Zero Electricity Eco Friendly Cooling System in Bangladesh

Bangladesh

Some Climate Features

Subtropical Monsoon Subtropical Monsoon ClimateClimate

Average Temperature Average Temperature 25◦C 25◦C

Maximum summer Maximum summer temperatures range temperatures range between 30 ◦C and 35 ◦C between 30 ◦C and 35 ◦C

Minimum winter Minimum winter temperature lies in the temperature lies in the range 8◦C to 10◦Crange 8◦C to 10◦C

Some Features – Six Seasons

Cox’s Bazar – Longest Sandy Beach

Rickshaw – A Popular Ride

Seven Layer Tea!

The Eco Cooler

It Started At………

Daulatdia, RajbariDaulatdia, Rajbari

28000 People28000 People PoorPoor Live Without Live Without

ElectricityElectricity In Tin HutsIn Tin Huts

Temp. reaches up to 45◦C

During Summer Temperature Reaches During Summer Temperature Reaches up to 45◦C inside the Tin Hutup to 45◦C inside the Tin Hut

EcoCooler - Made With Bottles

Array of Bottles installed at Window

How It Works

Hot airHot air

Cold airCold air

How It Works

Joule – Thompson EffectJoule – Thompson Effect

Result – Temp. Drop ~10◦C

A bit more comfortable……