Rufepa has developed from his engineering department a greenhouse tunnel that it is now a tested solution for drying coffee and other spices in tropical countries.
After receiving the order from one of our customer of developing a solar tunnel dryers and following their suggestions and reports we designed a greenhose tunnel using free and clean energy such us sun and wind.
Provided with rotary fans and solar fans, tunnels can drecrease the humidity rate of coffee bean from 65% to 11% in a shorter period of time compared to drying coffee in open field tables. The big advantage of this tunnels are:
Though our tunnels are successful for coffee drying, they are also feasible for drying other spices.
Our product reference: PTSD