The picture shows a young man leaning against a glass railing and holding a small tablet with a white cover in his hand. He is smiling and looking into the distance. The man has short brown hair and a short brown beard and is wearing a beige suit with a white t-shirt underneath. Since the photo was taken from a frog's-eye view, you can see a tall, modern office building made of light-coloured stone with four rows of large windows in the background.

Smart solutions for smarter savings.

Embrace the future of energy management with smart devices and automated services to future-proof your property. Boost your bottom line by enhancing energy efficiency and cutting costs.

Reduce consumption with smart metering

Be energy efficient and cut costs

State-of-the-art smart devices

Future-proof your properties

Nationwide coverage wherever you are

Maximise savings with ista's proven energy solutions.

Managing residential properties efficiently presents numerous challenges, from maintaining cost-effective operations to ensuring tenant satisfaction and regulatory compliance. Property managers and owners frequently struggle with optimising energy use, streamlining billing processes, and keeping up with the dynamic demands of the property market.

These challenges require sophisticated, integrated solutions that can adapt to both the complexities of property management and the evolving needs of residents. ista’s suite of services addresses these challenges head-on by offering a comprehensive range of tools and technologies tailored for the residential property sector.

Boost your property's energy savings with ista's smart services.

With our comprehensive services, you can rest easy knowing that your billing and utility expenses are taken care of, leaving you free to focus on other important aspects of property management.

The picture shows a woman sitting on a couch and reading the ista heating bill. She has long blonde hair and is wearing black glasses. Her top is a blue shirt and she is wearing brown trousers. While she holds the heating bill in her left hand, her right hand rests on her chin. She looks directly into the camera. The beige couch on which she is sitting stretches across the entire lower third of the picture and has a white blanket draped over the back on the left with a yellow cushion leaning against it. In the background are various pieces of furniture that suggest a living room: A floor lamp and a shelf can be seen on the right, and in the centre an open two-part door leading into another room with bookshelves. The entire background is blurred.

Heat Cost Allocation

Allocate heating costs fairly among residents.

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 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 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.

SmartPay Prepayment Billing

Manage payments with 24/7 access, and versatile payment options.

One-stop property management services.

With our digital services, you can benefit from our experience and expertise in energy management, ensuring your properties are optimised for energy efficiency and cost savings. Our customised approach takes into account the unique needs of each property, ensuring optimal results.

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.

Heating Optimisation

Optimise heating systems for enhanced efficiency and savings.

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

Enhance energy use with 24/7 monitoring and real-time insights.

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.

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.

Are you ready to reduce your property's energy consumption?

Innovative solutions that deliver results.

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

The picture shows a man sitting on a balcony in an urban environment. He is wearing a dark blue suit and a white shirt and is sitting relaxed at a small black table on the lower half in the centre of the picture. On the table in front of him are a laptop, a notepad with a pen and a coffee mug. The man has rested his legs on the balcony railing and is holding a telephone in his left hand while talking on the phone. The balcony is richly decorated with plants. On the left of the picture, climbing plants stretch up the wall, taking up almost the entire left side of the picture. Below the climbing plants are several pots of flowering plants and greenery arranged along the floor of the balcony. Above the man, stretched across the balcony, is a string of lights with several light bulbs that extends from the top left-hand corner to the right-hand side of the picture. In the background you can see a row of multi-storey buildings in various shades of yellow stretching across the top and centre of the picture. Behind the buildings is a park-like landscape with many trees that further break up the background. The sun seems to be either rising or setting, giving the picture a warm, golden glow. The view from the balcony extends over the roofs of the city.

Be compliant

The key to a stress-free property.

The picture shows a green, wide and tall meadow with large green trees on the edge of the horizon in the upper third of the picture and a girl running through the meadow. From the upper edge in the centre, bright yellow rays of sunlight stretch across the middle of the picture and bathe it in warm light. In the centre of the picture, a little girl in a knee-length, sleeveless white dress is walking across the meadow with her back to the viewer. Her long blonde hair blows away from her body to the left as she moves. In addition, as she runs, her left arm is loosely behind her back and her left foot is bent upwards so that the entire underside of her foot can be seen at the end of her dress.

Be eco-friendly

Green solutions to make your property sustainable.