National Second prize winner


energy positive toilets


We developed a special solar composting and water-treatment biomass growing technology and on top of it, we designed a user friendly waterless toilet. The uniqueness of our toilets is the biological process that transforms humane waste into a valuable product. More we use it, more money we make. That’s why we call it energy positive toilets.

We have a private and public model toilet. The private models are for emerging market as off-grid and self-sustainable houses and the public models are for urban and natural places. Our toilets uses really small amount of energy and mostly everything is done automatically by gravity. Our toilets produces 99.5% less CO₂ in confrontation of flush or chemical toilets.

Quick facts

  • 2016 Participant
    Year of participation
  • Sustainable Land Use
  • Slovenia

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