A pioneering French startup is transforming the everyday shower experience with an ambitious approach: enjoy warm water for as long as you please, without any needless water waste. Utilizing a closed-cycle filtration system that reuses only 5 liters of water, this recirculating shower merges comfort, eco-friendliness, and affordability within a modern design.
Simple Control, Continuous Recycling: The Shower’s Mechanism
The innovation revolves around an elegant system. Activating recycling mode via a button triggers a valve at the shower’s base to seal tightly.
Water that has already been used is gathered, circulated, purified, sanitized, and warmed inside the shower’s column. This processed water is then instantly recirculated back through the showerhead, creating a continuous water loop.
The filter can be easily detached for routine cleaning rather than replacement. Additionally, a heating element preserves water temperature throughout extended showers, ensuring user comfort at all times.
The shower offers two settings:
- Standard mode, where wastewater is drained—ideal for rinsing or when water quality is compromised.
- Recycling mode, perfect for relaxation, in which water circulates on site without relying on external plumbing.
Regarding hygiene, the makers caution: it's best to use standard mode during restroom breaks. “Otherwise, that would be like urinating in your shower,” they explain.
Reducing Water and Energy Consumption
Typical French showers use between 60 and 80 liters of water. This system can help users decrease both water and energy consumption by as much as 70%, a significant advantage amid rising utility costs.
For example, in Toulouse, water prices surged by 42% between June and September 2024 to curb drought-related overuse. In this context, a shower solution that allows prolonged comfort without excessive consumption becomes both innovative and essential.
From University Workshop to Market-Ready Product
This concept emerged not in a high-tech lab but from the bathroom of Antoine, one of the inventors. Together with a fellow INSA engineering student and close friend, he began designing prototypes during their final year. Their process was hands-on, filled with late nights, side experiments, and many refinements.
Initially a weekend passion project, it eventually evolved into a full-time endeavor. Now, after four years, the duo is gearing up for mass production with 10 units currently being fabricated.
They are currently verifying metal components and final assembly details to guarantee flawless construction and performance for their inaugural models.
Aspiring for Both Sustainability and Appeal
The creators emphasize their vision went beyond technical achievement—they aimed for cultural impact. Their goal is to demonstrate that environmental innovation can enhance lifestyle quality. Rather than urging people to shorten showers, they offer a responsible option to lengthen them. They hope this mindset shift will transform how people value their water consumption overall.
In most households, clean drinking water is used indiscriminately for tasks such as cleaning, cooking, and toilet flushing. The cyclical shower challenges this norm by showing how filtered and disinfected water can safely serve hygiene purposes while boosting efficiency.
The system also raises awareness about the energy behind water usage—from pumping and disinfecting to delivery and disposal. Saving every liter substantially lowers environmental impact on several fronts.
Cost, Savings, and an Eco-Conscious Approach
Priced at €3,000, the recirculating shower represents a long-term investment. The founders justify the cost by its French design and robust build quality. Their website includes a savings calculator that helps customers estimate potential returns based on local water and energy rates—much like tools used for solar panels or heat pumps.
While individual buyers currently don’t qualify for subsidies, the company anticipates future support through France Rénov’. Meanwhile, hospitality businesses and other organizations can access funding from ADEME, regional bodies, or water agencies.
National Recognition for a Breakthrough Innovation
In May 2024, their invention earned national acclaim: they secured second place at the Concours Lépine, along with a coveted gold medal for their advanced water sensor technology. For two engineers who began with only notebooks and tools, this achievement holds deep significance.
The accolade also honors their alma mater, families, and supporters who believed in reinventing an everyday space—commitment that starts with conserving every drop.
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