The Story Behind Water Softening
Since 1921, the Culligan name has been synonymous with better water. Learn more about our innovative, exciting beginning.
Early Softener
January 1, 1921

1921 Emmett Culligan builds a homemade water softener using two coffee cans and zeolite sand.
Culligan Water Company
January 1, 1936

1936 Culligan opens in Northbrook, Illinois.
Portable Exchange Softener
January 1, 1938

Culligan introduces the portable exchange (PE) water softener by innovating lightweight tanks and carts.
World War II
January 1, 1942

The government asks Culligan to produce silica gel, used to dehumidify moisture sensitive equipment.
Hey Culligan Man!
January 1, 1953

The “Hey, Culligan Man” concept is conceived.
Culligan Expands International
January 1, 1966

The International convention was held in Berlin and welcomed 250 delegates from 19 countries.
Drinking Water System
January 1, 1967

Culligan introduces the first mass-produced reverse osmosis water treatment system.
50th Anniversary
January 1, 1986

Culligan celebrates 50 years in business.
Bottled Water
January 1, 1988

Culligan made its move into bottled water for home and office, adding bottle delivery for customers.
Consumer Digest Best Buy
January 1, 2003

The Gold softener sets new efficiency standards and becomes Culligan’s highest volume softener.
Aqua Cleer Launched
January 1, 2008

The Aqua Cleer RO has more than 100 configurations that allow customization for most water conditions.
HE Softeners and Filters
January 1, 2010

Culligan releases the the Culligan® HE, the World’s most efficient water softener.
ClearLink PRO
January 1, 2018

The ClearLink PRO:tm: is Culligan’s newest reverse osmosis water system accessory that works to get you cleaner, better-tasting drinking water at the touch of a button.
Tankless Reverse Osmosis
January 1, 2019

The high-quality water you want with the space-saving design your home needs.
Salt-free Conditioner
January 1, 2020

Uses a technology that naturally conditions water and minimizes scaling without the need for backflushing or salt.