Pre-insulated piping systems and solutions

District heating

Reliable and efficient piping systems for district heating with focus on environment and economy. isoplus supplies complete pre-insulated piping systems for district heating and helps you choose the right solution for your project.

District cooling

Centralised cooling ensures cost-efficient systems with ideal energy utilisation. isoplus provides high quality pre-insulated pipes for district cooling systems that ensure a minimum of energy loss to benefit both environment and economy.

Solar heating

Cleanest and most sustainable energy source – also at times when the sun does not shine. isoplus provides customised pre-insulated solutions for optimal connection to solar heating.

Community heating

Sustainable heating in small distribution networks is a reliable solution with a guaranteed lifetime of 30-50 years.


isoplus offers industrial solutions for many applications – with efficient insulation to protect your piping system from ageing.

Service & support


Efficient planning ensures optimal project implementation and reliable energy supply systems. Read more about the service or get in contact with us if you need assistance.

Design calculations

Correct design ensures the most optimal and the most economical solution. Read more about the service or contact us if you need assistance.

Joint installation

isoplus has its own service department with about 20 specially trained and certified fitters. We can help with joint installation and installation of leak detection systems – in large-scale as well as small projects.

Leak detection systems

isoplus’ project employees and service department offer a number of services related to the installation of new leak detection systems as well as renovation of the existing ones.


To design a smaller project or a distribution network, you can use our online calculation tool isocalc. The tool can provides guidelines for design of district heating piping.

Training & certification

With appropriate qualifications and up-to-date knowledge of the industry, you can ensure correct installation of your piping system and minimise the risk of faults. Learn more about training we offer at isoplus.

Case references

Green transition in Gentofte, Greater Copenhagen

The increasing gas prices, the enforcement notice of the phasing out of oil and gas heating as well as the actual international conditions, have resulted in a nationwide growing focus on and wish for a quick switch to district heating in Denmark. This goes for the...

District heating right on time thanks to pragmatic co-operation

 2021 was not the easiest year for planning and implementing large projects. But thanks to a flexible cooperation, TVIS still managed to advance 28 km further towards green economy. When district heating has to move over long stretches in the Triangle Region, the heat...

Unique solution in glasgow

Knowledge of the industry and special know-how are the keys to efficient and innovative solutions – and isoplus UK really made use of it when the company delivered and installed 800 metres of preinsulated pipes of the isoplus 2 series to the Glasgow University Campus....

District heating in the fells require technical consultancy

Over the last decade, Norway has made large investments in environmental district heating. Previously, Norway had access to very cheap electricity based on hydropower but the past 10 years' increasing electricity prices and growing urbanization have made district...

Rerouting pipelines to make way for light rail transit

Light rail transit is making its entry in the bigger cities of Denmark, and in the capital area a new light rail is scheduled to open in 2025 with 29 stations between the cities Ishøj and Lyngby. The light rail system is a comprehensive project, as a large number of...

District heating under the inlet in Hadsund

Establishing a 300-meter district heating pipeline may not sound all that spectacular, but there was something special about this project, when the southern part of Hadsund was connected to the northern city's district heating. The pipe had to be laid 1 meter below...

Trenchless technology to large project in Horsens

When 200 km of pipes and 180 km of service connections is to be buried, it is impossible to avoid inconveniences for the citizens. Many roads need to be dug up, which can cause traffic issues, broken roads, and frustrated citizens. In order to protect the surrounding...

Innovative project with new energy station in Tårnby

Tårnby Public Utility paves the way with a new visionary project in which an energy station will become the new gathering point for the area's district heating and cooling. Here the two systems will utilize the energy from the waste water. The plant will be the first...

Five oil villages’ path to sustainable solutions

Lolland Municipality takes the lead in the fight against climate change, as a new district heating project has begun on West Lolland. The municipal’s ambitious climate plan is based on the current energy policy, which includes phasing out oil-fired boilers by 2030 and...

Optimal supply for visionary urban development

In the South Harbour district in Aarhus, the second largest city in Denmark, a new heating transmission line from the Aarhus Heat Plant to Sydhavnsgade is intended to support a major urban development and ensure security of supply to the city. The neighbourhood of the...


Sustainability through and through

The circle is closed – no needless CO2 emissions / smaller carbon footprint than in the case of mechanical recycling of PE. isoplus is thrilled to bits that the last link in our chain of sustainable PE, i.e. our factory in Austria, has now been ISCC Plus certified...

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isoplus compiles information about isopex in one brochure

We look forward to launching our new brochure on our isopex flexible system. We have compiled all information about isoplus and isopex, and hope that the brochure will make it easy and manageable for you to make a considered choice to use isopex.information about...

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The future of isoplus is secure

There is a time for everything and 48 years after the foundation, the family behind isoplus has found a new owner to take the company into the next growth phase. The purchaser is the Dutch investment company Egeria, and the Danish management is delighted.  ...

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