A thermo-hygrostat is a device that maintains constant temperature/humidity requirements for a particular indoor space, regardless of the outdoor conditions caused by climate change. Its main uses are for computer equipment rooms, operating rooms, laboratories, museums, document storage rooms, and special manufacturing processes (ageing and fermentation of food and beverage).Reduce energy by 15-22% per year, apply patented technology, obtain performance certificates, and designate excellent products by Public Procurement Service