WAFFCO (Waste-Fuel Free Combustion) is a universal solid biogenic fuel-fired furnace with closed combustion chamber. It is constructed mainly of clay and metal, and designed to replace open-fire stoves.
WAFFCO is a closed biomass burning ...
Waterboxx is an inexpensive integrated planting technology that allows for the planting of trees in degraded farmland and rangelands. Consisting mainly of a 20-liter box, Waterboxx is placed around a young seedling at the transplanting stage ...
Evaptainers are electricity-free mobile refrigeration units which run at a low cost. Utilizing the phenomenon of evaporative cooling, rather than more energy-intensive vapor compression refrigeration, the Evaptainer is ideal for use in ...