Better results, less hassle for contractors.
We cover full range of hardware starting from BTU meters, water meters (hot & cold), energy meters, M-Bus Masters and gateways along with software.
Services to secure the property.
With ista at your side, you benefit from a wide range of smart energy and building management services. Whether transparent consumption recording, automated billing, digital monitoring platforms or intelligent energy-saving solutions.
Retrofit Solution
Transform your existing systems with our retrofit solutions, designed to improve efficiency, sustainability, and performance without the need for full system replacements.
Power Optimisation
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Latest technologies.
Optimise your property's energy management with our wired (M-Bus) and wireless (radio) systems, designed to deliver seamless communication and enhanced utility monitoring capability across your buildings.
Cooling Meter
Our precise cooling meters, ensure accurate billing and efficient temperature control across buildings.
Contractors service source.
Energy savings of 25% achieved ahead.
The client was facing increasing energy costs and an aging infrastructure of air conditioning and lighting systems.
150,000+ meters enabled real-time data.
Seamless MDMS integration of meters enabled real-time data access, faster billing, and greater satisfaction.
Easy contact and 24/7 support.
We offer you a new and easy-to-use contact and support service.
Need help and like to get in touch with us.
Our strength lies in our personalised service, backed up by our market-leading portals, giving our customers 24/7 access to their energy data, on one bespoke platform.
Where innovation meets responsibility.
We are an international company headquartered in Germany and is one of the leading providers of consumption data recording and billing for energy in buildings. Our goal is to make energy transparent by optimizing and digitizing buildings in over 20 countries to make them future-proof.
We make buildings sustainably valuable. To do this, we manage data and processes that make properties climate-friendly, safe and comfortable. We already have over 43 million connected devices in use worldwide and are developing solutions for the intelligent and energy-efficient buildings of tomorrow.
Our data-based products and services make individual energy consumption transparent to residents so they can save energy, costs and CO₂.This in turn makes it easier to increase the energy efficiency and thus the value of the property. As a driver of innovation, we are consistently gearing our infrastructure towards the Internet of Things.
We rely on the latest and proven technological standards - both wireless and wired - to ensure precise measurement results and create valuable services for customers. We use and develop technologies that really prove themselves in daily use. They are state of the art and work reliably to transmit data securely.
We can look back on over 50 years of company history and combine this long-standing experience with modern expertise to offer forward-looking solutions in building management.