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16 Products
BelliSlimo is a mix of intelligent high-tech advantages and exclusive Italian design – flat slim silhouette, attainting a space-saving compact size, which ensures easy mounting according to various needs.


32 Products
Next-generation electric water heaters, combining modern design and eco-friendly smart technology. ModEco family accommodates all the product and technological innovations people have come to expect from TESY
13 Products
The water heaters of the ANTICALC series have been developed for failsafe, long-term and reliable operation in households supplied with hard and highly mineralized and/or aggressive water.


36 Products
A wide range of elegant electric water heaters providing hot household water to several points of use at a time.
7 Products
MaxEau series are designed in compliance with European safety standards and highest quality requirements.


9 Products
Low-volume and compact in size. The water heaters of the Compact series are suitable for installation at small and narrow spaces close to the point of use of hot domestic water.
Instantaneous water heaters series
2 Products
The TESY-branded instantaneous water heaters provide hot water in unlimited amount, at any time and without delay.

Energy efficiency of electric water heaters (ErP)
Since 26 September 2015, all TESY water heaters are equipped with energy efficiency labels in conformity with a new ErP (energy related Products) Directive of the European Union.