The Zero Electricity Air Cooler – made from plastic bottles and not use electricity. – Eco Cooler

The Zero Electricity Air Cooler – made from plastic bottles and not use electricity. – Eco Cooler
Most homes in Rural Bangladesh are made out of tin huts that go over 45° celsius during the summer. Our employees volunteered and teamed up with Grey Dhaka to address this issue.
Re-purposing used soft drink and water bottles, The Eco-Cooler works without electricity to reduce temperatures up to 5° Celsius.

https://www.youtube.com/watch?v=HYbW2Ps-1fc