Links and Online Resources
The Renewable Energy site for Do-It-Yourselfers
Great Story about troubleshooting a stubborn Cricket by Dr. Wm. Schenker
Sunnovations - 'A Revolution in Solar Hot Water' - a company in Virginia with a product similar to the Copper Cricket.
Harnessing the Sun's Energy for Water and Space Heating, Lester R. Brown
Geyser Pump Solar Water Heater System Modeling Design Optimization