposed between the first and second panels. Upper surfaces of the sealing members are complementary in shape with the corrugations for mating with the upper panel and producing a seal between the panels along two edges thereof. A second sealing strip seals the other two edges of the panels. Thus, a structurally strong and lightweight panel is produced that can be readily mounted on a roof.