Make your own air conditioning that does not require electricity in South Asia, a group of engineers created an ecological air conditioner, which does not require electricity to operate, this eco-cooler can reduce the temperature up to 10° degrees Celsius, best of all, you can do it in the comfort of your home.
This invention, called “Cooler Eco” was designed by workers from the company Grameen Social Business Intel, which is built from recycled materials and is easy to build; so that anyone who wants can access it.
It was designed to deal with the high temperatures that usually occur in Bangladeshi homes (sometimes reaching 45°C and against which the population suffers greatly.
Make your own ecological air conditioning in simple steps.

Materials:
- Shell paper or you can also use wooden sheets.
- Plastic bottles.
- Scissors.
- Cutter.
- A rule.
- A tool to measure.
- Silver tape or black tape.
- A pencil.
Procedure:
First we cut the shell paper to the size of your window.

Then we will mark the points where the holes will go, the mouths of the bottles will enter these holes. Next we will drill the holes at the marked points.

Then we started cutting the bottles approximately in half.

Once we finished cutting the bottles, we began to cut the caps.

Now we begin to install the bottles on the leaves.

Lastly you must install the eco-cooler on your window, to carry out this step you can use the silver tape or you can also use silicone. Ready, you have your own air conditioning installed in your window, for those hot times!
Step by step video:
Like you can also make an eco-cooler with wood.
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