AKASH GANGA

Published Apr 02, 2026
 10 hours to build
 Intermediate

AKASH GANGA is a pioneering project designed to extract potable water from the air through condensation. Utilizing a thermoelectric cooler and a fan, this portable device efficiently collects moisture, offering a sustainable solution to water scarcity in diverse environments. By harnessing atmospheric humidity, "AKASH GANGA" promotes eco-friendly water procurement, making it ideal for applications in arid regions or disaster-stricken areas where access to clean water is limited.

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Components Used

Thermoelectric Peltier Modules
Thermoelectric Peltier Modules 4.0 A Peltier (TEC) Module
1
9V Battery
Consumer Battery & Photo Battery 9V RECTANGLE
1
Heat Sink
suitable heat sink
1
Mini Exhaust Fan (5V)
Controls airflow over moss to improve purification
1
Description

INTRODUCTION:

"AKASH GANGA" is an innovative project dedicated to extracting potable water from the atmosphere using condensation technology.

Building a water harvesting device like "AKASH GANGA" using the listed components (Peltier module, motor pump, heat sink, exhaust fan, coiled copper tube, plastic box, and battery) involves creating a system that utilizes condensation to extract water from the air.

                                            .

Step-by-Step Guide to Building "AKASH GANGA":

 

Step 1: Gather Components

Ensure you have all the necessary components ready:

  • Peltier module
  • Water cooling block
  • Motor pump
  • Heat sink
  • Coiled copper tube
  • Plastic box
  • Battery
  • Wires, connectors, and necessary tools
TEC-12706 40x40mm Thermoelectric Cooler ...
HW 9 Volt Battery
Aluminum Heatsink Without Thermal Tape ...
Probots Mini Water Pump 3-6V ...
Flexible Copper Tubing ...

Step 2: Prepare the Peltier Module and Heat Sink

  1. Attach the Peltier Module and Water Cooling Block:
    • Apply thermal paste to the flat surface of the Peltier module.
    • Place the water cooling block on top of the Peltier module, ensuring good thermal contact.
    • Securely mount the assembly onto the heat sink using screws or glue.

Step 3: Coil the Copper Tube

  1. Form the Copper Tube into a Coil:
    • Wind the copper tube into a tight coil shape, ensuring it fits inside the plastic container to collect the water.
How to make a copper tube coils

Step 4: Assemble the Water Condensation System

  • connect plastic pipe to one of the outlet of Colling block and put the another  of in plastic box.
  • put the motor pump inside plastic box.
  • Connect the plastic pipe to the outlet of the motor pump and route it towards the coiled copper tube.
  • plastic pipe from another end of the copper tube connected  to the another outlet of cooling block. 

 

Step 5: Connect Components and Wiring

  1. Wire the Components:
    • Connect the Peltier module, exhaust fan, motor pump, and battery according to the circuit diagram.
    • Use appropriate wires and connectors to ensure secure connections and proper insulation.

Step 6: Testing and Calibration

Power On and Test:

  • Power on the system using the battery.
  • Monitor the operation of the Peltier module and water cooling block to ensure effective cooling and condensation on the copper tube.

Step 7: Outcome

Water stored in container:

  • water present in air is condensed around the copper tube
  • it forms water droplets and drop into the container

 

Flow Chart:

Advantages of AKASH GANGA :

  1. Provides clean water from atmospheric humidity, helping solve water scarcity.
  2. Eco-friendly technology – uses condensation without harmful chemicals.
  3. Portable and compact, easy to carry and use in remote areas.
  4. Useful in disaster or emergency situations where clean water is not available.
  5. Works in humid environments, especially suitable for tropical regions like India.
  6. Low cost and easy to build using easily available components.
  7. Can be powered by renewable energy like solar panels.
  8. Simple design with low maintenance requirements.
  9. Helps provide water in remote locations where pipelines or groundwater are not accessible.
  10. Promotes sustainable and innovative water harvesting technology.

Video Demonstration(End Outcome):

 

Conclusion:

AKASH GANGA demonstrates an innovative and sustainable approach to addressing water scarcity by extracting potable water directly from atmospheric humidity using condensation technology. By utilizing a thermoelectric Peltier module, cooling system, and airflow mechanism, the device efficiently converts moisture present in the air into usable water. The system is portable, low-cost, and environmentally friendly, making it suitable for use in remote areas, disaster-affected regions, and places with limited access to clean drinking water. With further improvements such as solar power integration and filtration systems, AKASH GANGA has the potential to become a practical solution for sustainable water generation and contribute to solving global water challenges.

 

 

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