Words of wisdom: “….the solar oven is a very good mimic of a crock pot slow cooker” - Bob Wells1)
Solar ovens are devices that concentrate and retain heat from the sun to cook foods. They can also used to reheat or to disinfect water. The ovens may have integral cooking containers2) but more commonly a black pot is placed into the oven.
requires good sun
wind can blow the cooker around
wind will wick off heat from open designs
can be bulky - look for foldable/collapsible designs
Major design styles include:
box - a box with reflectors
bag - like a box, only made from flexible matrial like neoprene with mylar lining
funnel - a rough parabolic shape
thermal tube - horizontal clear tubes into which food is placed
The acronym CARD describes what is necessary for solar cooking:4)
Attraction (black pots or painted oven bottom)
Retention (“greenhouse” enclosure or insulated box walls with cover)
Duration - time in the oven
One might add S for Sunshine.
Commercial ovens tend to be expensive. See also DIY overns below.