SunCache Solar Water Heating System from Harpiris Energy

The SunCache integral-collector-storage (ICS) solar water heater uses a roof-mounted, water-filled, unpressurized, polyethylene panel and copper heat exchanger to pre-heat water for domestic use. Developed through research supported by the U.S. Department of Energy, the relatively inexpensive SunCache captures heat in 50 gallons of non-circulating water stored in a rooftop panel. When a hot-water tap is turned on, cold water from the supply line flows...