This project aims to Designed and built cabinets Steam energy. Study parameters of the steam cabinet and Breakeven Analysis economics. The test sample results showed that three kinds. The average temperature inside the autoclave at a minimum, is kawtommud temperatures 32.62 °C maximum temperature is 114.78 °C.Water from pipes condensed water vapor is the highest steaming kawtommud measure was 76.66 cc. fuel low, steamed are steaming salapao average of 0.906 kg of fuel is the highest steaming kawtommud averaged 1.89 kg breakeven economics at 0.94 years per night to refund.