Special heat exchangers for refrigeration and air conditioning
We develop and manufacture heat exchangers made to measure: from air heaters to gas-tight custom builds for industry, research and naval applications.
Heat exchangers for every task
From series products to one-off designs: we design every heat exchanger to your operating data.

Air heaters
For plant engineering, refrigerant operation, pumped hot water and glycol, and wastewater treatment.
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Air coolers
Compact cased air coolers for cold stores and storage rooms, easy to maintain.
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DX evaporators
Air coolers as direct expansion evaporators in stainless steel for duct and unit installation.
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Dry coolers and condensers
Air-cooled refrigerant condensers and dry coolers, from small units to industrial systems.
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Shell and tube heat exchangers
For high pressures and large temperature differences, as U-tube or straight tube.
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Coaxial heat exchangers
High transfer capacity in a very small space for plant and equipment construction.
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Plate systems
Modular evaporator plates for ice storage and process cooling.
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Run-around coil systems
High-performance heat recovery with up to 90 % efficiency.
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Custom designs
Gas-tight, fully welded, highly heat-resistant: solutions beyond the standard.
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Your partner for tailor-made heat exchangers
Since 1954 Karl Hermann Schadek has been developing and producing heat exchangers for refrigeration and air conditioning. As a partner to industry, research and the armed forces, we focus on individual developments, from single components to complete systems.
- Modern production machinery
- Reliability and technical expertise
- Highest quality
- Thermodynamic know-how
In use where it matters
Our heat exchangers work in hospitals and data centres, in food production, in wastewater treatment plants, on oil rigs and in submarines.
View references- Industry
- Chemicals and pharma
- Medical technology
- Food
- Power generation
- Automation
- Automotive
- Communications technology
- Aerospace
- Naval and defence
News from KHS Schadek

KHS Schadek impresses at Chillventa
A strong presence at the leading trade fair for refrigeration, air conditioning, ventilation and heat pumps: many expert talks and strong interest in CO2 solutions.
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70 years of Karl Hermann Schadek
Since 1954 the company has stood for quality, technical precision and innovation in heat transfer.
Read moreDo you have a special requirement?
Talk to us about your project. We advise you personally and develop the right solution, including one-off designs.
