
Refrigeration, heating and air conditioning technology: planning, installation and service with in-house special refrigeration system manufacturing
Rütgers GmbH & Co. KG
Mannheim · Hamburg · Berlin · Ahaus · Dresden · Frankfurt · Munich · Karlsruhe · StuttgartNew on Amplifa
About Rütgers
Rütgers GmbH & Co. KG is a refrigeration, heating and air conditioning company founded in Mannheim in 1919 with around 150 employees and nine locations across Germany. Its service portfolio covers the planning of complex cooling systems and heating technology as well as the delivery and installation of absorption chillers, chilled water units, liquid coolers, split and multi-split air conditioning systems, and compression and absorption heat pumps. In addition to distribution of KTK and Shuangliang (Thermax) products, the company plans and manufactures special refrigeration systems and modernizes existing systems on a manufacturer-independent basis. Maintenance, monitoring and a 24/7 emergency service with more than 70 service technicians complete the offering. Reference customers come from healthcare, research, data centers, aviation and industry, including a hospital in Rhineland-Palatinate, the University of Göttingen and Berlin Brandenburg Airport BER. The headquarters are located in Mannheim (Helmertstraße 19–21).
- Site
- Mannheim
- Processes
- Absorption Chillers (Sales, Planning, Installation), Chilled Water Units (Sales, Planning, Installation), Split & Multi-Split Air Conditioning Systems (Sales, Installation), Absorption Heat Pumps (Sales, Installation), Compression Heat Pumps (Sales, Installation), Liquid Coolers (Delivery and Installation, Manufacturer KTK), Planning of Complex Cooling Systems and Heating Technology, Manufacturing of Special Refrigeration Systems
- Materials
- Absorption Chillers, Chilled Water Units, Liquid Coolers (KTK), Absorption and Compression Heat Pumps
- Certificates
- DIN EN ISO 9001, Pressure Equipment Directive 2014/68/EU (certified operator), Chemicals Climate Protection Ordinance (certified operator), Pressure Equipment Directive 2014/68/EU, Chemicals Climate Protection Ordinance
- Founded
- 1919
- Employees
- 150
- Industries
- Building Services, Industry, Commerce, Healthcare/Hospitals, Food Industry, Pharmaceutical Industry
- 01
Consulting and planning of cooling systems and heating technology
- 02
Sales and system selection (KTK, Shuangliang/Thermax)
- 03
Manufacturing of special refrigeration systems
- 04
Installation and commissioning
- 05
Maintenance, monitoring and modernization
- 06
24/7 emergency service
Technologies and Systems
Absorption Chillers
Refrigeration generation using thermal energy from waste heat, solar thermal energy or combustion for industry, buildings and combined cooling, heat and power.
Chilled Water Units
Compact refrigeration generation for building air conditioning and industrial process cooling.
Liquid Coolers (KTK)
Delivery and installation of liquid coolers, including units with magnetic-bearing turbo compressors and refrigerant R1234ze.
Absorption and Compression Heat Pumps
Tailor-made solutions for efficient heat generation in industry and commerce.
Locations

Mannheim
DEHeadquarters with sales, engineering, special refrigeration system manufacturing and service
- Materials
- Absorption chillers, chilled water units, heat pumps, special refrigeration systems
- Engineering
- Service Fleet
Hamburg
DESales and service branch
Berlin
DESales and service branch
Ahaus
DESales and service branch
Dresden
DESales and service branch
Frankfurt
DESales and service branch
Munich
DESales and service branch
Karlsruhe
DESales and service branch
Stuttgart
DESales and service branch
Systems and Plants



Inside the production




Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Absorption Chillers (Sales, Planning, Installation)Engineering | – | – | – | – | – |
| Chilled Water Units (Sales, Planning, Installation)Engineering | – | – | – | – | – |
| Split & Multi-Split Air Conditioning Systems (Sales, Installation)Assembly | – | – | – | – | – |
| Absorption Heat Pumps (Sales, Installation)Assembly | – | – | – | – | – |
| Compression Heat Pumps (Sales, Installation)Assembly | – | – | – | – | – |
| Liquid Coolers (Delivery and Installation, Manufacturer KTK)Assembly | – | – | – | – | – |
| Planning of Complex Cooling Systems and Heating TechnologyEngineering | – | – | – | – | – |
| Manufacturing of Special Refrigeration SystemsAssembly | – | – | – | – | – |
| Maintenance, Monitoring and Modernization of Refrigeration and Heating SystemsAssembly | – | – | – | – | – |
| 24/7 Emergency Service for Refrigeration and Heating SystemsAssembly | – | – | – | – | – |
Additional services
Reference customers
Quality
Rütgers is certified according to DIN EN ISO 9001 and is certified as an operator under the Pressure Equipment Directive 2014/68/EU as well as in accordance with the Chemicals Climate Protection Ordinance. Product quality is ensured through targeted selection and continuous testing of supply partners.
| Evidence | Mannheim |
|---|---|
| DIN EN ISO 9001 | |
| Pressure Equipment Directive 2014/68/EU | |
| Chemicals Climate Protection Ordinance |
Company History
- 1919
Founded as a wholesale business for electrical and household appliances in Mannheim
- 1927
Opening of the refrigeration technology department with customer service
- 1959
Sole sales rights from Frigidaire and Carrier for the Rhine-Neckar region and southwestern Germany
- 1994
Rütgers becomes a distributor of McQuay International
- 1997/98
Merger with AIRCOOL Klimatechnik GmbH in Freiberg/N; expansion of the location network across all of Germany
- 2014
Rütgers becomes the sole distributor of KTK in Germany
- 2017
Rütgers becomes the sole distributor of Shuangliang in Germany
- 2018
Move into the new Rütgers building in Mannheim