TESY is a leading manufacturer of smart heating and hot water solutions and a leader in the production of electric water heaters, indirect heating water heaters and electric heating appliances. The company has representative offices in 5 countries and sells its products in over 50 countries on 4 continents.
TESY has 4 production plants – a plant for the production of electric water heaters, a plant for panel convectors, a plant for oil radiators, a plant for high-volume water heaters and buffer vessels.

For the exchange of electronic invoices and other business documents with its suppliers, TESY relies on the Electronic Data Interchange (EDI) system provided by Eltrade.’