The Kyurkchievi brothers established Tesy in 1990, and 25 years later it introduced the "smart" water heater with Internet control. The establishment of Ficosota, a company catalyzing the entrepreneurial spirit of its founders, and a few years later, in 1993 the trade structure was expanded with an industrial one - the company TErmoSYstem and the TESY brand. It started producing electric heaters and oil radiators. Ficosota established long-term partnership with Delonghi and Kenwood and became their exclusive distributor for Bulgaria. In 1997 the company started its expansion outside Bulgaria.