I have a good experience of renewable energy technologies. Energy from fossil fuel is costly in our part of the world and is also source of spreading pollution. Now I have come up with a product, which can heat room from solar energy. It also has a back up heater for cloudy days and an electronic digital controller which is brain of the system. Many solar water heater tanks are damaged due to some reason or other and they become scrap. In our technique we can convert these damaged tanks into useful solar room heaters. To optimize and commercialize these solar air heaters we require USD 6700/- This development can bring great relief to home owners living in cold climates and God willing will be blessing for poor families..