"Reducing Energy consumption by fair billing"

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"ista is a global leader in the field of energy efficiency"

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Heat Monitor Germany 2014: energy demand falling but long renovation cycles

Heating costs falling sharply – old German states catching up in energy-efficient renovation – long renovation cycles of 75 years on average



France commits to submetering for the energy transition

The French National Assembly has passed a comprehensive law on the energy transition. According to this law, energy consumption is to be halved by 2050.

Living our values

Values represent the very foundation of a company. They express the culture, spirit and way a company runs its business – towards customers, stakeholders, but also towards its employees.



The efficient use of energy and water is one of the major issues of our time.With our solutions we not only meter but make energy consumption visible.Thereby help consumers to save energy and change their individual energy consumption behaviour.

ista international

ista specialises in the recording, billing, visualisation and management of heat, water and gas in 24 countries all over the world.


Corporate Social Responsibility does not take place on the fringes but at the heart of ista. Our products  are sustainable to the very core because they help conserve resources. Therefore, the focus of our entire company is very much on responsibility. 

Investor Relations

We place great emphasis on maintaining a strong relationship with our investors. To ensure that they are kept abreast of our strategies, performance and key business activities, we continuously engage with our investors.