System design that reduces energy costs—and makes decision-making easier.
We develop a system concept tailored to your specific needs that combines cooling, heat recovery, and energy optimization. We place particular emphasis on a holistic approach that ensures both efficiency and sustainability. Our solutions are based on a sound decision-making framework to achieve optimal results for your business.
A sound system design is based on operational requirements such as load profiles and space constraints. A detailed on-site analysis results in an integrated system that reduces operating costs and CO₂ emissions, minimizes interface risks, and supports grant eligibility—all tailored to current energy efficiency requirements.
Additional Services
“We utilize state-of-the-art technology in our design process and handle every step of the design—from conceptual planning to 3D construction planning—across all disciplines to ensure that there are no overlaps or conflicts between cooling systems, heating, HVAC, ventilation, cleanrooms, or compressed air.”
A system can only function reliably over the long term if all components are considered together. In the system design phase, we take dependencies and interfaces into account early on—from generation and distribution to control and integration into your processes.
The result is a coordinated overall concept rather than isolated solutions: fewer implementation hurdles, clear responsibilities, and a system that can be efficiently operated, maintained, and expanded later on.
Bernhard Gell | Project Manager | HILTI
“For over 20 years, ONI has been responsible for the installation and technical support of refrigeration systems at Hilti Kunststofftechnik GmbH. During this time, our experience working with them has been entirely positive, both in terms of their consulting services and the quality of their work and technical support.”
Bernhard Gell | Project Manager | HILTI
“For over 20 years, ONI has been responsible for the installation and technical support of refrigeration systems at Hilti Kunststofftechnik GmbH. During this time, our experience working with them has been entirely positive, both in terms of their consulting services and the quality of their work and technical support.”
Kunststoff- und Elektrotechnik GmbH
Kunststoff- und Elektrotechnik GmbH uses refrigeration systems from Oni-Wärmetrafo GmbH at its production site in Mönchweiler.
