This innovated Interior Solar Air Heater heats your space WITHOUT electric power or fossil fuels... This Interior Solar Air Heater will save you money on your heating bills, and is environmentally conscious, self sufficient, and self powered...

The Interior Solar Air Heater, model number SIS25M1848, can be used in interior applications, under sunny conditions and is recommended to be used with single pane windows only... The Interior Solar Air Heater allows 50% of outside light to pass through into the room...

The Interior Solar Air Heater, is designed to be supplementary to existing heating systems, and is ideal for home, garage, workshop, greenhouse, RV, boat, and cabin...