# Hydraloop

> Hydraloop is a Dutch water technology company that makes compact, in-home and in-building water recycling systems. Its certified, chemical-free devices collect and clean up to 85% of a household's water - from showers, baths, washing machines and air-conditioning condensation - and return it for toilet flushing, laundry, garden irrigation and pool top-up, cutting fresh water use and sewage output by up to 45%. Founded in 2015 by Arthur Valkieser and Sabine Stuiver, the company won CES 2020's 'Best of the Best' award and a 2022 UN WIPO Global Award, and sells decentralized greywater systems to homeowners, developers and the hospitality sector worldwide.

- **Founded:** 2015
- **Headquarters:** Leeuwarden, Netherlands
- **Founders:** Arthur Valkieser (Co-founder & CEO), Sabine Stuiver (Co-founder & CMO)
- **Team size:** ~38 employees
- **Products:** Hydraloop H300, Hydraloop H600, Hydraloop Cascade, Hydraloop App
- **Notable:** Won CES 2020 'Best of the Best', Best Startup and Best Sustainability Product awards in Las Vegas, Received a 2022 UN WIPO Global Award for innovation, Products certified to NSF/ANSI 350 and IAPMO R&T standards

## Products & services

- **Hydraloop H300** — Compact residential greywater recycling system with 300-litre capacity and ~360 L/day treatment, occupying about 0.8 sqm. Recycles up to 95% of shower and bath water for reuse in toilets, laundry, garden and pool top-up.
- **Hydraloop H600** — Larger-capacity 600-litre system for bigger homes and small commercial buildings, using the same six-stage, chemical-free, NSF/ANSI 350-certified treatment process.
- **Hydraloop Cascade** — Modular, scalable system that links multiple units for large buildings, hotels, apartment complexes and commercial applications with high water demand.
- **Hydraloop App** — IoT companion app that lets users set reuse priorities, monitor the recycling process in real time and track how much water they have saved.

## Achievements

- Won CES 2020 'Best of the Best', Best Startup and Best Sustainability Product awards in Las Vegas
- Received a 2022 UN WIPO Global Award for innovation
- Products certified to NSF/ANSI 350 and IAPMO R&T standards
- Featured in Netflix documentary 'Brave Blue World'
- Recycles up to 85% of in-home water and reduces water use and sewage by up to 45%
- Raised a €13.5M Series B to fund global expansion (2024)

## Latest updates

- **2024-03** — Closed a €13.5M Series B round, with a €10.5M investment led by Invest-NL, NV NOM and AMAVI Capital to fund R&D and global growth.
- **2022-01** — Received the UN WIPO Global Award recognizing its water recycling innovation.
- **2020-01** — Swept CES 2020 with the 'Best of the Best' award, beating major consumer-electronics brands.

## Links

- Website: https://hydraloop.com
- LinkedIn: https://www.linkedin.com/company/hydraloop
- Twitter/X: https://twitter.com/hydraloop
- YouTube: https://www.youtube.com/@hydraloopglobal
- Instagram: https://www.instagram.com/hydraloop_systems
- Facebook: https://facebook.com/hydraloop

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Profile page: https://yespress.io/hydraloop
Published by YesPress — https://yespress.io
Last updated: 2026-07-27