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Dehydrating food with electricity can cost hundreds of dollars, plus heat your house when you don't want heat. A solar dehydrator not only runs for free, but is arguably the most efficient use of solar power. Solar dehydrators can be made from different recycled materials: old refrigerators, reclamed lumber, sheet glass and miscellaneous hardware.

The lorena cooktop is a highly effective design for rocket stoves, as it maximizes heat transfer and cooking efficiency. This specialized cooktop, featuring a metal plate with a central hole positioned above the burn chamber, enables rapid heating of large pots through direct exposure to the intense flames. The lorena's design prioritizes efficient heat utilization from the rocket stove, resulting in faster cooking times and reduced fuel consumption. Additionally, the metal plate surrounding the central hole serves as a secondary cooking surface, offering versatility for various culinary tasks. Once a large pot reaches the desired temperature, it can be moved to the surrounding cooktop, and the central hole can be covered with a piece of metal to maintain heat. This dual functionality makes the lorena a practical and energy-efficient cooking solution, suitable for both large-scale and smaller cooking needs. The integration of a lorena into an outdoor kitchen setting is often proposed, further enhancing its practicality and convenience.

Hugelkultur is soil on wood. When stacked seven feet high, it provides all of the water and nutrition for a full garden.