Heat Recovery
Our heat recovery systems are used worldwide by customers across a wide range of industries. This not only helps customers reduce their energy costs but also makes a significant contribution to reducing their environmental impact. Find out more—free of charge and with no obligation—about the possibilities for utilizing waste heat in your business!
Industrial heat pumps
Industrial heat pumps offer businesses an efficient solution for heating and process heat—especially when waste heat is used as a heat source and the goal is to reduce energy costs.
Combined heat and power plant
As a system supplier, ONI-Wärmetrafo GmbH offers you a wide range of services from a single source. This includes the integration of an existing CHP plant or the design of a new one. We have already completed numerous projects involving combined heat and power plants and would be happy to present you with a system solution tailored to your needs and based on our experience.
Energy-efficient cooling systems tailored to your needs
Let our experts advise you and schedule a no-obligation consultation today. We look forward to designing a system for you.
Rental refrigeration systems / Rental chillers
Do you need additional capacity on short notice, or are you planning a renovation that requires a flexible cooling solution? Then get in touch with us!
Container Refrigeration Systems
Demand for modular energy centers has risen rapidly in recent years. The reasons for this trend can certainly be found in the quick availability, flexibility, and space-saving design of these high-performance ONI systems. From cooling and chilled water to heating and compressed air supply—including pumps, tanks, and control units—the entire system is arranged in a compact, space-saving manner within modular units.
Refrigeration Equipment & Technology
A reliable and energy-efficient supply of cooling water for production is a top priority for any business. That is why more and more companies around the world are choosing our energy-optimized and highly reliable cooling system technology
Highly efficient ventilation systems and room air conditioning systems
Our ventilation systems and room air conditioning systems feature state-of-the-art technology and meet the highest standards for efficiency and reliability.
Cleanroom Technology
The need for a cleanroom environment, where exposure to airborne solid or liquid particles is minimized, usually stems from product-specific or hygiene requirements. The range of industry-specific requirements is broad, and the associated system engineering is correspondingly complex.
Ice storage
Almost every industrial facility generates waste heat. Use our heat recovery systems to harness this energy for heating your offices, factory floors, and much more.
Battery storage in a container
A container-based battery storage system is a scalable storage solution that ensures flexible access to electrical energy during operations.
Compressed air systems
A reliable and efficient compressed air supply is a top priority for industrial companies. In this context, “reliable” also means generating and supplying compressed air in the quality and quantity required for production processes, machinery, and equipment.
Cooling water for industrial facilities
Cooling water in industrial systems: hydraulics, standards, operational and process safety, and energy efficiency in the recirculation cooling loop with ONI-PowerSave.
Cooling Water Treatment for Industrial Facilities
Cooling water treatment for reliable cooling systems: Stabilize water quality; reduce corrosion and scale buildup.
Temperature Control Technology with Rhytemper®
Optimal manufacturing process. The unit costs of die-cast and injection-molded parts are largely determined by mold temperature control! This is because mold temperature control has a direct impact on process stability, product quality, and cycle time.
EtaControl®: Energy Efficiency in Manufacturing
EtaControl® from ONI helps plastics processors quickly reduce energy costs.
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