You have a need for cooling.
We have your solution.
With 50 years of experience
all around the world.

We are Riedel Kooling, head-quartered in Kulmbach, Germany. Together with our sites in the US (Kalamazoo) and China (Shenyang), we have set ourselves the goal of becoming the international technological and quality leader for sustainable customer solutions in the field of cooling technology in the most widely varying application areas.


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Part of the Glen Dimplex Group.

Riedel Kooling is part of the Glen Dimplex Group, which operates worldwide. We have developed a global competence network in the form of our Glen Dimplex Precision Cooling division, with locations in Germany, USA, China and India. We develop and produce intelligent system solutions for high precision machinery and process cooling.

We do not think of our products in terms of the market, but the other way round.

We start out with the customer benefit and then work backwards to the technology. We contribute our decades of know-how to the overall solution and help you with our expertise in generating a unique added value for the final product.

From E-mobility charging stations to 3D printers.

Riedel Kooling Power2Drive E-Mobility 3D Printer

We design solutions for the cooling processes of tomorrow for our renowned customers. We develop individual, reliable and economic cooling solutions for all kinds of applications in the professional field: from EV charging stations, hydrogen mobility and solutions for energy storage systems to 3D printers. Our portfolio ranges from customised individual products and small series products to major series with multiple 20,000 cooling solutions per year.


We have already been able to
convince customers of the quality of our products.
And we are not stopping here.


We already supply various
market segments with our cooling solutions:
From small tradesmen and end customers to
major corporations.


Every year we develop
cooling solutions for our customers: from customer-specific individual
projects to small series and large series.

Our locations.



  • Tailor-made solutions for process cooling for a variety of applications: from healthcare to machine tools to plastics manufacturing and food processing.

Facts and figures

  • Founding of “Koolant Koolers” in 1952 by Hermann Hill.
  • After the takeover by the Glen Dimplex Group, the company was renamed Dimplex Thermal Solutions (DTS) in 2006 Headquarters in Kalamazoo, Michigan, USA with an area of ​​more than 13,000 sqm.
  • 220 employees.



  • Process and application cooling under the brand Riedel Kooling.
  • Production of heat pumps under the brand Dimplex.
  • OEM White Label for major manufacturers.

Facts and figures

  • Head Office in Kulmbach, Germany.
  • With 27,000 sqm.
  • Workforce of ~1.200, with around 10 % engaged in R&D.



  • The range of refrigeration areas is consistently expanded and Glen Dimplex China becomes a system supplier for medical technology cooling applications.
  • In addition to separators, the central cooling water supply for the magnetic resonance tomographs, the entire infrastructure for the MRI system is also offered from a single source.

Facts and figures

  • Establishment of today’s Glen Dimplex (China) Precision Cooling Machinery Co. Ltd. Early 2000s.
  • The location in China has officially been part of Glen Dimplex Deutschland GmbH since 2014.
  • 86 employees, modernized production, efficient development team, sales, service and purchasing organization.
  • More than 20,000 sqm of factory space.