NHDS Revolutionary Drying System for wood shavings or hogged wood waste. Super efficient due to the simple design. Dryer has NO MOVING PARTS. Complete system with biomass furnace, fuel feed system, and dryer. Proven with over 2 years continuous use in a cold environment. Quick starting, less refractory, scalable design. Call today to discuss how this system can begin to save you money! US Patent applied for.