The Story Behind Water Softening
Since 1921, the Culligan name has been synonymous with better water. Learn more about our innovative, exciting beginning.
1921 Emmett Culligan builds a homemade water softener using two coffee cans and zeolite sand.
Culligan Water Company
1936 Culligan opens in Northbrook, Illinois.
Portable Exchange Softener
Culligan introduces the portable exchange (PE) water softener by innovating lightweight tanks and carts.
World War II
The government asks Culligan to produce silica gel, used to dehumidify moisture sensitive equipment.
Hey Culligan Man!
The “Hey, Culligan Man” concept is conceived.
Culligan Expands International
The International convention was held in Berlin and welcomed 250 delegates from 19 countries.
Drinking Water System
Culligan introduces the first mass-produced reverse osmosis water treatment system.
Culligan celebrates 50 years in business.
Culligan made its move into bottled water for home and office, adding bottle delivery for customers.
Consumer Digest Best Buy
The Gold softener sets new efficiency standards and becomes Culligan’s highest volume softener.
Aqua Cleer Launched
The Aqua Cleer RO has more than 100 configurations that allow customization for most water conditions.
HE Softeners and Filters
Culligan releases the the Culligan® HE, the World’s most efficient water softener.
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
The high-quality water you want with the space-saving design your home needs.
Uses a technology that naturally conditions water and minimizes scaling without the need for backflushing or salt.