Water deionizers

Provide high-purity water where it matters most.

Access advanced solutions that reduce conductivity, costs, chemical use and scaling while improving equipment lifespan and return on investment.
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Discover world-class water deionizing systems.

Whether you need to optimize manufacturing processes or increase cycles of concentration in your boilers, Culligan water deionizers combine advanced equipment and technical expertise to meet your unique requirements.

Portable deionizer systems

Portable exchange deionization reduces on-site labor and provides quality water without a capital investment.

Automatic deionizer

Reduce unwanted contaminants through automated deionization and regeneration processes.

Continuous electro deionization

Avoid harsh chemicals and leverage environmentally friendly technology to deionize your water supply.

The Culligan commitment.

At Culligan, we’re the global leader in providing cleaner, safer, soft water for a reason: since 1936, we’ve been focused on delivering innovative, sustainable solutions and unparalleled service. Today, we serve 170 million customers globally, with 35 billion liters of water filtered through Culligan solutions every year.

See why leading businesses count on Culligan.

“Excellent service, very affordable,

and the best water anywhere!
— Grizzly Bear Golf Cars, MO

“The service has been phenomenal.

Culligan has gone above and beyond to help us when we were in a pinch.
— Speedy Mart, SK

“Long history in the business,

products for every problem.
— Bradshaws Corner LLC, OK

Deionized water system FAQs

What is the difference between auto deionizer water systems versus portable exchange?

What chemicals do I need to operate a deionizer?

What kind of water quality can I expect from a deionizer?

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Optimize performance across your operation with tailored solutions from Culligan.

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