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Last updated: 23 March 2016
Solar box cookers
Solar box cookers typically cook food at temperatures in the 100 - 175 °C (212 - 347 °F) range. Depending on their size, this type of solar cooker can accommodate multiple pots simultaneously. The sides and bottom are insulated to retain cooking heat. Worldwide, they are the most widespread. There are several hundred thousand in India alone.
Simple solar box cooker designs to build are the
Easy Lid Cooker and the "Minimum" Solar Box Cooker. An example of a popular well-constructed commercial solar box cooker is the All American Sun Oven.
Advantages and disadvantages
Can cook multiple pots simultaneously
Can be built from many different materials
Can cook large quantities of food using multiple pots simultaneously
Most modes rarely have to be turned to follow the sun while cooking
Can be used to bake breads and cakes
Can't fry foods
Simple box cookers may lack adequate reflector area.
The box may shade the cooking pot when the sun is lower in the sky. Manufactured box cookers often have a mechanism to tilt the cooker forward, while maintaining a flat cooking tray.
All Solar box cooker designs
All Solar box cooker construction plans