Top view of a construction site where three skilled workers wearing safety helmets and high-visibility vests are discussing a construction plan. One person is holding a clipboard with a drawing, while a second is pointing to a plan or tablet and the third is standing next to them listening. Stacked formwork elements, bundled pipes and other building materials are scattered around the group; on the right, vertical and curved reinforcing steel bars protrude from the concrete. The scene depicts a construction site inspection with coordination of work steps, safety aspects and construction work in a shell construction environment.

Begin smoothly and efficiently.

More quality, less effort during development.

Our services are designed to simplify work and make it more accurate. By using innovative technologies and digital services, we simplify work and reduce effort.

Digitalisation makes it more easy.

Developing buildings has never been this effortless — our digital tools streamline operations, reduce manual work, and enhance every touchpoint of your service experience.

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.

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.

A shot of a modern residential or office high-rise building from below. The light-coloured façade has a clear structure and is characterised by several staggered, widely projecting balconies. Glass railings and large window fronts reflect the daylight and provide insights into the interior. The balcony slabs form strong horizontal lines and create a dynamic, staggered silhouette. A bright sky can be seen in the background, making the contours of the building particularly clear. The image conveys contemporary architecture, urban living and high-quality building design.

Metering Technologies

Advanced metering technologies tailored for your properties.

A person is working at a desk in an office, pensively holding a pen in their hand while looking at a large monitor. Several windows with text-based content and coloured areas are open on the screen, suggesting analysis or development work. In the foreground, another screen is blurred, next to it are a keyboard and a coffee cup. The environment is warmly lit and looks like a focused workplace in a home office or study. The scene conveys focused work, digital information processing and a calm, professional atmosphere.

Remote Connectivity (MDMS)

Enable seamless, real-time metering data collection and monitoring with our Remote Connectivity (MDMS) solutions, ensuring efficient management and analysis of energy consumption across multiple locations.

Solutions and services that improve energy efficency.

Efficiency, transparency, and total control — digitalisation transforms traditional building services into a connected experience that works for you and your End-users.

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 Audit

Expert energy audits tailored to your building’s performance.

The picture shows a light-flooded part of an office space. Two men can be seen sitting at a desk directly in the foreground, stretching from left to right in the lower third of the picture. The man sitting on the left has short, dark brown and curly hair, a brown-red beard, wears round glasses with black frames and a black shirt. The man to his right has almost black short hair, a brownish beard and is wearing a black T-shirt. Both men are looking at the two monitors on the desk in front of them. Both men are looking at the carbon audit provided by ista on these monitors. To the left of the monitors on the desk is a black printer. To the right of the monitors is a telephone and next to it, on the right-hand edge, two letter trays are stacked. In the background you can see a wall consisting of large windows that stretches from the first left third of the picture to the right edge. In addition, the ceiling, which can be seen in the upper part of the picture, also consists of the same large windows. On the right-hand side of the picture, a dark brown, approximately waist-high room divider can be seen, which bends to the right once. Six plants can be seen on the room divider and behind it. To the left of the picture, directly next to the man on the left, is a wall consisting entirely of green plants.

Carbon Audit & Reporting

Mastering carbon audits and reporting for sustainable success.

A service technician is working on a flat roof next to a row of large air conditioning or ventilation units. He is wearing a hard hat and a reflective safety vest and is kneeling in front of the units. He is holding a tablet or clipboard in his left hand, while his right hand is touching one of the units, as if he were checking its condition. The housings of the outdoor units are lined up in a row and feature round fan covers. In the background, roof structures and a sloped surface with solar panels can be seen, above which is a bright sky. The scene conveys the maintenance and inspection of technical building equipment.

Replacement of low EER ACs

Upgrade from outdated low EER air conditioning units to our latest technology-driven, high-efficiency systems—delivering energy-saving, cost-effective, and environmentally sustainable cooling solutions for commercial and residential properties.

150,000+ meters enabled real-time data.

Seamless MDMS integration of meters enabled real-time data access, faster billing, and greater satisfaction.

From disconnected to centralised.

Remote connectivity to power smart metering.

Energy savings of 25% achieved ahead.

The client was facing increasing energy costs and an aging infrastructure of air conditioning and lighting systems.

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.

Request consultation Visit the support area

More quality, less effort during development.