Culligan of Merrillville

You could give your people Culligan Water.

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Rated 4.8⁄ 5  
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Monday: 9:00 AM – 5:00 PMTuesday: 9:00 AM – 5:00 PMWednesday: 9:00 AM – 5:00 PMThursday: 9:00 AM – 5:00 PMFriday: 9:00 AM – 5:00 PMSaturday: 9:00 AM – 5:00 PMSunday: Closed
Areas we serve:
Cedar Lake, Crown Point, Dyer, East Chicago, Gary, Griffith, Hammond, Hebron, Highland, Hobart, Lake Station, Leroy, Lowell, Merrillville, Munster, Saint John, Schererville, Schneider, Shelby, Whiting
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Your Merrillville Water Treatment Experts

We are Culligan of Merrillville, your water technology experts proudly serving east central Lake County. Our dealership specializes in providing water softeners, reverse osmosis systems, water coolers, bottled water, water filtering and softener salt delivery service to area homes and businesses. 


For 65 years, Culligan of Merrillville's mission has been to deliver high-quality water treatment products that will benefit every part of our customers' lives. We hope to raise the quality of life by purifying its most essential element: water.

We've seen about every water problem imaginable and we've solved these problems to deliver the refreshing, clean and pure water that's become our hallmark. Free of contaminants and minerals, water treated with Culligan softeners or filtration systems will make an impression on you and your household or work.

Culligan of Merrillville is a full-service water treatment company that serves the Merrillville, Saint John, Dyer, Lowell, Crown Point and Cedar Lake area. We offer quality products and expert service, and are involved in every phase of diagnosis and treatment as we improve the quality of water at your home or office. Loyal customers and skilled, hard-working and motivated employees are always the keys to any successful business. As our loyal customers have increased substantially, our staff has also grown. We are thankful to you, our customers, for our growth. We will continue to show you our gratitude to you by holding firm in our strong commitment—by always providing you with the best value, exceptional quality and unparalleled customer service that you expect from us.

Reviews for Culligan of Merrillville and St. John

Overall rating: 4.8⁄ 5

  • Matthew Kovacs

    Culligan is the best! Their prices are competitive and their service is second to none! Dan is friendly and straightforward. When I went in, I expected a whole speech on the biggest and the best reverse osmosis and water softener they offer. However, it was the opposite. He asked about how many family members I had and assessed my needs. Only after I asked him about the twin tank system, did he give me an option to purchase that. Dan is very knowledgeable! He explains things succinctly and clearly. And they offer 12 month 0% financing! Such a great company to work with. Thanks to Dan and the Culligan team!

  • Stan Sliva

    Walked in to the store off highway 41 and met Dan. Dan wasn't pushy and has a vast knowledge of his equipment. We closed on our house two days later and Forest the installer was here just liked Dan promised. Went with a water softener for the entire house and Reverse osmosis on kitchen sink and fridge. 10 yr warranty on the entire system. The entire staff is very friendly and they all are very knowledgeable. I would recommend culligan to anyone.

  • Cecil McQueen

    Stop by the Merrillville location to check out the showroom. The staff greeted me a smile. My customer service experience was awesome and I look forward to my in-home consultation on next week. Great first impression...

  • Ali Jung

    We moved into a new construction home with "extremely hard" water. We noticed a lot of buildup on our sinks, dishes, and even in our hair. We called Culligan and a rep came to our home within a couple of hours. He was very informative and did several tests of our water for free. He gave us our options and we went with a softener with a reverse osmosis system. We wanted it set up as soon as possible and they offered same day setup. By the late afternoon, they had everything done and ready to go. Very friendly, very professional, timely, and priced well.

  • Mary Bairaktaris

    We to the new location in St John IN . Dan was our sales person. Great experience Dan explained all aspects of reverse osmosis and we purchased both a new water softener and I'm so happy we purchased the reverse osmosis system also. Our water home is so nice and our skin feels great. Love not toting home gallons of H2O. Thanks Culligan man.

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