ONI-Wärmetrafo GmbH

Booth number 22B30


Planning, engineering and installation in the sectors process cooling and chilling, heat recovery, ventilation systems, cleanroom technology and tool temperature control.

About us

Our service portfolio ranges from project consultation to expert planning and engineering all the way to construction and installation as well as after-sales services in the sectors machine cooling, process cooling and chilling, heat recovery, ventilation systems, air conditioning systems, cleanroom technology, compressed air supply, machine optimization, and tool temperature control. Our continuous success is due to a growing number of customers in Germany and abroad who are able to substantially reduce their energy costs with our energy saving ONI systems solutions. We’re particularly proud of the numerous national and international awards we’ve received as well as the acknowledgment of our corporate performance and our high level of innovation by top ranking representatives of the federal and state governments. For example, by the Federal President, the Chancellor, the President of the Federal Parliament, or the Ministers for Economic Affairs, Energy, the Environment, and Labor.

ONI-Wärmetrafo GmbH
Niederhabbach 17
51789 Lindlar

Phone: +49 2266 47480
Fax: +49 2266 3927
Internet: www.oni.de

Contact person

Andreas Burkelc
Area Sales Manager Export
Phone: +49 2266 4748131

Products & Services

Our range of products

  • Cooling/chilling systems
  • Heat recovery
  • Air conditioning/ventilation systems
  • Clean-room technology
  • Compact chillers
  • Temperature control systems
  • Power optimization
  • Water treatment
Cooling system

Energy-optimized cooling system for feeding production machines as
well as air-conditioning and ventilation systems. With heat recovery for
using cost-free waste heat and a non-glycol winter relief for reducing
the power consumption of chillers

Modular energy center

Modular energy center for the cooling and cold water supply of a
plastics processing company. The chiller is in its winter sleep and is
replaced by an ONI winter relief.

Dynamic mold temperature control technology

RHYTEMPER® temperature control systems shorten the
Cycle times to a minimum and monitor
the manufacturing process permanently! In practice
average cycle time reductions
achieved by 18%.

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