Thermowood At Nanak Furnishers (P) Ltd., we only source our Thermowood products from the licensed members of the Thermowood Association, which ensures the certified processes, machinery & infrastructure is used to produce Thermowood.The manufacturing process of the Thermo wood takes place in the special computer-controlled Kiln & is based on the use of high temperature (190-215 degrees Celsius) & steam, no chemicals are added.The Thermo process contains three phases: