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Higher Quality Water = Better Tasting Beverages with CapDI!

Voltea’s DiUse© is a miniaturized version of our industrial and commercial CapDI© Systems, specifically made for Point-of-Use (PoU) applications. DiUse softens and purifies brackish water sources such as municipal, tap and fresh water for commercial businesses at an advantage to traditional desalination technologies due to it being a salt-free, chemical-free, tunable alternative. DiUse is taking the HoReCa (Hotel/Restaurant/Cafe) and Coffee industries by storm!

Did you know that coffee is made up of about 98% WATER? 

“In the coffee business, water can be our best ally or our worst enemy. Water can add to, or subtract from, the quality of a cup of well-prepared coffee. It is also important to acknowledge the impact water can have on the performance and longevity of brewing equipment.” - David Beeman, 2011.

After much research and many studies, it is known that coffee has the best flavor from water with a controlled range of minerals. Depending on the coffee type and its origin, that mineral range varies by water source. 

Voltea’s DiUse Systems, run with our patented CapDI technology, tunably remove salt and other minerals from water, allowing your coffee, cappuccino and  espresso to taste their absolute best. CapDI is the perfect tunable softening solution for attaining that perfect cup of coffee, everytime! 

Wait, there’s more! DiUse Systems can also tunably soften water for breweries, soda fountains, ice machines, tea and many other types of beverages that could benefit from consistent high-quality water!

There are many other applications that our DiUse Systems can benefit and allow product differentiation! Spot-free rinse for dishwashers, car washes and other valuable equipment is essential for longevity and functionality in any industry. Here are some examples of industries and applications DiUse serves: 


    - Coffee Machines

    - PoU Fountain Machines

Craft Beer/Breweries:

    - Tunable Water Softening

    - Controlled Water Quality

    - Product Differentiation 


    - Dishwashing Machines

    - Clothes Washing Machines

    - High-Quality Drinking Water

Commercial & Industrial:

    - Grocery Store Misters

    - Mist Cooling Systems

    - Small Boiler Feed

Spot-Free Rinse:

    - Dishwashers

    - Solar Panels

    - Vehicles

Benefits of DiUse:

- Consistent product pour after pour

- Reduced downtime for descaling of coffee machines, ice machines and dishwashers

- Reduced filter replacement costs

- Reduced service costs

- No more running water purification filters past their service life

- No harsh chemicals!

Brands: CapDI, DiUse, Capacitive Deionization, Membrane Capacitive Deionization,

 Press Releases

  • NSF designation confirms DiUse and DiEntry systems are approved for consumer-related use  

    Voltea, the global leader in membrane-capacitive deionization (CapDI©) electro-desalination technology, announced today it has received the world’s leading water certification and listing for its DiUse©and DiEntry©water treatment systems – NSF/ANSI 42 approval from National Sanitation Foundation (NSF) International.

    Businesses and consumers should take note that this confirmation from the leading independent public health and safety organization makes it possible for Voltea to sell its DiUse and DiEntry units for potable drinking water purification in residences, restaurants, hotels, cafes and all drinking water applications.

    “Earning NSF certification and listing for both DiUse and DiEntry is a huge achievement representing enormous value creation for Voltea’s customers and shareowners,” said Voltea CEO Bryan Brister. “NSF is extremely thorough – this certification is similar to a new drug receiving FDA clearance and gives business owners and homeowners peace of mind that these systems meet the most stringent health regulations for any drinking water application anywhere in the world.”

    DiUse and DiEntry each went through hundreds of thousands of cycles of operation to ensure the mechanical integrity of the systems under hydraulic pressure and were subjected to exhaustive leach testing ensuring all wetted surfaces were appropriate for drinking water applications. This rigorous procedure determines that products are safe for use and that they deliver the gold standard according to NSF/ANSI 42 Listing.

    This significant milestone makes Voltea the first and only manufacturer worldwide to have an NSF-certified and listed product with patented CapDI technology. The certification also paves the way for Voltea’s technology to be used in consumer products such as dishwashers and washing machines.

