Wisconsin, USA
Redefining the future of sustainable showering pleasure.
SYSTEM INSTALLED
H300
Hydraloop residential unit
360 L
treatment capacity per day
45%
Less fresh water. Every day.
The story
Our client wanted a net zero energy ready home and the ability to recycle graywater. Our research yielded Hydraloop, the best solution possible for our client.
Douglas B Johnson, Ph.D., CPHT , Owner, KeenWorks LLC
How it came to be

How it works in this home
Water from showers and the bath flows directly into the unit — no extra effort, no change to daily routine.
The patented aerobic bioreactor removes bacteria and impurities to NSF/ANSI 350R standard. No filters to replace, no chemicals added.
Treated water is automatically routed back for toilet flushing and the washing machine — saving up to 45% of fresh water, every day.
Compact residential unit — designed for homes, apartments, and smaller builds.
What changes in daily life
Showers, baths and washing machine
Input sources
Toilet flushing and washing machine
OUTPUT SOURCE
360 liters
treatment capacity per day
Zero compromise
same comfort, certified quality — nothing feels different
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