Sunflower Energy provides solar thermal products. Soalr hot water sytem and solar collectors. Sunflower Energy's solar water system includes open loop and closed loop options, which works to all climates. Provide saving to your domestic hot water needs, and extend swimming pool season. Sunflower Energy's trackers maximize solar photovoltaic systems energy output while making most efficient use of land. SEI is a PV/ CPV tracker supplier. SEI's system provides 25 to 40% more energy than flat PV systems.