    Voltea’s point-of-entry system, DiEntry, is the next generation residential water treatment system that uses Voltea’s tunable, high recovery, energy-saving CapDI technology to provide complete control over the quality and taste of a home’s water while reducing environmental impact. The system uses no salt or chemicals, wastes less water than other traditional purification technologies, and can be perfectly tuned to provide on-demand purified water.

    Just like DiEntry, Voltea’s point-of-use system, DiUse, monitors incoming water quality and “tunes” water in real time to the ideal mineral content. Despite variations in incoming water characteristics, DiUse and DiEntry self-adjust to ensure they deliver consistent, precise water quality with improved taste for the perfect cup of coffee, tea or fountain drink.

    Founded in 1944, NSF conducts extensive product testing for not only drinking water applications but food equipment, building materials, appliances and home products, automotive parts and more. This sought-after certification involves an exhaustive, time-intensive testing process that is extremely thorough, evaluating every aspect of a product, which is part of what makes the achievement of certification so monumental. 

    “The NSF/ANSI 42 certification and listing for each product is something we are proud of achieving,” Brister said. “This shows thatDiUse and DiEntry are superior water treatment systems that meet the absolute highest quality and safety standard for drinking water applications. Our customers are worth it.”

    To learn more about Voltea and its newly NSF listed products, visit www.Voltea.com

    About Voltea 

    Voltea has been delivering electro-desalination water treatment equipment to institutional, commercial and industrial customers for more than 10 years. Voltea’s CapDI©systems remove dissolved salts from water using electricity with less environmental cost than any other available technology. Voltea was recently named Breakthrough Water Technology Company of the Year at the 2018 Global Water Summit in Paris. Previously, the company was recognized as one of the 21 Technology Pioneers 2013 at the World Economic Forum, listed in the 2011 Global Cleantech 100 and won the best new technology award at the 2010 Global Water Summit. 


  • DiUse©
    Voltea's water purification technology, DiUse©, is specifically made for the HoReCa industry! It monitors incoming water quality in real time and self-adjusts performance to ensure it delivers consistent, precise water quality with improved taste....

  • Voltea, the global leader in electro-desalination water treatment technology, is seeing strong interest from hotels, restaurants and cafes in its new, point-of-use DiUse© system for coffee, fountain drink and drinking water applications. Incoming water is “tuned” to the ideal salinity to match the application, and remains perfectly tuned even through variations in incoming water characteristics.  DiUse is considered point-of-use because the system is installed at the point where the water source is connected to the equipment. 

    “Even municipal water quality varies, so the ability to deliver water that is pure with a consistently tuned taste profile regardless of these variations is tremendously valuable. DiUse water is perfectly suited to the application, such as water for a consistently great coffee, tea or fountain drink. We’re proud to see world-renowned establishments in Europe, the United States and beyond use DiUse to improve the quality of the beverages they serve,” said Voltea CEO Bryan Brister. “Our salt-free, chemical-free, tunable water treatment solution offers true differentiation for our customer’s brands.”

    DiUse is a miniaturized version of Voltea’s industrial and commercial CapDI© systems, which run with patented CapDI technology. The system monitors incoming water quality in real time, and self-adjusts performance to ensure it delivers consistent, precise water quality with improved taste. The technology is a simple, two-step process wherein water flows between electrodes. The electrode surfaces are separated from the water by ion-selective membranes that allow positive or negative ions (salts) to pass. The systemis tunable, allowing adjustable salt removal and continually adjusts to account for any fluctuations in feed water characteristics.

    “Best-in-class hotels, restaurants and cafes are notoriously demanding when it comes to consistency of the customer experience—whether that is the perfect cup of coffee or tea, or a refreshing fountain beverage. Their embrace of Voltea’s DiUse system is proof positive of its efficacy,” concluded Brister. 

    Other applications for Voltea’s DiUse system include:

    • Grocery store misters
    • Mist cooling systems
    • Spot-free rinse for solar panels, vehicles and dishwashers

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