Cheap, easy to build and requiring no electricity, these DIY air conditioners are made from readily available free materials and are effective at cooling homes in the hottest of areas.

Out in the sticks of Bangladesh, the threat of flooding means that 70 percent of the population live in corrugated tin huts, most of which aren’t hooked up to an electricity supply. In the heat of the summer, this can practically turn these houses into ovens. However, a project called Eco-Cooler is spreading knowledge of a cheap and electricity-free method to cool down houses throughout Bangladesh. The beauty of the project is it needs little more than a few plastic bottles and a board. It was started through a collaboration between advertising agency Grey Dhaka and Grameen Intel Social […]

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