What is Onsen?
Onsen is a pioneering force in the management and environmental monitoring of public pools, aquatic centers, hospitality, and balneo facilities. For over 14 years, this innovative company has been delivering cutting-edge solutions that blend technology with environmental awareness. At its core, Onsen offers a patented high-tech equipment system designed to optimize water and energy management in a way that’s both eco-friendly and economically sound. Their approach is collaborative, working closely with clients and internal teams to ensure every project is a success. Simply put, Onsen stands for innovation and technological expertise, combining performance and efficiency with a strong commitment to sustainability.
Main Benefits of Onsen’s Solutions
Onsen’s impact is measurable and impressive. Here are some key figures and facts that highlight their achievements:
- Nearly 7 GWh of energy saved each year across all sites equipped with their Axone system.
- Hippocampe®, their digital platform, enhances water management, energy efficiency, regulatory compliance, and air quality in pools.
- Introduction of IWA, the new generation of filtration technology, pushing the boundaries of pool maintenance.
- Reuse solutions (REUT) that enable the reuse of treated wastewater, promoting sustainable resource management.
The Hippocampe Platform: Unlocking Pool Potential
The Hippocampe platform is a game-changer in aquatic facility management. This digital tool is designed to unleash the full potential of any pool by providing comprehensive control over water quality, energy use, and air quality. It also ensures compliance with regulations, making life easier for pool managers. With Hippocampe, facilities can monitor and optimize their operations in real-time, leading to better resource management and cost savings. It’s like having a smart assistant dedicated to keeping pools running smoothly and sustainably.
Connectable Equipment for Sustainable Resources
Onsen’s range of connectable equipment is tailored to support sustainable resource and energy management. Their flagship products include:
- Axone: A system that has already saved nearly 7 GWh annually, proving its effectiveness in energy conservation.
- IWA: Representing the next generation of filtration technology, designed to improve water quality while reducing environmental impact.
- Reuse (REUT): Innovative solutions that enable the reuse of treated wastewater, helping facilities reduce their water footprint.
Expertise from Start to Finish
Onsen doesn’t just provide equipment; they master the entire chain of services to support clients from the initial design phase through to realization, installation, and ongoing monitoring and training. This comprehensive approach ensures that every project is tailored 100% to the client’s needs. Their expertise guarantees concrete and fast results, making sure that the benefits of their technology are fully realized and maintained over time.
Project Impact on Sustainable Development Goals (SDGs)
- SDG 6: Clean Water and Sanitation – Through advanced water management and reuse solutions.
- SDG 7: Affordable and Clean Energy – By saving energy with systems like Axone.
- SDG 9: Industry, Innovation, and Infrastructure – Via cutting-edge filtration and digital platforms.
- SDG 11: Sustainable Cities and Communities – Supporting sustainable aquatic centers and public pools.
- SDG 12: Responsible Consumption and Production – Encouraging efficient resource use and waste reduction.
- SDG 13: Climate Action – Reducing environmental impact through energy and water optimization.
Onsen’s Commitment and Client Collaboration
At the heart of Onsen’s success is a strong commitment to collaboration and environmental responsibility. Their teams work hand-in-hand with clients to deliver solutions that are not only innovative but also practical and sustainable. This partnership approach ensures that every project benefits from shared expertise and a mutual dedication to protecting resources. Onsen’s commitment extends beyond technology—it’s about fostering a culture of sustainability and continuous improvement in the aquatic industry.





















