The Zen of Passive Solar Heating Panel Design - Front and back of solar heating panel with double trap to allow for totally passive heating without accidental loss of heat. This could 2-layer design could be combined with the soda can heater idea as a si
被动式太阳能采暖的禅宗面板设计,正面和背面的太阳能加热板与双阱允许完全被动加热没有意外损失的热量。这可能双层设计可以结合汽水加热器的想法作为一个简单的方法可以改善其功能。
