Free roof inspections across the Twin Cities. See your roof price in 30 seconds →
Water softeners & filtration · Twin Cities

Better water for your whole home.

Softer skin and hair, spotless dishes, and appliances that last longer. It starts with a free in-home water test, so you know exactly what's in your water before you spend a dime.

Free, no-obligation test Results explained on the spot Local installers since 2009
Repair King crown logo
5.0 ★55 Google reviews
BC695228MN licensed contractor
A+BBB rating
$250KThird-party protection
Since 2009Twin Cities roofer
What your water may be doing

Your home breaks down system by system.

Water touches everything: your pipes, water heater, dishwasher, washer, skin and hair. Here's what we test for.

Hard water scale

Minerals build up inside water heaters, pipes, faucets and appliances, so they work harder and wear out sooner.

Iron & rust stains

Orange stains on sinks, tubs, toilets and laundry, common in Minnesota well water and older lines.

Chlorine taste & smell

City water is disinfected with chlorine or chloramine. Safe to drink, but it can dry out skin and hair and affect taste.

What you can't see

Lead from older service lines and PFAS in parts of the east metro don't change how water looks. Testing is the only way to know.

Minnesota water, by the facts

Water can look clean and still cause problems.

~75%of Minnesotans get their drinking water from groundwater, which picks up hardness minerals and iron from the rock it moves through.Source: Minnesota Department of Health
HardMany Twin Cities suburbs and private wells have hard to very hard water. Even the big-city systems are only partially softened.Your test shows your exact grains per gallon.
InvisibleLead from older service lines and PFAS in parts of the east metro have no taste, color or smell. Testing is the only way to know.Source: Minnesota Department of Health
How a softener works

How we turn hard water into soft water.

Inside the softener, resin beads trade the calcium and magnesium that cause scale for sodium or potassium. The minerals are rinsed away, and soft water flows to every tap in the house.

  • Removes the minerals that cause scale buildup
  • Protects pipes, water heaters, appliances and fixtures
  • Uses less soap and detergent, and dishes come out spot-free
  • Smart valve regenerates only when needed, to save salt and water
Hard water in
Ca²⁺Mg²⁺Ca²⁺Fe²⁺
Soft water out
Na⁺Na⁺Na⁺Na⁺
Resin beads grab hardness minerals & release sodium · then rinse the minerals down the drain
Built for your results

One system, sized to your water.

No one-size-fits-all box. We match equipment to your test results, your household size and how much water you use.

Hard water

Water Softener

For scale, spotty dishes, dry skin and stiff laundry.

  • Smart, demand-based regeneration
  • Sized to your hardness and household
  • Bypass valve and professional install
Most popular

Softener + Whole-Home Filter

Soft water plus better taste and smell at every tap.

  • Everything in the softener
  • Carbon filtration for chlorine taste and odor
  • Sediment protection for fixtures
Specialty

Iron, Well & Drinking Water

For well water, iron and targeted concerns.

  • Iron and manganese treatment
  • Reverse-osmosis drinking water option
  • Only equipment certified for your results
How it works

How your water gets fixed.

Free water test

We test hardness, iron, chlorine and pH in your home and explain the results.

Your options

A clear recommendation and price. If your water is fine, we'll tell you.

Professional install

Installed by our licensed team, usually in a few hours, with a clean work area.

We stay local

Questions, salt, service or adjustments: one local call, (612) 354-7677.

Don't wait for a warning

If you're waiting for a warning, you're already late.

Boil advisories and test results come after the fact. Scale builds up quietly for years before a water heater fails. A free test gives you answers now.

Without treatment

  • Scale shortens the life of water heaters and appliances
  • More soap, more detergent, more cleaning
  • Stains on sinks, tubs, toilets and laundry
  • No idea what's actually in your water

With a Repair King system

  • Soft water to every tap in the house
  • Appliances run cleaner and last longer
  • Better-tasting water, with fewer bottles to buy
  • Tested, documented and backed locally
Free water testIn your home, no obligation
2-year workmanshipOur installation, guaranteed
Manufacturer warrantyOn all equipment
Local since 2009St. Paul based · MN BC695228
Free in-home water test

You control your home. Why not your water?

Pick a time and we'll come test your water. You'll get your results on the spot and a straight answer on whether you need anything at all.

  • Hardness, iron, chlorine and pH tested
  • Results explained in plain English
  • No pressure and no obligation
  • Serving Minneapolis, St. Paul and the Twin Cities metro

Prefer to call? (612) 354-7677

Questions

Water softener FAQs.

Do I need a water softener in the Twin Cities?

Many Twin Cities homes have hard water, especially suburbs and rural homes on groundwater or private wells. If you see white scale on faucets and shower glass, spotty dishes, stiff laundry or a water heater that's losing efficiency, a free water test will tell you your hardness and whether a softener makes sense.

Is Minneapolis or St. Paul water hard?

Both cities treat and partially soften their water, so it's moderately hard. Many suburban cities and private wells have harder water. Your test results show your exact hardness in grains per gallon.

What's the difference between a water softener and a water filter?

A softener removes hardness minerals (calcium and magnesium) that cause scale. A filter reduces things like chlorine, taste and odor, sediment, and, with the right media, some contaminants. Many homes benefit from both, which is why we test first.

Is the water test really free?

Yes. We test your water in your home at no cost and walk you through the results. You're never obligated to buy anything.

Can a system remove lead or PFAS?

Some filtration systems are certified to reduce specific contaminants like lead or certain PFAS. We'll only recommend equipment certified for what your results show, and we'll tell you if a lab test is a better next step.

What warranty do you offer?

Equipment is covered by the manufacturer's warranty, and Repair King backs its installation with a 2-year workmanship warranty.

In-home tests are screening tests. For health-related contaminants such as lead or PFAS, we may recommend a certified laboratory test. Equipment performance varies by model and water conditions.

Storm hit? Leak showing up? Let's look at it this week.

Free inspection, photo report, straight answer.