The picture shows a middle-aged man working in a workshop or studio. He has dark hair, wears glasses and his face is framed by a full, well-groomed grey beard. He wears a dark blue denim shirt and smiles broadly.The man is leaning over a large work table while holding a smartphone in his left hand looking at ista’s operating cost billing  and making notes on the paper with his right hand. There is an open laptop on the table in front of him. Next to the laptop is a blue coffee cup.The background of the workshop is blurred, but you can recognise shelves and tools that indicate a manual or creative activity. The light streaming in from the right through a window illuminates the scene and creates a warm, inviting atmosphere.The man appears focussed and content, which is conveyed by his smile and relaxed posture.

Streamline Your Operating Cost Billing with Our One-Stop Solution.

Consumption-based billing with ista optimizes and automates the process of operation billing for property owners and managers and provides residents with a accurate and easy to understand billing.

Your benefits at a glance:

Be Compliant with Regulations

Save Money & Be Energy Efficient

Accurate & Transparent Billing

No More On-Site Visits with Remote Metering

Tired of the Same Old Billing Processes That Leave You Frustrated and Wasting Precious Time?

Accurately determining the operating cost used by each resident in a multi-resident property, while navigating the various regulations, can be a complex and time-consuming process.

ista has the right solution for you! Our innovative all-in-one solutions will speed up the process of operating cost billing, saving you valuable time and improving efficiency. With advanced technology and expert guidance at your fingertips, you can rest assured that your billing will always be accurate, transparent, and fully compliant. Say goodbye to the old billing process and hello to hassle-free digital management with ista.

Experience Hassle-Free Heating Cost Allocation in Just a Few Steps.

For property managers, landlords, and residents alike, operation cost billing can be a daunting and time-consuming task. But, by adopting our automated operation cost billing service, billing frustrations can be eradicated and accuracy and transparency can be enhanced. Our automated operation cost billing offers a simple and efficient one-stop solution that eliminates hassles, reduces errors, and saves time, resulting in cost savings for property owners and fair billing for residents.

Make Operation Cost Billing a Breeze.

Enquire Today and Leave the Work to us.

Optimize Your Operation Cost Billing and Reap the Benefits with Our Services.

Discover the full suite of advantages that come with ista's services. Whether you are overseeing a single property or a portfolio of buildings, ista has the knowledge and know-how to help you increase efficiency while decreasing costs.

Our Smart & Future-Proof Devices for a Smoother Billing Process.

Combining our one-stop solutions with innovative technology in our devices, managing your water consumption billing has never been easier. Find out more about the devices that can boost the ista eco-system in your property.

The background is coloured in dark blue and on the right side is the water-meter from ista depicted.

Water Meter

Smart hot and cold-water meter.

The background is coloured in dark blue and on the right side is the M-Bus from ista depicted.

Wired System (M-Bus)

Effortlessly monitor all meters.

The background is coloured in dark blue and on the right side is the radio system from ista depicted.

Wireless System (Radio)

Simplify your metering process.

The background is coloured in dark blue and on the right side is an open laptop that shows myista.

MY ista

Your personal energy portal.

Facts & Figures

6.300
Employees

Icon: In einem Kreis in der Farbe lime Grün befindet sich eine abstrakte Darstellung der Erde.

20
Countries

3,7 Mio
t CO₂ emissions avoided

43 Mio
Radio devices

14 Mio
Utilisation units

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Discover more Innovative Solutions to Transform Your Property.

Our custom solutions are designed to help our clients reduce their environmental impact, improve health and safety in their buildings, and save energy costs.

The Image shows a young man with a dark blue shirt, sitting relaxed on a table right by a window on the right side of the picture. He is smiling while looking outside, because with ista, his electricity billing is simplified and still precise, making it an effortless billing experience.

Electricity billing

Control electricity costs with precise billing, invoicing, and remote meter management.

The image depicts a man sitting at a round table in a well-lit office space. There is a glass of water and a small espresso cup on the table, adding to the professional yet comfortable atmosphere. The man is smiling and engaged with the water consumption billing from ista on his laptop, taking notes in a notebook. He is wearing a blue button-down shirt and glasses. The background features a flip chart, potted plants, modern furniture, and large windows allowing natural light to flood the room.

Water Billing

Save time and money with remote metering and transparent water billing solutions.

The picture shows a modern residential complex with several white, multi-storey residential buildings standing on the left and right side of a paved path. The buildings have balconies with dark railings, and some balconies are decorated with plants and furniture. A wide, paved footpath stretches between the buildings and continues into the distance. On the left side of the path are lush green areas and colourful flowerbeds that embellish the space between the buildings. On the right-hand side of the path, young trees are planted at regular intervals, forming a green avenue together with manicured lawns. Other buildings can be seen in the background, completing the urban surroundings of the residential complex. The sky is clear and blue, indicating a sunny day. Overall, the picture conveys a calm and pleasant living atmosphere in a modern, well-maintained environment.

Heat Optimasation

Optimise heating systems for enhanced efficiency and savings.