Grameen Intel, a social business information technology, teamed up with the adverting agency Grey Dhaka to develop this project. And as of February, the duo has brought the cooling system

To beat the heat, a new social venture has created Eco-Cooler – a DIY cooling system consisting of used plastic bottles and a piece of cardboard that fits in any window.

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DIY aircon uses old plastic bottles – and is already being in used in 25,000 Indian homes. Eco-Cooler decrease temperatures by at least 9 degrees Fahrenheit

This DIY device is mounted on a board, with bottleneck-sized holes cut in a grid pattern — no electricity required.

Grameen Intel, a social business information technology, teamed up with the adverting agency Grey Dhaka to develop this project.

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The steps to follow include;

  • Grab a piece of a heavy duty cardboard and trim it to fit the window of your choice.

 

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  • Cut holes in a grid pattern that are large enough for a bottle neck, but be sure the cuts are spaced out according to the size of the bottle.

 

  • Find as many used bottles as you can, and the bigger the size difference between the body and the rim, the better.

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  • Slice along the body of the bottle and cut away the tops of the caps before placing them back on the bottle – this helps fix the bottle into the board.

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  • Push the cut bottle from the outer side of the board, twist the cap from the inner side and tighten in to keep the bottle in place.

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  • Place the Eco-Cooler in the window with the wide part of the bottles facing outside.

 

Hot air will rush into each bottle, which is pushed to the rim where it starts to expand – this expansion is what cools the air before it enters the room.

Hot air will rush into each bottle, which is pushed to the rim where it starts to expand – this expansion is what cools the air before it enters the room

 

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