Water Softeners in Austin, TX

Stop Austin’s Hard Water at the Front Door

Softener installation, repair and replacement for homes across Austin and the Hill Country, sized to your water and your household by licensed plumbers.

Austin Water Softeners

Why Nearly Every Austin Water Heater Is Full of Scale

Pull the drain valve on a ten-year-old water heater anywhere in the Austin area and what comes out looks like wet sand. That is the minerals in Central Texas water, calcium and magnesium picked up from limestone, settling out every time the water is heated. The same scale is inside your dishwasher, your tankless unit, the cartridge in every faucet, and the fill valve in every toilet. It is why fixtures here need replacing sooner, why showerheads clog, and why a bar of soap never quite lathers. Lake water in Austin proper is hard; the Edwards Aquifer blends in Round Rock, Georgetown and Pflugerville tend to be harder; and Hill Country wells in Dripping Springs, Driftwood and Spicewood can be harder still.

A softener does one thing: it takes those minerals out before the water reaches anything you own. Newer homes in Leander, Hutto, Kyle and Manor often come with a softener loop already stubbed out in the garage, which makes installation straightforward. Older houses in Crestview, Hyde Park and Tarrytown need the loop cut in at the main, and a slab home in Cedar Park or Buda needs a drain and a bypass for the hose bibs so you are not softening the lawn. We have done all of it since 1999. The general case for softening is on our water softeners page; this is how it plays out in Austin.

  • Sized to your water Grain capacity set from a hardness test and your household, not a one-size default.
  • Installed by plumbers Loop, bypass, drain and outside taps done to code by licensed, bonded plumbers.
  • Home Comfort Guarantee A written quote before work and 100% satisfaction backed by a 10% inconvenience refund up to $1,000.
Radiant plumber arriving with a tool bag at an Austin home for a water softener installation

Hard Water at Home

What Hard Water Is Doing in Your Austin House

Some of it you can see. The expensive part is what you cannot.

  • The water heater rumbles and dies young

    Scale on the tank bottom insulates the burner from the water. Gas tanks pop and rumble; electric elements burn out. Either way the heater is working harder for less.

  • Showerheads spray sideways within a year

    Mineral crust in the nozzles. Vinegar soaks help for a while; softened water stops it from forming.

  • Cloudy glasses out of the dishwasher

    Hardness spots that no rinse aid fixes, and the same film is coating the heating element and spray arms inside the machine.

  • Toilets that run and faucets that drip

    Scale keeps fill valves and cartridges from seating. Austin plumbers replace these parts far earlier than the same parts last elsewhere.

  • Stiff towels and faded laundry

    Minerals bond with detergent and stay in the fabric. Softened water rinses clean with less soap.

  • A tankless unit throwing error codes

    Scale on the heat exchanger is the top cause of tankless trouble in Austin. A softener ahead of the unit is the best protection between flushes.

Softener Services

Water Softener Work Across the Austin Area

New installs, replacements, repairs and the plumbing that makes them work in slab homes and older houses alike.

Family in an Austin kitchen with the Radiant toilet mascot, where softened water makes the biggest difference
Water softener installation, repair and service across the Austin area.
  • New softener installation Sized from a hardness test, set up on the existing loop or a new one, with a bypass valve and a proper drain for regeneration.
  • Cutting in a softener loop For older Austin homes that were never plumbed for one. We tie in at the main after the outside taps so irrigation stays on hard water.
  • Replacing a worn-out unit Resin beds and valve heads wear out. When a repair costs more than it should, we quote a replacement alongside it and let you decide.
  • Softener repair and service Salt bridges, stuck valves, resin cleaning and control settings, on units of any brand.
  • Salt-free conditioning Where salt is not wanted, a conditioner reduces scale without removing minerals. Honest about what it does and does not do. See water conditioning.
  • Pairing with filtration A carbon filter or reverse osmosis at the kitchen for taste, since a softener alone does not change it. More at Austin water quality.

How Installation Goes

From Hardness Test to Soft Water

A softener is a plumbing job as much as an appliance. We treat it that way.

  1. Test and size

    We measure hardness at your tap, count bathrooms and people, and check pressure and where the main enters, then size the unit to match.

  2. Quote in writing

    Unit, loop work if needed, drain, bypass and any permit, itemized and honored for 72 hours. No hidden fees.

  3. Install and program

    Tied in properly, drain run to code, outside taps kept hard, and the regeneration set for your water and usage.

  4. Show you the system

    Where the bypass is, how to add salt, and what a normal cycle sounds like. Then it is backed by the Home Comfort Guarantee.

Tired of Hard Water in Austin?

Get an honest sizing and a written price, with financing available, subject to credit approval.

