TESY is one of the leading European producers of electric storage water heaters, indirectly heated water tanks, electric heating appliances and heat pump solutions.
In the last decade TESY showed a rapid development and introduced to the world a wide range of cutting-edge products and patented solutions.
The company continues its growth by investing in the latest technologies, production capacity and new products.
Since October 2017, TESY has been an official member of the EHPA (European Heat Pump Association), which aims to provide technical and financial support to European, national and local authorities on legislative and regulatory.
TESY is also member of the European Technical Commission, that works directly on the development of European regulations regarding energy efficiency, for which we carry out laboratory tests and analyses of electric water heaters in order to verify and validate the methodology, described in the European regulations.

Electric Water Heaters
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Next-generation electric water heaters, combining modern design and smart technology.
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TESY water heaters have been developed for failsafe, long-term and reliable operation in households supplied with hard and highly mineralized and/or aggressive water.
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A wide range of elegant electric water heaters providing hot household water to several points of use at a time.
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Electric convector heaters ensure faster room heating and lower electricity costs.
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TESY offers wide range of electric convector heaters, including models with easy and intuitive Internet control, multiple energy saving and security options.
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Innovative air purifying function AirSafe, incorporated in some of the models, improve your home hygiene by exterminating 98% viruses and bacteria in the heated area.
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Built-in Wi-Fi module for control over the Internet, for the Cloud series electric convectors.


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Energy efficiency class A+.
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Can be connected to other energy sources like PV and solar systems or boilers.
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Programmable with an user friendly control panel.
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Automatic anti-legionella cycle.
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Self-diagnostic system.
