Water Softener

  • 1-Year Full Warranty
  • Emergency Services Available
  • Fast & Efficient
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Water Softener Repair & Replacement Services

Dealing with hard water in your St. Louis Park home? At Onyx Plumbing & Gas, we provide expert water softener repair and replacement services to help Twin Cities homeowners eliminate challenging water problems at the source.

Whether your current softener is malfunctioning or you're ready for an upgrade, our certified and licensed water treatment team delivers efficient, honest solutions tailored to your home!

Upgrade Your Twin Cities Home With Water Softener Installation

Installing a high-efficiency water softener is one of the smartest long-term upgrades for your plumbing system!

A properly functioning softener protects your pipes, improves water heater efficiency, prevents calcium buildup, and helps your appliances last longer — not to mention making showers, dishes, and laundry cleaner and softer. Our team installs and services a wide range of residential water softeners, from standard salt-based units to more advanced systems.

What kind of softener do you need? We’ll walk you through your options and recommend a system that suits your water usage, budget, and household needs.

Whether you're looking to repair your current setup or start fresh with a new one, we’ll ensure your water runs smoother and cleaner from the very first day. Schedule a consultation with us today to explore all your water softener options!

Meet Your St. Louis Park Water Softener Specialists

When it comes to water quality, experience matters. At Onyx Plumbing & Gas, we don’t do one-size-fits-all. We take the time to test your water hardness, evaluate your current plumbing, and give you honest feedback on what’s working — and what’s not.

From quick repairs and valve replacements to full-scale system upgrades, here’s why you can trust our team to provide innovative, straightforward water treatment solutions:

Triangle Icon Locally Owned & Operated Plumbing Company

We’re not a franchise. We’re your neighbors. Based in St. Louis Park, we proudly serve homeowners across the west metro with plumbing and water treatment services rooted in transparency, trust, and top-tier craftsmanship.

Triangle Icon Official Minnesota-Licensed Master Plumber​s

Our team is fully licensed, bonded, and insured—with years of real-world experience working on homes like yours. When you hire Onyx, you hire master-level plumbers who know what they’re doing and treat your home with care.

Triangle Icon 1-Year Full Parts Labor Warranties

We stand behind our work!

Every water softener repair or replacement includes a 1-year warranty on parts and labor — no fine print or fuss. If something goes wrong, we make it right.

Triangle Icon Same-Day Water Treatment Services

Don’t wait weeks for clean water!

If your system fails or your home needs urgent treatment, we offer same-day service whenever possible.

Fast response. Fair pricing. No nonsense!

NEED A LOCAL PLUMBER? CALL THE ONYX!

Onyx Plumbing & Gas proudly serves homeowners across St. Louis Park, Edina, Minnetonka, and surrounding neighborhoods throughout the Twin Cities metro. We’re your local partner for plumbing done right, bringing punctual, affordable, and honest service to homeowners who truly care about plumbing perfection!

Wherever You Call Home, call the Onyx!

Onyx Plumbing & Gas proudly serves homeowners across St. Louis Park, Edina, Minnetonka, and surrounding neighborhoods throughout the Twin Cities metro. We’re your local partner for plumbing done right, bringing punctual, affordable, and honest service to homeowners who truly care about plumbing perfection!

  • Andover
  • Anoka
  • Arden Hills
  • Blaine
  • Bloomington
  • Carver
  • Centerville
  • Champlin
  • Chanhassen
  • Chaska
  • Coon Rapids
  • Cologne
  • Corcoran
  • Crystal
  • Dayton
  • Deephaven
  • Delano
  • Eagan
  • Edina
  • Elk River
  • Excelsior
  • Falcon Heights
  • Fridley
  • Gem Lake
  • Golden Valley
  • Greenwood
  • Hamel
  • Hampton
  • Hanover
  • Hastings
  • Hopkins
  • Lauderdale
  • Lilydale
  • Long Lake
  • Loretto
  • Maple Grove
  • Maple Plain
  • Mayer
  • Medicine Lake
  • Medina
  • Mendota Heights
  • Minnetonka
  • Minnetonka Beach
  • Minnetrista
  • Mound
  • Mounds View
  • New Brighton
  • New Hope
  • North Oaks
  • North St. Paul
  • Norwood Young America
  • Oak Park Heights
  • Orono
  • Osseo
  • Plymouth
  • Ramsey
  • Richfield
  • Robbinsdale
  • Rockford
  • Rogers
  • Saint Bonifacius
  • Shakopee
  • Shorewood
  • South St. Paul
  • Spring Lake Park
  • Spring Park
  • St. Anthony
  • St. Louis Park
  • St. Paul
  • Tonka Bay
  • Twin Cities
  • Victoria
  • Waconia
  • Watertown
  • Wayzata
  • West St. Paul
  • Willernie
  • Woodland
  • Young America

The Clog Blog

Here’s Why You Shouldn’t Ignore a Slow Drain and What to Do Instead

Are slow drains driving you crazy? Learn why ignoring it can lead to major plumbing problems and what you should do instead with these drain cleaning tips from Onyx Plumbing & Gas, your St. Louis Park plumbing pros!
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The Top 5 Signs Your Water Heater Needs Immediate Attention

Wondering if your water heater’s in trouble? Discover the top five signs your water heater needs immediate attention, and learn how your trusted St. Louis Park plumbers at Onyx Plumbing & Gas can help you out whenever your water heater is on the fritz!
[READ MORE]