# Compact Recycling Water Closets This Eco Bathroom Concept Reduces H2O Consumption By Amelia Roblin | Published 2011-07-19 | Eco Source: Trend Hunter, https://www.trendhunter.com/trends/eco-bathroom-concept References: [designbuzz](http://www.designbuzz.com/entry/eco-bathroom-helps-eco-conscious-recycle-water/) & [coroflot](http://www.coroflot.com/michaelpassos/Rendering/39) A significant portion of household water consumption occurs in the washroom, which is where projects like the Eco Bathroom concept come in handy. Together, Michael Passos and Juliana Goncalves have suggested a clever system that performs as well as [modern plumbing](https://www.trendhunter.com/trends/smart-toilets) does, but requires significantly less liquid to function well. For increased efficiency, the [toilet and the sink](https://www.trendhunter.com/trends/one-piece-bidet-toilet) are actually brought together into one dual appliance with a shared tank and drainage. It seams that when someone washes his hands from the faucet, the basin stores the soapy water and reuses it to flush the next user's business down the pipe. This Eco Bathroom concept takes advantage of an incredibly simple recycling process that ought to be further explored for the sake of [conserving Earth's valuable liquid resource](https://www.trendhunter.com/trends/waste-no-space-campaign). ## Trend Insights (Trend Hunter) - Score: 4.1/10 - Popularity: 55% | Activity: 61% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: North America, Europe, Asia ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Eco](https://www.trendhunter.com/eco) ## Key Themes ### Key Themes Behind This Trend - **Water Conservation in Washrooms:** Opportunity for disruptive innovation in developing compact water closets that reduce H2O consumption. - **Integrated Toilet-sink Appliances:** Opportunity for disruptive innovation in creating dual appliances that combine toilets and sinks for increased efficiency. - **Recycling Greywater for Toilet Flush:** Opportunity for disruptive innovation in implementing the use of recycled greywater from sinks for flushing toilets. ### Where This Applies - **Bathroom Fixtures:** Opportunity for disruptive innovation in the bathroom fixtures industry by developing compact water closets that prioritize water conservation. - **Plumbing and Sanitation:** Opportunity for disruptive innovation in the plumbing and sanitation industry by creating integrated toilet-sink appliances that offer increased efficiency. - **Water Management and Conservation:** Opportunity for disruptive innovation in the water management and conservation industry by implementing systems that recycle greywater from sinks for toilet flushing. ## Related on Trend Hunter - [Closed-Loop Bathing Systems](https://www.trendhunter.com/trends/upfall-shower.md) - [Sustainable Bathroom Design Collections](https://www.trendhunter.com/trends/sustainable-bathroom-design.md) - [Water-Saving Shower Systems](https://www.trendhunter.com/trends/alu.md) - [Pressure-Sensitive Shower Systems](https://www.trendhunter.com/trends/smart-shower-concept.md) - [Sustainable Sand-Filled Toilets](https://www.trendhunter.com/trends/sandi-toilet.md) - [Compact Basin Designs](https://www.trendhunter.com/trends/archiplan-compact-basin-collection.md) - [Hygienic Auto-Flushing Toilets](https://www.trendhunter.com/trends/close-the-lid-toilet.md) - [Anti-Splashing Bathroom Fixtures](https://www.trendhunter.com/trends/modern-urinal-design.md) - [Powerful Vortex Toilet Bowls](https://www.trendhunter.com/trends/twistflush-toilet.md)