Manual cooling and heating system

Our solution product is a design of a Manual Heating and Cooling System, which can be used in rural areas, having scarcity of energy (electricity) resources. Rural people generally don’t afford a refrigerator due to electricity shortage or due to high cost and maintenance. So we have designed this system that can boost the daily life of rural people. This device is not exactly a refrigerator but it can definitely warm and cool water or any liquid at a same time according to its mechanism explained later in the section. It will not consume electricity but will consume manual work (Human effort).