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About us

Valves for district heating and cooling

We have great ambitions in the district energy market, offering a combination of high-quality products, extensive application knowledge, and innovative digital add-on solutions that provide our customers with insight into and control over their networks.

From pre-insulated underground valves in the pipeline to intelligent cloud-based solutions, and everything in between. Since 1991, our collaboration with the district heating sector has been as a supplier of dynamic valves for district heating units. In 2020, we expanded our commitment by acquiring ownership of the valve company DE Valves Glamsbjerg A/S with the aim of further strengthening our focus on the district heating sector.

This strategy has allowed us to continuously expand our product range and develop tailored solutions for district heating and cooling in close collaboration with our customers.

"Complete District Energy Solutions – All the Way from Energy Production to Consumer" is our concept with products and services that connect parts of the district heating system, enabling the reduction of pump capacity and lowering the supply temperature, leading to optimised operations and reductions in both consumption and expenses.

The combination of our energy-saving dynamic valves, our extensive range of fully welded ball valves for both above and below ground, as well as the ability to gain factual insights into the network through IoT products for monitoring and remote control of valves, makes us a natural partner in the green transition necessary to achieve significant reductions in CO2 emissions.

We provide our customers with intelligent ways to solve challenges and offer a holistic view of their district heating network.


Frese Group

At Frese, we aim to work in close cooperation with our suppliers, partners and customers to provide innovative fluid control and component solutions for our target markets around the world.

With the head office and main manufacturing facilities located in Denmark, the Frese group is a combination of a highly experienced foundry and a leading manufacturer of high quality valves, controls and fittings for the global HVAC, plumbing, district energy, marine and industrial market segments.

The Frese business has been built up over 75 years and now holds a prominent position as one of the world’s leading providers of innovative fluid control and component solutions.