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Sign upThe Solutions Explorer lets you create alerts that match your needs. You can create several alerts and you will receive a notification each time a new Solar Impulse Efficient Solutions is labeled and matches your filters.
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A showerdrain that reclaims up to 60% heat energy from used shower water by pre-warming the fresh cold water
Reclaim valuable heat energy from used shower water by pre-warming the fresh water before it arrives at the mixer. The shower drain Joulia has to be connected to the freshwater. By means of a heat exchanger module, the heat energy of the used shower water is reused to warm the incoming cold water mains. In this way, the cold water arrives at the mixing valve up to 20°C warmer than before (from 10°C up to 30°C). Therefore, substantially less hot water is needed. Joulia-Inline is sold with either 3 or 5 heat exchanger tubes, and Joulia-Twinline with 6 or 10 which you can select depending on whether maximum efficiency or minimal installation height is more important.
Joulia-Inline & Joulia-Twinline by Joulia SA
Implemented by Freilager in Zurich (Switzerland) in 2022
The City of Zurich implemented 47 Joulia-Inline shower drains in its brand new school facility “Freilager” in 2022. Some of these drains are made of special stainless steel in order to resist chlorine air in the swimming area. The facility is built under the Minergie-P-Eco label with low energy consumption. A local district heating using waste heat from a data center and heat pumps supply the facility. The showers are not only used by the school, but are as well open to the public in the evening.
Result
Recovery rate of up to 42% of otherwise lost heat from the showers
Joulia SA
How can one shower in comfort while still saving energy? With Joulia, the shower drain with heat recovery.
View company profile Solution websiteThe Enterprise Europe Network
The Enterprise Europe Network helps businesses innovate and grow on an international scale. It is the world’s largest support network for small and medium-sized enterprises (SMEs) with international ambitions.
View partner profileCleantechAlps
As an expert for the innovation scene in energy and environmental technologies, CleantechAlps (Sion, Switzerland) is a hub for the cleantech ecosystem, connecting its stakeholders with relevant partners.
View partner profileThe Climate Innovators Network by Kite Insights & Leading Edge Only (LEO)
Solar Impulse has teamed up with Kite Insights and Leading Edge Only to bring together an exciting new global ecosystem for climate innovation, designed to scale industry-leading solutions: The Climate Innovators Network.
View partner profileThe information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances.