Portfolio
From urban to alpine areas, from tiny houses to mountain lodges to tennis courts fertilised by Aurin. Browse through our diverse project portfolio.
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Clients
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Years in Business
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Projects
Lidernenhütte SAC
Planning and construction supervision of a trickling filter system for the treatment of total wastewater as well as sludge treatment beds for the treatment of sewage sludge.
Period: 2022 – 2024
Technology: Trickling filter, grease separator, sludge treatment, substrate filter, worm/substrate filter
Client: SAC Mythen Section
Location: Sisikon UR
Residential building in Solothurn
Planning and construction support for a drinking water treatment system, vermi- and plant filters for greywater treatment, and dry toilets. The water and sanitation systems are completely self-sufficient.
Period: 2022 – 2025
Technology: Vermi-/substrate filters, plant filters, dry toilets, drinking water
Client: Private
Location: Winznau SO
Zero Waste Space
Planning and construction of plant filters, dry toilets, and drinking water treatment systems to close water cycles in a modular, sustainable construction project.
Period: 2020 – 2023
Technology: Plant filters, dry toilets, drinking water
Client: Muthesius Academy of Fine Arts
Location: Kiel DE
Gloria Coworking
Vuna designed and installed a dry toilet system for a coworking space, demonstrating that a waterless alternative is also suitable for urban spaces.
Period: 2022
Technology: Dry toilets
Client: gutundgut gmbh
Location: Lenzburg AG
Täschhütte SAC
The Sanisphère dry toilet facility is maintained by Vuna.
Period: Since 2022
Technology: Dry toilets, grease separators
Client: SAC Section Uto
Location: Täsch VS
Residential house in Neuchâtel
Planning of a vermi- and plant filters for the treatment of total wastewater from a residential building.
Period: 2021 – 2024
Technology: Worm filter, plant filter, worm/substrate filter
Client: Private
Location: Narrow NE
Leutschachhütte SAC
Planning and construction supervision of the decentralized small sewage treatment plant with vermi- and trickling filters in underground tanks.
Period: 2022 – 2024
Technology: Trickling filter, grease separator, vermi-/substrate filter
Client: SAC Section Zimmerberg
Location: Gurtnellen UR
Holiday home in the Bernese Oberland
Total wastewater treatment for a holiday home at 1805 m above sea level using a vermifilter and plant filter.
Period: 2023
Technology: Worm filter, plant filter
Client: Private
Location: St. Stephan BE
Maiensäss in Graubünden
Planning and construction supervision of the wastewater solution for the replacement construction of a remote holiday home at 1350 metres above sea level. Waterless urine-diverting toilet with drum filling of solids; planted carbon filter for grey water and urine.
Period: 2021 – 2023
Technology: Plant filters, dry toilets
Client: Private
Location: Untervaz GR
Blüemlisalphütte SAC
The filter system provides a reliable source for drinking water, making helicopter flights to supply bottled water superfluous. Dry toilets have also been installed to save even more water.
Period: 2020 – 2024
Technology: Dry toilet, grease separator, drinking water
Client: SAC Blüemlisalp Section
Location: Blüemlisalp BE
La Bistoquette
In the urban settlement of La Bistoquette, composting toilets separate waste streams and close the cycles for urine, solid waste, greywater, and rainwater. A pioneering project for the circular settlements of the future.
Period: 2021 – 2025
Technology: Urine treatment, plant filter
Client: Coopérative Équilibre
Location: Plan-les-Ouates GE
Hohganthütte SAC
Planning & construction of a dry toilet system with urine & grey water treatment for the Hohganthütte SAC.
Period: 2018 – 2020
Technology: Worm/substrate filters, dry toilets
Client: SAC Emmental Section
Location: Habkern BE
ESA main building
Planning of separate collection and treatment of urine in the new ESA (European Space Agency) headquarters in Paris.
Period: 2018 – 2025
Technology: Urine treatment
Client: ESA
Location: Paris
Oberes Brüggli mountain restaurant
Planning and integration of a decentralised small sewage treatment plant consisting of a vermifilter and a plant substrate filter.
Period: 2018 - 2022
Technology: Vermi-/substrate filter, plant filter, grease separator
Client: Jowissa AG
Location: Selzach SO
Phytotiny for the Freyja
Planning and construction of our mobile wastewater treatment garden Phytotiny for the purification of grey water in the Freyja (mobile micro-living form of Wohnwagon). In co-operation with Aquatiris.
Period: 2019
Technology: Plant filters, dry toilets
Client: Private
Location: Münsterlingen TG
Chamanna da Grialetsch SAC
Consulting & planning of a dry toilet system with urine & grey water treatment for the conversion of the Grialetschhütte SAC, as well as installation of an ultrafiltration system for drinking water treatment.
Period: 2020 – 2021
Technology: Dry toilets, trickling filters, sludge treatment, grease separators, drinking water
Client: SAC Davos Section
Location: Zernez GR
Votre cercle de vie
Complete water and nutrient recycling with our urine recycling technology, vermicomposting and grey and rainwater treatment. An extraordinary project that combines agriculture and tourism.
Period: Since 2023
Technology: Vermi-/substrate filter, trickling filter, grease separator, drinking water, reuse
Client: Fondation Esprit Ensemble
Location: Château-d'Oex VD
KREIS House
Planning & construction of a dry toilet system and drinking water treatment from rainwater for the ZHAW circulation house.
Period: 2021
Technology: Dry toilets, trickling filters, drinking water
Client: Synergy Village, ZHAW Wädenswil
Location: Feldbach ZH
Geneva Agricultural School
Fertilisation of various vegetable and berry crops in a vertical hydroponic system with Aurin, Vuna's recycled fertiliser made from urine.
Period: 2019 – 2020
Technology: Urine treatment
Client: École d'horticulture de Lullier
Location: Lullier GE
Wildhorn Hut SAC
Vermicomposting at the Wildhornhütte (2303 metres above sea level). Planning the conversion of the first Sanisphère conveyor belt toilet system (1999) from bag filling to vermicomposting.
Period: 2018 – 2019
Technology: Dry toilets
Client: CAS section Moléson
Location: Lenk BE
Phytotiny in Bürchen
Planning and construction of our Phytotiny treatment garden for treating greywater from a residential building in Valais. The treated water is reused for watering the garden.
Period: 2021
Technology: Plant filter
Client: Private
Location: Bürchen VS