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Last edited: 15 November 2020
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A simple reflector made from one corner of a cardboard box can be used to preheat food or water while other food is cooking.
Preheating can be used to increase the efficiency a solar cooker or a conventional stove for that matter. For example, while a pot of food is cooking, an additional pot of food can be placed in the sun, ideally in a plastic bag or other glazed enclosure, to preheat. To speed preheating, the pot can also optionally be placed in a simple cardboard reflector (as shown in the illustration to the right). Once your first pot of food is finished cooking, remove it from the solar oven and place the now-preheated second pot of food in the solar oven to finish cooking. The same technique works to save cooking fuel when using conventional stoves.
Preheating water for cooking[]
Inmates at the Davao City Jail use solar preheated water for cooking. photo credit: Karlos Manlupig
- May 2015: Solar heated water saves firewood in the Philippines - Inmates at the Davao City Jail in the Philippines, have begun to use solar preheated water for cooking. Not directly solar cooking, but none the less, a type of integrated cooking that is saving firewood. By preheating the water, cooking time is reduced 20 - 30 minutes. The system was provided by the International Committee of the Red Cross. A guard said the facility used to have a truckload of firewood delivered three times a week. Now, it needs only a single delivery every two weeks. Read more...
- September 2014: Minimizing wood needed to cook a days worth of food with Solar Hybrid Cooking - Sun Frost
Audio and video[]
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