The Solar Funnel Cooker is safe and easy to make, and effective in capturing the sun’s energy. Per his article the BYU Funnel Cooker/Cooler can:
- Cook food without the need for electricity or wood or petroleum or other fuels.
- Pasteurize water for safe drinking, preventing many diseases.
- Save trees and other resources.
- Avoid air pollution and breathing smoke while cooking.
- Use the sun's free energy. A renewable energy source.
- Cook food with little or no stirring, without burning.
- Kill insects in grains.
- Dehydrate fruits, etc.
- Serve as a refrigerator at night, to cool even freeze water.