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Customer Portals

Elevate property management with ista's one-stop automation and optimization services.

Unlock the full potential of your property with our smart, automated solutions.

Our one-stop solutions for all your needs.

From energy management to smart metering automation, ista offers a one-stop solution for all your property needs. Our innovative technology and long-standing expertise ensure that you can trust us to provide the most innovative and effective solutions for your property. With ista, you can enjoy improved comfort, lower energy bills, and a more sustainable living environment. Whether you're a property manager or property owner, we have you covered.

In the picture, a woman with long brown hair is sitting on the floor, leaning against a gray couch. She is smiling and looking at her smartphone, which she holds in both hands. She is wearing a white sleeveless top and patterned pants. Earphones are plugged into her phone, with the cord visible. In the background, there is a yellow armchair on the left and a white side table with a yellow lamp on the right.

Billing services

Enhance your property’s financial operations with ista’s comprehensive billing solutions, designed to simplify payment processes and improve accuracy.

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Metering & data services

Unlock the full potential of your property’s utility data with ista’s advanced metering and data services, ensuring precise measurement and insightful energy management.

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Property services

Optimise your property management with ista’s targeted services, designed to ensure efficiency, compliance, and sustainability across your operations.

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In the picture, a person is working on a laptop at a round white table. The laptop screen displays various charts, graphs, and financial data, including profit and outcome figures. The person's right hand is typing on the keyboard. To the left of the laptop, there is an open notebook with a pen placed on top of it. To the right of the laptop, there is a smartphone lying on the table. In the background, there are some blurred objects, including a plant and a book

Energy management services

ista metering solutions optimise energy and water consumption efficiently. Take control of consumption in your property. Our solutions provide insights and tools that enable accurate billing and sustainable practices for property managers.

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Our billing & payment services

With ista's billing & payment services, you can enjoy the benefits of a streamlined payment process that is fast, easy, and cost-effective. Our automated billing system ensures that all bills are accurately calculated and delivered on time, reducing errors and delays.

Das Bild zeigt eine Frau, die auf einem Sofa sitzt und die Heizkostenabrechnung von ista liest. Sie hat langes blondes Haar und trägt eine schwarze Brille. Ihr Oberteil ist ein blaues Hemd, dazu trägt sie eine braune Hose. Während sie die Heizkostenabrechnung in der linken Hand hält, ruht ihre rechte Hand an ihrem Kinn. Sie blickt direkt in die Kamera. Das beige Sofa, auf dem sie sitzt, erstreckt sich über das gesamte untere Drittel des Bildes. Auf der linken Seite liegt eine weiße Decke über der Rückenlehne, davor lehnt ein gelbes Kissen. Im Hintergrund sind verschiedene Möbelstücke zu erkennen, die auf ein Wohnzimmer hinweisen: Rechts stehen eine Stehlampe und ein Regal, in der Mitte führt eine offene zweiflügelige Tür in einen weiteren Raum mit Bücherregalen. Der gesamte Hintergrund ist unscharf.

Heat Cost Allocation

Streamline your heat cost allocation with our one-stop solution.

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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 Consumption Billing

We offer a range of services including water submetering, billing, and data analysis, which can help you to optimize water usage.

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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.

Operating Cost Billing

Streamline your operating cost billing with our one-stop solution.

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The picture shows a relaxed scene in which an elderly woman is sitting comfortably on the floor. She is turned sideways to the camera and leaning slightly backwards against a white cupboard. Her right arm is bent while she holds the tablet in both hands and touches the screen with the fingers of her right hand. The woman is wearing glasses with red frames and a blue and white striped shirt. Her hair is short and blonde and she smiles as she looks at the tablet. There are several green plants in pots in the background. The largest plant is at the top left of the picture, right next to a window. This window allows warm, natural light to stream into the room, creating a cosy and bright atmosphere. Further left in the picture, closer to the foreground, a smaller plant can be seen, which is slightly out of focus and contributes to the warm atmosphere. To the right of the woman, in the background, other blurred plants can be seen, giving the room a fresh and lively look. These plants are at different heights and distances from the camera, adding depth to the image. The woman is sitting in a slightly bent position, with her legs drawn up and crossed. The overall effect of the room is inviting and cosy, which is enhanced by the warm light and the green plants.

Direct Billing

Transform your billing process with direct billing.

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The picture shows a woman sitting peacefully on her couch and looking at her phone while smiling. background of the picture ist slightly blurred but you can still distinguish is a white modern kitchen with a white stone wall. On the stone wall are two simple shelves with food containers and to the right of them on the wall is an extractor bonnet. On the right-hand side of the picture, three wall cabinets can be seen, two of which have glass fronts. Underneath you can see a counter with two white chairs. On the counter is a vase with decorative flowers. In the foreground you can see the upper part of a light grey couch on which an elderly lady is sitting. She has a grey bob, black glasses and is wearing a blue shirt and light blue jeans. The lady is smiling at her mobile phone she is holding in her hand, with which she can easily and conveniently use ista's SmartPay option.

