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Hello guys! It is a design which provides heat and cooling to a home or building without using any electricity or fuel. No fans, no motors, etc. It is a design which utilizes the sun, and natural storage media, like water, or rocks etc. for heating, and proper thermal ventilation functions for cooli...

Greetings to everyone! Solar energy, radiant light and heat from the sun, has been harnessed by humans since ancient times using a range of ever-evolving technologies. Solar radiation, along with secondary solar-powered resources such as wind and wave power, hydroelectricity and biomass, account for...