Get Started with a Free Water Consultation


Water Deionizers

Reduce total dissolved solids (TDS) and enjoy high-purity water from a Culligan Water® system that is easy to use and maintain. These advanced solutions reduce conductivity, costs, chemical use and scaling while improving equipment lifespan and return on investment.

Discover World-Class Water Deionizers

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 Exchange Deionization

Reduce on-site labor and enjoy a constant supply of 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.

Why Choose Culligan Deionizers

Culligan deionizers include exclusive technology, like historical operating data, alarm recognition and more, that can improve business productivity. Local Culligan dealers can help customize water treatment plans to meet your needs and seamlessly integrate it into your process.

Water Deionizer FAQs

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

What chemicals do I need to operate a deionizer?

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

Elevate Your Business with End-to-End Solutions

The Culligan Water Commitment

At Culligan Water, 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 50 million customers every year with our network of professionally trained technicians, industry-leading warranties and a 30-day 100% Satisfaction Guarantee.

Contact Us Today

Fields marked * are required fields.