1) Solar Cookers / Solar Ovens
Solar cookers use solar thermal energy to concentrate sunlight and cook food or heat water without any smoke.
2) Wood-Efficient Rocket Stoves
Rocket stoves are efficient wood stoves that use an insulated combustion chamber to cook food or heat water with a minimal amount of firewood.
3) Solar Dehydrators
Solar dehydrators use the sun to create an air flow that dehydrates fruit and vegetable pieces for preservation.
4) Solar Water Heaters
Solar water heaters use the sun to heat up water for residential or commercial use. They are very effective and can replace or combine with a regular propane heater.