Smart Pay

Take control of your residential management with our real-time billing system integrated with smartpay equipment.

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Our metering and data services

Unlock the full potential of your property’s utility data with ista’s advanced metering and data services, ensuring precise measurement and insightful energy management.

Heat Metering

Efficiently Monitor and Manage Your Heat Usage with Our Smart Remote Metering Technology.

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Water Metering

Make your water usage management more efficient and cost-effective with our state-of-the-art smart hot and cold water meters.

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The picture shows a young man sitting at a white desk in his home, smiling and looking at his mobile phone and using the power metering service from ista. He is wearing a rust-brown corduroy shirt, a sand-brown shirt underneath and has black square glasses on. His hair is short and black and he has a short black beard. In front of him on the table is a laptop, next to it is a calculator, a ballpoint pen with a white sheet of paper and a white coffee cup. On the right side of the picture, directly next to the man, is a large monstera. The background is blurred, but a grey couch with brightly coloured cushions can be seen in the top left-hand corner and to the right of it is a orange and black wooden kitchen counter with two black bar stools.

Power Metering

Effortlessly monitor and manage your power consumption with our smart remote metering technology.

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A young professional man, wearing glasses and a casual green jacket, is seated at an outdoor café with a laptop open in front of him. He appears thoughtful and focused, with his hand resting on his chin. On the table beside the laptop are a smartphone and a notepad. The background features modern office buildings and greenery. This image conveys a sense of contemplation and productivity, emphasizing the concept of consumption data monitoring in a business environment.

Consumption Data Monitoring

Enhance property management with real-time energy insights.

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Data Exchange

Secure and hassle-free energy data exchange service made for your business – fast, accurate, and integrated.

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The picture shows a close-up of the eye area of a person wearing square, black glasses. The person is looking from the right side of the picture to the left. You can only see the person's left eye, which is grey-blue and surrounded by dark eyelashes. The focus of the picture is on the recognisable eye, the rest of the picture is blurry.

Data Collection

Boost efficiency with smart utility data collection for your properties.

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The picture shows a row of narrow but tall terraced houses. The terraced houses have alternating grey and white façades. On the left you can see a house with a white façade and on the far right a house with a grey façade. They are also always built at different heights, so that there are never two houses of the same height next to each other. All the houses have a large square window front in the upper half, consisting of 30 small square windows. The window front of the fourth house from the right is the only one covered by a blind. All of the houses have four individual windows under the fronts, with two on the left and two on the right below each other. Above the houses you can see the almost completely cloudless blue sky. In the foreground in front of the houses you can see a lawn with many bushes and a total of four trees, three of which can be seen on the left at the edge of the picture and one tree on the right.

Metering Technologies

Advanced technologies for reliable utility tracking and management.

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Energy management services

ista metering solutions optimise energy and water consumption efficiently. Take control of consumption in your property. Our solutions provide insights and tools that enable accurate billing and sustainable practices for property managers.

The picture shows a smiling man holding a tablet on which ista's Energy Management Minute View is displayed. The man has brown hair and is wearing black glasses. He is wearing a beige and grey striped shirt and a blue blazer over it. He is standing in the centre of the picture and looking directly into the camera. A modern office can be seen in the background. On the left-hand side of the picture is a wooden shelf in front of a black wall, decorated with long hanging plants and various objects that give the impression of awards. On the right of the picture, two women are sitting next to each other at a white work table covered with various work items. The woman in front, whose long black hair and beige loose top are visible, rests her arms on the table and has turned her head towards her colleague, so that only the back of her head is visible. The woman next to her has long blonde hair and is wearing a light blue shirt. Her side profile is recognisable. The entire background is blurred so that the focus is on the smiling man with the tablet.

Energy Management

Ensure precise billing and secure debt recovery with our service.

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A father and his young child are engaging with solar panels outdoors. The father, kneeling beside the child, observes attentively while the child, with blonde hair, wearing a white shirt and blue jeans, uses a small tool to interact with the solar panel surface. The sunlight illuminates the scene, emphasizing the importance of renewable energy and family involvement in sustainable practices. This image highlights the hands-on approach to solar power management, symbolizing a commitment to future generations and environmentally responsible energy solutions.

Solar Power Management

Unlock the potential of solar power management for residential properties.

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Heating Optimisation

Optimise heating systems for enhanced efficiency and savings.

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Our property services.

Optimise your property management with ista’s targeted services, designed to ensure efficiency, compliance, and sustainability across your operations.

The picture shows a young pug standing comfortably and drinking water directly from a silver tap. In the background, the light brown kitchen counter on which the dog is standing and a few objects lying on this plate can be recognised in a blur.

