Water Treatment in Duluth, MN
Eliminate Hard Water, Bad Taste, and Rust Stains from Your Duluth Water
Whether you’re in Lakeside, West Duluth, or further out near rural wells, your water might look clear—but it can still cause damage. High iron levels, hard water, and aging plumbing can lead to cloudy water, strange smells, and expensive repairs. We fix all of that with systems built specifically for Duluth’s water conditions.
We Help Duluth Families and Businesses Get Better Water
From stubborn iron in well water to city water with lingering taste issues, we test your water and install systems that make a real difference. No more filters that sort-of work or DIY setups that don’t last—just clean, great-tasting water from a system you can rely on.
Water Softeners for Duluth Homes
The mineral content in Duluth’s water supply leads to limescale buildup, appliance damage, and skin irritation.
- Prevent scale and hard water spots
- Improve water flow and appliance efficiency
- Enjoy cleaner showers and softer clothes
Reverse Osmosis Filtration
Duluth’s older plumbing infrastructure can sometimes affect water quality. Our systems make sure what you drink is actually clean.
- Removes lead, chlorine, bacteria, and more
- Safer for families, pets, and employees
- Clear, refreshing water right from the tap
Iron & Sulfur Removal Systems
Red rings in your toilet? Sulfur smell from the faucet? We’ve seen it all—and we fix it fast.
- No more metallic taste or rotten egg smell
- Protects fixtures, pipes, and clothes
- Perfect for well water outside city limits
Trusted in Duluth for Over 50 Years
Range Water Conditioning is a family business built on honest service. Since 1969, we’ve helped homeowners across northern Minnesota get reliable, long-term water solutions.
We don’t upsell—we educate, install, and support. And we’re always just a call away if something goes wrong.
Technical Support
Experiencing issues with your water filtration system? We service most makes and models.
Financing Options
Clean water should be affordable for every home. We offer flexible financing options with low monthly payments—so you can get the system you need without breaking the bank.
- $0 as a Down Payment
- 9.99% Interest Rate
- Up to 5 Years
Reviews from Duluth Homeowners
When I called, I was greeted with a cheery voice. Upon explaining my issue, I was immediately transferred to another upbeat voice that helped me through the problem with my osmosis system. The people at Range Water are friendly and helpful! I recommend people check into their water services!
Greg & Ruth Tatter
I had a water conditioner system installed by Range Water Conditioning and was very satisfied with their professional efficient service. The representatives were extremely polite, informative and accommodating with the specifics of my needs in the installation of my system.
Penny Obrien
On budget , on time. From the sales rep taking the time to explain the water system to the installation this was a flawless project 5 stars for sure. Used copper piping to install the filters. The mechanics was really excellent. Thanks for everything.
Bill Roach
Excellent installation and instructions on operation. Water is excellent now. Had a serious iron problem. Got two resin tanks. While system is automated I’m very satisfied with the service and the system.
David Kraus
They are so nice and easy to work with! They actually care about their customers! Will continue to work with them for a very long time!!
Lyndsey Roesner
Excellent service! The salesman was informative and not pushy at all. He spent 4 hours at my house explaining my options and answering my questions. The installer was at my place for 7 hours. He was very kind and thorough. We would recommend them!!
Adrien Clough
I've had Range water for several years. Range is rare in that they are completely customer focused. Thanks for the great service.
Joseph Watkins
The Range Water guys came and installed my reverse osmosis system in a little under and hour which included a line to the ice maker. This guys were fast and efficient and explained what they were doing and how the system was connected and when to change filters. A professional job all the way! Highly recommend Range Water for you water needs!
Andy Dehon
I had range water put in our water softener and Mark did a great job. He was quick and efficient and he left the job site immaculate. He explained how the unit he installed work and I was very satisfied with his job.
Connie McSherry
Schedule Your Free Water Test Today
There’s no reason to guess what’s in your water. We’ll come test it for free, explain your options, and get your system installed fast—with financing if you need it.
Schedule Your Free Water Test Today
Our Locations – Find a Range Water Conditioning Near You
With multiple locations across Northern Minnesota, we make it easy to get expert water treatment solutions wherever you are. Whether you need a water softener, reverse osmosis system, or iron filtration, our team is ready to help with professional installation, maintenance, and support.
Book your free test now and take control of your water
(218) 322-0575
Available during business hours
Business Hours
- Monday - Thursday: 9:00 AM - 5:00 PM
- Friday: 9:00 AM - 4:00 PM
- Weekend: Closed