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.

Be energy efficient & cut costs.

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.

Your benefits at a glance:

Reduce consumption with smart metering

Be energy efficient & cut costs

State-of-the-art smart devices

Future-proof your properties

Nationwide coverage wherever you are

Maximize savings with proven energy solutions offered by ista.

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

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

Energy savings made easy with our expert solutions.

We understand that no two properties are the same, and as such, we work closely with you to identify and implement the right solutions that best fit your property. Our expert team is dedicated to ensuring that all your property needs are met, and that everything runs smoothly.

One-stop property management services.

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

A meeting is taking place in a modern, light-filled office with glass walls. In the foreground, one person is sitting at a table in front of an open laptop, with printouts and a pen next to them; another person is standing next to the table and appears to be moderating the discussion. A third person is sitting opposite, gesturing as if explaining a point. In the background, other people are working in a lounge area, separated by glass and furniture. The ceiling lighting and visible technical installations emphasise the contemporary character of the workspace and a collaborative, professional working atmosphere.

ESCO Solution & Services

Achieve greater energy savings and efficiency with our comprehensive energy management and ESCO services, focusing on performance enhancements with no upfront costs through guaranteed savings.

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A service technician wearing an orange safety vest and protective helmet stands in an industrial plant between pipes and machine components. He is holding a tablet in his hand and checking a plant unit at head height, as if he were checking measurements or documenting a maintenance step. In the background, cables, metal beams and other technical installations run along a narrow corridor, and the lighting is reminiscent of a production or technical area. The scene conveys inspection, maintenance and digital documentation of plant operation on site.

Energy Audits

Accredited to perform ASHRAE Level 1, 2, and 3 energy audits by the designated authority.

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Close-up of several people at a shared workspace: hands typing on keyboards and operating computer mice on desktop PCs. One person is wearing a yellow knitted jumper and a bracelet; other arms can be seen blurred in the foreground. The scene conveys concentrated work in an office or training room.

Utility Billing

Consolidate all your utility services into one streamlined billing system, simplifying payments and reducing administrative efforts for both property managers and end-users.

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A person sits in a modern office in front of large windows, holding a smartphone in their hand. An open laptop sits on the table. Outside, an illuminated cityscape can be seen at sunset. The scene conveys concentrated work in a quiet, professional environment.

Collection of Chilled Water Charges & Customer Service

Enhance your payment processes and customer satisfaction with efficient cash collection services and dedicated support, ensuring smooth transactions and responsive assistance for end-users and property managers.

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Ready to reduce your property's energy consumption?

Facts & Figures

6,300 employees

20 countries

3.7 mil. t CO₂ emissions avoided

14 mil. utilisation units

Innovative solutions which 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.

Two people greet each other with a handshake in a modern, urban setting. On the left is a person wearing a long white robe with matching headgear; on the right, a second person in a grey suit can be seen from behind. In the background is a waterfront promenade and water, with blurred modern skyscrapers rising into the sky behind it. The scene looks like a professional meeting or business appointment outdoors and conveys cooperation and intercultural collaboration in an international urban environment.

Be compliant

Meet local authorities regulations easily with our tailored solutions designed for building and real estate compliance.

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Two children run hand in hand across a sunny lawn in a park. Both are wearing long white robes and light headgear; the scene is shot from behind, so that the movement and running together are in the foreground. Large trees provide shade around them, and palm trees can be seen on the right. In the background, modern high-rise buildings and a bright, clear sky are visible, indicating an urban environment near a green space. The image conveys lightness, togetherness and a carefree moment outdoors.

Be eco-friendly

Reduce your property's carbon footprint and create sustainable living environments with ease. Our solutions offer innovative ways to manage your environmental impact effectively.

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The picture shows a close-up of the keyboard of a laptop, which is illuminated by warm rays of sunlight from the background. The screen of the laptop is on the left edge of the picture and a woman in a dark blue shirt can be seen sitting in a blur on the right edge. Her hands are resting lightly on the keys of the laptop. The background of the picture is very blurred, but you can easily recognise the walls of a room and a window through which the sun's rays shine.

Be in control

Gain full control of properties through precise data insights and real-time monitoring.

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