Drinking Water Analysis

Ensure safe, clean drinking water with expert analysis, accurate contamination detection, and advanced Legionella prevention.

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The picture shows a smiling woman with blonde hair and glasses standing in a modern office. She is wearing a cream-coloured blouse and has her arms crossed in front of her chest. The woman is in the centre of the picture. Behind her, a wall is covered with lush green foliage growing in a wooden frame. This green wall takes up the left part of the background and gives the room a natural and lively atmosphere. To the right of the woman, along the right side of the painting, is a window front that allows plenty of natural light into the room. The windows show a view of the roofs and the surroundings outside the building. A blur is visible in the foreground of the picture, possibly created by a glass surface or reflection. This blurring gives the image a certain depth and a modern photographic effect. The whole scene conveys an image of a modern, well-lit and green working environment that is both professional and inviting.

Energy Debt Management

Ensure precise billing and secure debt recovery with our service.

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The picture shows an intimate moment in a brightly lit room. In the foreground is a couple in a loving embrace in front of a large window. The man is wearing a brown top and beige trousers, while the woman is wearing a light-coloured top and dark trousers. Both people are standing barefoot on a wooden floor, with the man standing slightly behind the woman and embracing her tenderly. The window, which takes up most of the background, allows plenty of natural light into the room and offers a view of a wooded outdoor area. The sunlight streams through the window and creates warm rays of light in the room. To the left of the picture, near the window, is a table attached to a wall. There are two small objects on the table, presumably salt and pepper shakers. To the right of the window is a large houseplant in a white flower pot. The plant is clearly visible and lends the room a natural atmosphere. In the right-hand part of the picture, further in the background, there is a piece of wooden furniture that looks like a wine rack or a small shelf. There are a number of objects on the shelf, including a framed picture and other decorative items.

Smoke Detector Service

Ensure safety with regular smoke alarm checks.

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Air quality Measurement

Improve indoor air quality with advanced technology and compliance support.

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The picture shows an electric car that is being charged. In the foreground is the car's charging socket, into which a charging cable is plugged. The cable is connected to an ista EV charging station, which is outside the picture. In the background, slightly out of focus, is a man in a light-coloured suit talking on the phone. He has a relaxed posture and is leaning slightly against the car. The scene probably takes place in an urban environment or in a company car park, which is indicated by the modern buildings in the background. The image conveys an atmosphere of modern technology and environmentally friendly mobility.

EV-Charging

Provide essential charging stations for residents.

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The picture shows two men looking intently at a laptop. The man on the left has curly, dark hair and a beard, while the man on the right has shorter, lighter-coloured hair. Both are wearing shirts, with the man on the left wearing a dark-coloured shirt and the man on the right a light-coloured shirt. They appear to be engaged in a conversation and are possibly working on a project together. There are blurred green leaves in the foreground, suggesting a leafy or natural environment. The background is blurred, but it can be recognised that they are in a modern office or workspace. You can dimly make out office furniture and shelving, suggesting a professional environment.

Compliance Reporting & Billing

Simplify compliance with tailored solutions for accurate energy metering and billing.

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The picture shows two hands holding a smartphone into the camera frame. On the smartphone is the screen for ista’s Leakage-detection app. The rest of the picture is blurred, but the person who’s holding the phone can be seen to be sitting on the couch at home.

Leakage Detection

Automated leakage monitoring to avoid any costly water damage.

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An aerial view of a residential complex showcasing several multi-story apartment buildings equipped with rooftop solar panels. The buildings are arranged in a circular layout, surrounded by well-maintained greenery, trees, and parking lots filled with vehicles. The roads curve around the complex, connecting the various structures. This image highlights the implementation of renewable energy through solar panels in a modern residential community, emphasizing sustainability and eco-friendly living practices. It illustrates the community's commitment to reducing its carbon footprint and embracing innovative energy solutions.

On-Site Generation

Seamlessly integrate ZEV billing for a sustainable and efficient energy solution.

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Room Temperatur Monitoring

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The picture shows a tap. The tap is made of shiny metal and has a curved shape that points downwards. At the end of the tap, where the water normally comes out, hangs a single drop of water that is about to fall. Another tap can be seen blurred in the background to the left of it. The entire background of the picture is blurred and shows a mixture of green and blue colours that could be reminiscent of an outdoor area or a garden. The light in the picture is warm and appears to be coming from the top left, casting a soft, golden glow on the tap. This creates a feeling of freshness and clarity, as if it is a sunny morning. In the foreground of the image, below the tap, there is a blurred area which may represent a sink or basin.

Tap Maintanance

Prevent leaks and maintain water systems efficiently.

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ista's comprehensive services are just one click away.

Our expert customer team is dedicated to finding the perfect, tailor-made solution for your needs, ensuring your satisfaction every step of the way.

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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

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43 Mio radio devices

14 Mio utilisation units