Kelvion develops and manufactures heat exchangers for energy, chemicals, marine, HVAC, refrigeration and data centers.

Kelvion GmbH
Herne · SarstedtNew on Amplifa
About Kelvion
Kelvion is an international manufacturer of industrial heat exchangers headquartered in Herne. The product portfolio includes plate heat exchangers, compact finned-tube heat exchangers, single-tube heat exchangers, shell-and-tube heat exchangers, transformer cooling systems and cooling towers. With these, the company serves market segments including power generation, chemical industry, marine industry, heavy industry, climate and environmental technology, food industry, sugar processing, refrigeration, transportation as well as data centers, LNG, hydrogen and supermarket refrigeration. In addition to new product manufacturing, Kelvion supports its heat exchangers throughout the entire product life cycle: installation and commissioning, inspection and maintenance, high-pressure and dry cleaning, repairs and overhauls, spare parts solutions, reconditioning, tube repair & retubing, leak testing as well as upgrades and long-term service contracts. The company employs around 6,000 people worldwide at 47 sales, service and production sites. Its subsidiaries include Kelvion PHE based in Sarstedt. The company's origins date back to 1920; since 2026 Kelvion has been part of Schlumberger.
- Site
- Herne
- Processes
- Manufacture of plate heat exchangers, Manufacture of compact finned-tube heat exchangers, Manufacture of single-tube heat exchangers, Manufacture of shell-and-tube heat exchangers, Transformer cooling systems, Cooling tower manufacturing, Installation and commissioning of heat exchangers, Cleaning (high-pressure and dry cleaning)
- Materials
- Plate heat exchangers, Compact finned-tube heat exchangers, Shell-and-tube and single-tube heat exchangers, Transformer cooling systems and cooling towers
- Employees
- approx. 6000
- Industries
- HVAC, Data Centers, Food & Beverage, Hydrogen, Power / Renewables, Transportation
- 01
Engineering and design
- 02
Manufacturing and assembly of heat exchangers
- 03
Installation and commissioning
- 04
Inspection, maintenance and cleaning
- 05
Repair, overhaul, retubing and reconditioning
- 06
Spare parts, upgrades and long-term service contracts
Products & Technologies
Plate heat exchangers
Compact heat exchangers for HVAC, refrigeration, food industry and hygienically sensitive applications.
Compact finned-tube heat exchangers
Finned tube bundles for air coolers and applications with high heat transfer on the air side.
Shell-and-tube and single-tube heat exchangers
Robust designs for chemicals, oil & gas, power generation and marine.
Transformer cooling systems and cooling towers
Heat dissipation for transformers as well as cooling in industrial and energy plants.
Sites
Herne
DEHeadquarters
Sarstedt
DESubsidiary Kelvion PHE (plate heat exchangers)
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacture of plate heat exchangersAssembly | – | – | – | – | – |
| Manufacture of compact finned-tube heat exchangersAssembly | – | – | – | – | – |
| Manufacture of single-tube heat exchangersAssembly | – | – | – | – | – |
| Manufacture of shell-and-tube heat exchangersAssembly | – | – | – | – | – |
| Transformer cooling systemsAssembly | – | – | – | – | – |
| Cooling tower manufacturingAssembly | – | – | – | – | – |
| Installation and commissioning of heat exchangersAssembly | – | – | – | – | – |
| Cleaning (high-pressure and dry cleaning)Surface | – | – | – | – | – |
| Repairs, overhauls & maintenanceAssembly | – | – | – | – | – |
| Tube Repair & RetubingAssembly | – | – | – | – | – |
| Leakage Test (leak testing)Testing | – | – | – | – | – |
| Audit & Analysis / Reconditioning / Upgrades & ReplacementsEngineering | – | – | – | – | – |
| Spare parts manufacturing (spare parts)Assembly | – | – | – | – | – |
Additional services
Reference customers
History
- 1920
Otto Happel founded Gesellschaft für Entstaubungsanlagen mbH (GEA), the origin of Kelvion.
- 1999
GEA was acquired by mg technologies (successor to Metallgesellschaft); renamed GEA Group AG in 2005.
- 2010
GEA consolidated its heat exchanger activities in the GEA Heat Exchangers (HX) segment.
- 2014
Sale of the GEA Heat Exchangers segment to Triton Partners; HX Holding GmbH acts as the holding company.
- 2015
HX Holding GmbH renamed the heat exchanger business unit to Kelvion.
- 2018
Rocore (USA) becomes part of the Kelvion Group.
- 2026
Acquisition of Kelvion by Schlumberger for USD 4.1 billion.