The Swiss market leader for innovative water treatment
Our water treatment systems define the state of the art. With a total of around 25 patent applications / patents in 6 patent families, we establish unique products on the market
Book a free consultationSwiss quality with up to 20 years warranty
Our offer
Drinking water
Improve the quality of your drinking water for more enjoyment in everyday life.
Domestic water
Limescale-free water for the whole house without the use of salt, electricity or waste water.
The company
The right water quality for you, your employees, your guests or even real estate projects.
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Reports and features
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Podcasts and interviews
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Why Evodrop?
We are already doing our best for over 30,000 customers.
More about our holistic concept- SWISS MADE & SWISS ENGINEERING
- All-round advice and service
- Up to 180 days money-back guarantee
- Up to 20 years warranty
- Patented technologies
- Highest quality standard through tests and studies
Innovation and experience
Through years of research and development with leading engineers in the field of water treatment, we have gained valuable and pioneering experience. This enables us to develop an individual and personalized water concept for each customer.
Prof. Dr. Alexander J.B. Zehnder Board of Directors Evodrop former Director EAWAG + former President of the ETH Board
Innovation and experience
Prof. Dr. Alexander J.B. Zehnder Board of Directors Evodrop former Director EAWAG + former President of the ETH Board
International patents
Our patents confirm our uniqueness and protect our approach.
Accredited methods
Our product quality is underpinned by state-of-the-art research methods.
Renowned institutions
Our effects have been proven and documented by various institutions.
List of institutions
Green Product Award
This award honors products that stand out through innovation and sustainability. We received the 2024 award from 250 nominated products.
Seal Award
In 2018 and 2021, Evodrop AG received the SEAL Award for special sustainability and environmental initiatives.
Prestige Award
In 2020, Evodrop AG was delighted to receive the "Water Filter Specialists of the Year!" - Award from the Switzerland Prestige Awards.
BIZZ Award
In 2020, we successfully received the BIZZ Award for leading companies from various regions.
Worldcob CSR
In addition to the BIZZ Award, we have also received the "Worldcob CSR" certification for sustainable corporate concepts.
Numerous companies value Evodrop
News from the world of Evodrop
Frequently asked questions
How does Evodrop descaling work?
Evodrop uses its own patented malic acid for descaling, which is contained in the filter cartridge in the form of granules. Thanks to innovative ion sieve technology, Evodrop achieves a limescale protection rate of up to 94.2% without the use of salt, waste water or electricity. Unlike seed crystals, swirlers or magnetizers, the limescale is not converted but filtered out of the water. This means that the annoying limescale can be collected and processed in the filter cartridge. The minerals calcium and magnesium bind to the malic acid and do not separate even when the water is boiled at 200 degrees. This means that no more deposits can form. 3 grams of malic acid are released per 1000 liters of water. Malic acid is an organic component of many fruits, but is mainly found in apples. In this respect, it is completely neutral and tasteless. The filtration material in the EVOdescale filters heavy metals to protect against corrosion and eliminates bacteria and viruses from the water. It is important to understand that limescale is no longer in the water and limescale deposits can no longer occur. A DVGW-accredited laboratory and the internationally renowned testing institute CTI have tested the Evodrop system and were able to prove a limescale protection rate of over 94%. The filtration was verified by SGS, the largest test report in the world.
How good are descaling systems without salt?
In summary, it can be said that up to now, alternative systems to conventional salt systems have unfortunately not worked satisfactorily.
Evodrop, however, takes a completely different approach, as it is the only alternative to salt systems that also demonstrably removes limescale from the water.
Which is better a decalcification system without salt or a softening system with salt?
Basically, you have to understand that there are a wide variety of providers on the market and that you cannot generalize this answer.
Unfortunately, most alternatives to salt systems are not very satisfactory, even though they have certain benefits for health and the environment, whereas salt has been proven to be harmful.
There are new solutions on the market such as Evodrop where, thanks to the specially developed and patented malic acid complex in the form of granules in the filter cartridge, a limescale protection rate of up to 94.2% can be guaranteed without the use of salt, waste water or electricity. Unlike with seed crystals, swirlers or magnetizers, the limescale is not converted, but is instead eliminated from the water. The progress made by softening using malic acid makes it possible to leave the harmless minerals, such as calcium and magnesium, in the water. Obsolete softening systems using salt, on the other hand, cannot intelligently differentiate between useful minerals and troublesome limescale and are forced to remove both.
Why does the water taste different after softening with salt?
Because sodium is released into the water. In the ion exchange principle, the important minerals calcium and magnesium are exchanged with sodium ions.
As a result, the water can taste salty. The sodium content quickly reaches the legal upper limit in hard water. The chloride content remains the same.
Is salt released into the water in salt systems, ion exchangers, softening systems?
Yes, that is why it is called softening. The softening process works through an ion exchange in which calcium and magnesium ions are exchanged for sodium ions. This introduces sodium into the water, which can raise health concerns. An increased sodium content in the water can be problematic for people with certain health conditions, such as cardiovascular disease or high blood pressure. The use of salt in water softeners also has environmental implications. The salt and the chemical additives used to regenerate the resins end up in the waste water and can pollute the environment. The disposal of the exchange resin as hazardous waste also poses an environmental risk.
Is regenerated salt from salt plants dangerous for people or the environment?
Although regenerated salt from salt plants is a natural product, it has to be chemically processed. Commercially available regenerated salt consists of at least 94 percent rock salt or table salt, i.e. sodium chloride (NaCl). However, it has no place on breakfast eggs - the salt is denatured, i.e. made inedible by the addition of additives. In addition to natural additives such as clay, calcium or magnesium sulphate, iron or potassium hexacyanoferrate is usually added to road salt as an anti-caking agent. It is a regenerating salt with the following warnings on the packaging:
- H412 - Harmful to aquatic life with long lasting effects
- P102 - Keep out of the reach of children:
- P315 - Get medical advice/attention immediately
- P101 - If medical advice is needed, have product container or label at hand
- P410 - Protect from sunlight
Not suitable for human or animal consumption.
Further manufacturer information on the regenerating salt
Better water within just 2 weeks
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Individual advice
Let our water experts advise you by phone or directly in the showroom without obligation.
Non-binding offer
We will provide you with an individual quote for the desired products with all costs included.
Delivery and installation
If you opt for Evodrop, you will enjoy a new water quality after just 2 weeks.
Non-binding advice from our water specialists