What Our Customers Say

Don't just take our word for it — hear from our satisfied customers

J Jeff Fazio
Jeff Fazio 3 years ago
★★★★★
I had Radiant Plumbing replace my tankless water heater, damaged in the Feb. 2021 snowmageddon storm with a new unit. The process was smooth and professional from start to finish. The plumber, James, was extremely knowledgeable and thoroughly explained my options to me. The cost and time to perform the installation were just as estimated. When he was done, James explained how to maintain the system, what service would be needed and how to perform it, and answered all of my engineering geek questions. It was a thoroughly positive experience. I have used several different plumbers in Austin over the past 15 yrs, but my search is over - I will not hesitate to call Radiant next time and would recommend them unreservedly.

8/9/23 Update: I have subsequently used Radiant for a toilet repair, faucet installation (Danny), and drain work (Ezekiel) and they have continued to impress with knowledgeable, friendly plumbers and quality work.
C Cathy McClaugherty
Cathy McClaugherty 5 years ago
★★★★★
We called Radiant Plumbing after we noticed a water leak in our kitchen. We were in a time crunch and they were able to schedule us quickly, before we left for vacation. They sent their representative, Preston Nichols, and he was excellent to deal with! He was on time, skillful, friendly, and very professional. It turned out to be a problem with our dishwasher but Preston was quick to diagnose it and set our minds at ease. While he was here, we mentioned that our one year-old water heater needed to be flushed. Preston was quick to take care of that, as well, saving us time and money in the process. Radiant charged us almost half the price another plumber quoted us for that service! While Radiant Plumbing isn’t our usual plumber, they gained a new customer. We won’t hesitate to call Radiant again in the future based on our VERY positive experience with them.
S Stefano Rosellini
Stefano Rosellini 6 years ago
★★★★★
Had 3 different systems installed by them approx. 3 years ago for a total of approx $20k. I was quite happy with the install until the year later when they came for a maintenance call and started finding deficiencies in their own install. they wanted extra money to address those deficiencies. Now I am in the process of selling my home and an inspector has found a few items that need to be addressed and they will not even look at the report unless I schedule a $139.00 service call. Very poor customer service.. This company does not stand by their work and would not recommend.

I am revising my review of this business from 1 to 5 stars. After my original review I was contacted by the company's service manager and he made sure that I was taken care off. I had a team of 3 technicians coming to my house to double check the system and make the necessary adjustments. I was very satisfied by their attention to details and professionalism.

Maintenance Membership

Join the Care Club

Home maintenance for $9.99 a month.

Care Club members get two HVAC tune-ups and a plumbing safety inspection every year, priority scheduling, no dispatch fees — ever — and 5% off every repair.

  • Priority scheduling
  • Seasonal HVAC tune-ups
  • Annual safety inspection
  • Exclusive member discounts
  • Free dispatch on repairs
  • No long-term contracts

Austin Water Softener Questions

What size water softener does an Austin home need?

It depends on two numbers: how hard your water is and how much of it your household uses. We measure the first at your tap, because it varies between Austin city water, the aquifer blends in the northern suburbs and Hill Country wells. The second comes from the number of people and bathrooms. From those we choose a grain capacity that lets the unit regenerate on a sensible schedule, often every several days rather than nightly, which uses less salt and water and keeps the resin healthy. An undersized unit regenerates constantly; an oversized one wastes money and can let the resin go stale between cycles. We would rather size it right than sell the biggest one.

Where does a softener go in a slab home with no basement?

Almost always the garage, near where the main water line enters the house. Many Austin-area homes built in the last twenty years, especially in Leander, Hutto, Kyle and Round Rock, already have a softener loop there: two capped pipes on the garage wall that route the whole house through the unit while leaving the hose bibs on hard water. If there is no loop, we cut one in at the main. The unit also needs a drain for its regeneration cycle and an electrical outlet. In an older central Austin house the main may enter at a crawl space or an exterior wall, and we will find the spot that keeps the plumbing short and the unit accessible for salt.

Is a salt-free conditioner as good as a softener for Austin water?

They do different jobs, and we will be straight about it. A true softener removes the hardness minerals, so scale stops forming and soap lathers. A salt-free conditioner leaves the minerals in the water but changes their form so they are less likely to stick to surfaces. Conditioners reduce scale in pipes and water heaters and need no salt or drain, but they do not give the soft-water feel, do not stop spotting on glass and are less effective as hardness climbs, which matters in Austin. For a house where salt is a concern, a conditioner is a reasonable compromise. For a house that wants the full effect on fixtures, laundry and skin, a softener is the answer.

Will softened water taste salty or be bad for drinking?

Softened water is not salty in the way people imagine. The softener swaps hardness minerals for a small amount of sodium, proportional to how hard the water was; in Austin that amount is noticeable to some people and not to others, but it is a fraction of what is in most foods. If anyone in the house is on a sodium-restricted diet, potassium chloride can be used in place of salt, or a reverse osmosis system at the kitchen tap removes it from the water you drink and cook with. Many Austin homes run exactly that pair: a softener for the house and reverse osmosis at the sink. Our reverse osmosis page covers the second half.

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