In the picture, a high stone wall can be seen in the background. The stones are quite small and have been arranged four times, two next to each other and two below each other, in such a way that they have formed several ovals. In front of this wall in the centre of the picture is a small tree in a dark pot. To the left of the tree are two men in dark suits talking about istas heat-contracting. The jacket of the man on the left is open, revealing his white T-shirt, and he is holding a document in his hands in front of his upper body. The man on the right, standing with his back to the plant, is carrying a black cloth bag in his left hand.

Heat Contracting

ista's heat contracting service the expert solution for energy efficiency.

Get an optimized energy supply for properties with 30+ rental units, thanks to ista and its partners.

Get in touch with us

Your benefits at a glance:

Be compliant with regulations

Save money & be energy efficient

Be eco friendly & reduce CO₂ footprint

One-stop solution for all your needs

Don't let heating costs burn you out save cost with ista's heat contracting service.

Old heating systems can be a drain on energy efficiency and cost-effectiveness, leading to higher energy bills and reduced comfort levels.

Fortunately, with ista's advanced heating solutions, you can upgrade your heating system to achieve optimal energy efficiency for your property. Our team of experts can help you assess your current heating system and recommend the best solutions to maximize your energy savings and minimize your environmental impact. With ista, you can say goodbye to outdated and inefficient heating systems and enjoy the benefits of modern, sustainable heating solutions.

Optimizing energy usage made easy with ista's heat contracting service.

By partnering with ista and its network of expert partners, you can enjoy customized heating solutions that are tailored to your unique needs and budget. Our team of professionals will work closely with you to assess your current heating system, recommend upgrades and maintenance, and implement efficient heating solutions that will help you save money, reduce your environmental footprint.

Upgrade your meating system today and save on any upfront cost.

Get an offer Request a free consultation

With ista's heat contracting service, you can enjoy a wide range of benefits for your properties, including optimized heating, reduced energy consumption and costs, and increased property value.

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Enjoy significant cost savings, improved property value, and reduced environmental impact
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Upgrade your heating system without any upfront costs, we finance the installation and maintenance for you
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Offset your heat contracting costs and streamline your billing process with our convenient option to pass them on to your tenants
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24/7 Automated controlling, optimizing & monitoring of the new heat system

Our smart & future-proof devices for a smoother experience.

Combining our one-stop solutions with innovative technology in our devices, managing your metering options has never been easier. Find out more about the devices which round up the ista eco-system for your property.

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.

Pozadie je zafarbené na tmavomodro a na pravej strane sa nachádza zberncica dát ista.

Wireless System (Radio)

Simplify your metering process.

MinuteView

Your energy insight tool.

Facts & Figures

6.300 employees

20 countries

3,7 Mio t CO₂ emissions avoided

43 Mio radio devices

14 Mio utilisation units

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Frequently asked questions

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.