Abstract: A solar energy collector having a hollow, pyramidal-shaped body made of insulation material and a fluid conducting coil of heat conducting tubing extending around the inside of the body. The outer case or shell has a fluid coil to sense heat and cold of liquid flowing to the fluid bed. A plurality of sheets of rigid material support alternate layers of liquid and lenses which focus sunlight onto the layers of liquid and onto the coils of tubing thereby heating the liquid. The liquid in each of the coils is connected to separate thermostatically controlled louvers to open when the outside air temperature reaches a predetermined value and to close when there is no ambient sunlight. The collector operates day and night, the year around, collecting and storing heat.

Abstract: A solar collector having a hollow, pyramidical-shaped body made of insulation material and a fluid conducting coil of tubing extending around the inside of the body. A plurality of sheets of rigid material support alternate layers of liquid and of lenses which focus sunlight onto the liquid and onto the coils of tubing thereby heating the liquid. The liquid in the coils is connected in series with the liquid supported on the sheets so that liquid can be withdrawn from the ends of the coils and passed through a battery for storing the heat or otherwise supported and stored. The collector also includes an infrared absorber.