ONI-Wärmetrafo GmbH

Niederhabbach 17
51789 Lindlar
PAV G1 / 042
PAV G1 / 042A
Trade fair:
Click on a highlighted pavilion to display the stand-location.


With 500 ONI employees, we offer our customers all services from a single source, from consulting, planning and construction of systems for cooling and refrigeration technology, heat recovery, air conditioning, ventilation and clean room technology, water treatment, mold temperature control technology to service.

Exhibitor's brands

ONI Temperiertechnik Rhytemper Heating technology

ONI-Wärmetrafo Cooling technology

Exhibitor's product categories

Product categorie: 03.22.05

Industrial fluid coolers

Our customers benefit from this by a constantly energy-optimized system technology at best possible reliability and an efficient price. Every cooling or chilling system designed by us has individually been customized to meet our customers‘ requirements and optimized for power consumption in the best possible way.

Product categorie: 15.02.14

Ancillary machines and equipment for the plastics and rubber industries

In more than 70 countries in the world customers rely on high-quality and energy-saving ONI system solutions.
Our program of products ranges from small chillers to large industrial plants today in the fields of machine cooling, process cooling, heat recovery, air conditioning, ventilation and clear-room technology, compressed air, machine optimization and temperature control.

Product categorie:

Heating technology

Reduce cycle times, cut unit costs!
RHYTEMPER® temperature control systems minimize the cycle times and monitor the production process permanently. In practical work reductions in cycle times of 18 % are achieved on an average. In some cases up to 40 % are achieved.

Product categorie:

Cooling technology

Even for smaller plant systems with cooling requirements from 5 to 160 kW needing water temperatures from 20°C and less at constant values over the whole year, our chiller series LKK, WKK and LKK-TE with PRO-Effizienz control system offers a complete range of systems.

Exhibitor's represented companies

ONI-Wärmetrafo GmbH