At a time when our whole planet is hungry for smart energy alternative, Israel has demonstrated how it can be done fruitfully. It is estimated that 90% of Israeli homes have solar water heaters fitted on their roofs. Though it gives a wacky kinda look to the ‘world’s only Jewish state’ with thousands of these heaters shining on the top of almost every structure, it definitely gives them a reason to be stand up with green pride. By law, all houses constructed in Israel must have solar water systems. And so Israel is leading the world in exploiting solar energy for household use. Way back when the government put severe restriction on the times when water could be heated, Israelis responded by purchasing huge quantities of solar water heaters. And by now almost whole of Israel is sporting it.
Here’s how it is supposed to work – The system consists of two parts, a collector and a water tank. The collector is a glass panel fitted with black water pipes that absorb the sun’s radiation. Since hot water is lighter than cold water, the heated water in the pipes moves up towards the tank, which sits at a higher level, and the cold water sink from the tank to the bottom of the collector, creating a natural circulation cycle. For cloudy days such heaters are befitted with an electric heating element.
Guess all the other countries need to take tips from such green achievements and understand that significant changes CAN BE DONE!
Via Metaefficient
