⌂ » District heating

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.

Effective and CO2-friendly

District heating is an efficient supply that can use practically all kinds of energy sources. Heat consumption is increasingly generated from renewable energy sources such as sun, wind, biomass, biogas and geothermal energy. Thanks to their unique structure, pre-insulated district heating pipes contribute to environmentally friendly use of energy sources while reducing the emission of CO2.

A low-energy pre-insulated pipe from isoplus is effectively insulated with polyurethane foam and protected by an impact and fracture resistant jacket pipe of HDPE. This structure ensures high reliability and a constant low heat loss throughout the service life of the pipe system. Therefore, it is a CO2-friendly solution that secures low operating costs in the long run.


The right solution for your project

isoplus provides pre-insulated piping systems for many different district heating applications, such as heat transmission, distribution, solar heating and small community projects.

By choosing the correct pipe system, you ensure optimal energy-saving operation and security of supply to the consumers. The choice of pipe system will depend on a number of factors. Heat price, length of pipeline, heat density and capacity usually go hand in hand with dimension and the choice of pipe type.

isoplus’ range of products comprises all components required to provide complete pre-insulated pipe systems. A large central stock and a wide product range ensure that we can put together optimal and competitive solutions for small and large assignments.

We have many years’ experience with materials and components for district heating systems and can help you choose the perfect solution for your project.

Contact one of our experts for technical assistance and consultancy or read more about isoplus services.


Contact us

T  +44 1302 276976

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Pipes and fittings for district heating solutions

Steel pipe

Pre-insulated steel pipe is a solid and efficient solution for district heating, cooling as well as industrial applications that require high temperature and pressure resistant pipes.


isoplus pre-insulated isopex pipes are perfectly suited for branch lines, secondary lines and small community projects with a continuous operating temperature of maximum 85°C.


isoalupex is a flexible pre-insulated piping system perfectly suited for branch lines in district heating piping systems.


isoplus’ pre-insulated isoflex pipes is a bonded pipe system, perfectly suited for branch lines in district heating systems operating at high temperatures and pressures.

Customised pipes

isoplus is able to supply a number of products in addition to those found in our catalogue and brochures. Contact isoplus’ technical department and let us find the right solution for your project.

Joints and fittings

isoplus offers a complete range of joints, joint assemblies, fittings and other accessories, all tailored to the pipes and easy to install and maintain.

isoplus PG leak detection system

isoplus offers three different alarm boxes with an associated monitoring system, which means that you can always get the solution that suits your project requirements.

Case references

34 km of district heating pipelines in the Netherlands

Surplus heat for 120,000 homes ISOPLUS Benelux as well emphasizes on reducing the CO2 emissions and on a future where we depend less on natural gas. An important step in this direction is the contract for the supply of pipes to Gasunie*, the Netherlands, and their...

Many years of cooperation with HOFOR – create durable solutions

The good cooperationThe cooperation between HOFOR and isoplus dates back more than 10 years and involves many projects in the Greater Copenhagen area. Because isoplus has a local service department in Hvidovre we were able to provide efficient and prompt service to...

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...

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