Culligan of Merrillville
Your local water experts since 1936
Water solutions you can trust
Backed by over 85 years of experience, your local Culligan water expert has a wide range of products to address your unique water concerns.
Whole Home Water Filters
RO Drinking Water Systems
Bottled Water & Coolers
The Culligan advantage
As the leaders in water treatment for 85+ years, Culligan helps you provide your family with better, safer water at every tap.
100% satisfaction guaranteed
If you are dissatisfied for any reason, Culligan will refund your purchase within 30 days.
600+ locations nationwide
With locally-owned dealerships in communities across North America, Culligan is your local water expert.
#1 in custom water solutions
No one filters, softens and delivers more than Culligan.
Culligan of Merrillville
When you choose Culligan for your water needs, you’re choosing an industry leader with top-rated water treatment equipment, advanced technology and a 100% satisfaction guarantee. Since 1936, Culligan's local water experts have been committed to providing the best service available.
Worried about your water?
Get a FREE water consultation!
Improving your home's water is easier and more convenient than ever with Culligan's in-home or virtual appointments.
You can count on Culligan service to exceed your expectations. Check out the wide range of services provided by your local water expert below.
Free Water Test
Stop wondering about what may be in your water. Your local Culligan expert can provide a complete analysis for a wide range of contaminants.
Water & Salt Delivery
Culligan delivery is the easiest and most convenient way to get better water in your home.
Coupons & Specials
Don't miss out on the limited-time deals happening in your local area.
Service & Repair
Keep your water softener and filtration systems running at peak performance.
Water quality your family can count on
Culligan's award-winning technology and service have attracted recognition from some of the most trusted names in product testing and quality assurance.
The Culligan of Merrillville difference
When I set up the appointment to meet Joe I knew immediately I was gonna purchase from Culligan. His presentation is top notch second to none. If I were to create the perfect sales rep it will be Joe, to take the time and explain the process from a to z and make myself and my wife so comfortable is truly heartwarming and priceless. Thank you for ev... Read More
My husband and I are fairly new to the area. As excited as we were to become residents, we ran into an issue with our water filtration system. The water in our home was affecting my skin and my beautiful peace lilies. We went into the nearby Culligan and spoke with the front desk staff. After tentatively listening to my concerns, Joe, the lead spec... Read More
Anyone that can put up with my too many questions/cant make up my mind way of being is a rock star and Joe at Culligan wins that rock star title. The system was put in by David and he did great at explaining how it all works. Cheers to no more stained water spotted appliances. Thank you to the team at Culligan for making this monumental purchase su... Read More