Solar Powered Refrigerator

Developing countries have a great need for cooling of food and medical supplies. Refrigerators are very expensive and require a electric power source. While reliable electric power supply is only available in the industrialized centers of developing countries, solar power is available and – especially in the southern areas – is reliable. Up to now, solar power has not been used for cooling.


Zeolite/water sorption systems can now provide a reliable and economic solution for these cooling needs.

The equipment consists of a refrigerator (in this case a 55 liter box-shaped cooler), powered by solar energy, with a built-in evaporator, one or more zeolite containers and a parabolic, concentrating solar collector, developed by E.G. Solar.

 solar collector

Working with the solar cooler

 

  • The cooling system is designed such that it can be produced locally without need for expensive electrical tools; maintenance and repair can be performed locally due to the simple design.
  • The investment for the cooling device is much lower than a solar driven compressor system of the same size which is powered by electric solar cells (costs about DM 3,000.--)
  • The solar collector can also be used for cooking.
Ohmstr. 3
D-85716 Unterschleissheim / Germany
Tel.: +49 89 3 10 44 84
Fax: +49 89 3 10 44 85

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