The FD100 with the STC1 Controller is all you need to start drying wood. The STC1 controller consists of a proportional timer to control the drying cycle and a thermostat to control the heating cycle. Extra equipment such as venting units and supplementary heaters are normally not required. The drying speed is controlled at a rate which will not cause degrade, therefore humidification equipment is unnecessary. The FD100 is a packaged drying system for the wood retailer or other craftsman who require quality kiln dried wood. The unit is complete and ready for installation into a home built drying chamber. The FD100 has been designed to operate effectively at low humidity levels therefore you can be certain that your wood is thoroughly dried to the moisture content you need, as low as 6%.