Water Softener Installation & Repair in Phoenix & Scottsdale, priced before we start.
Most things dissolve better in hot water. Calcium carbonate, the main ingredient in hard-water scale, does the opposite: heat it and it comes out of solution. That is why the heaviest scale in any house forms inside the water heater, on the elements of an electric tank, across the floor of a gas one, and on the heat exchanger of a tankless unit. The minerals were in the water all along. The heater simply gives them a reason to settle.
Valley water has plenty to give. The supply comes largely from the Salt and Verde rivers and from the Colorado by way of the CAP canal, and it picks up calcium and magnesium on the way. Readings of 10 to 20 grains per gallon are common across the metro area, well into the range any standard scale calls very hard. Hard Water in the Valley covers where it comes from and what a decade of it does to a house.
A softener works by trading. Water passes through a tank of resin beads that hold sodium, or potassium, loosely. Calcium and magnesium cling to the beads more tightly, so they swap in and the sodium swaps out. When the beads are full, the control valve runs a regeneration: brine from the salt tank rinses the hardness down the drain and recharges the resin. A modern valve does this based on how much water you have used rather than on a fixed calendar.
A few checks need no test kit. Lift the lid on the salt tank. If the level hasn’t dropped in a month, the unit isn’t drawing brine, or the salt has formed a crust, called a bridge, with an empty space beneath it. On older timer models, check the clock after any monsoon power outage, which can leave the unit regenerating in the middle of the afternoon. And look at the shower glass a week after cleaning it. Spots mean hardness is getting through.
Hardness charges its bill slowly, which is why it’s easy to ignore. A water heater built for 12 years retires at 8 or 9. Faucet cartridges seize in their bodies. Tankless units need descaling more often. Soap and detergent disappear at a rate the label never planned for. The hard-water cost calculator turns all of that into a yearly figure for your house.
How to tell it’s working, or isn’t
Salt that never goes down
A level that hasn’t moved in weeks means the unit isn’t using brine. Push a broom handle down through the salt. If it hits a hard shelf, you’ve found a salt bridge.
White crust back on the aerators
Fixtures that stayed clean for years and are scaling again mean hardness is slipping through. Resin wears out, valves fail, and bypass valves get left open after someone services the system.
A brine tank full of water
A few inches in the bottom is normal. A tank that’s mostly water usually means a stuck float, a clogged injector, or a blocked drain line.
Popping and rumbling from the heater
That’s water boiling beneath a layer of scale on the tank floor, the clearest sign that hard water is reaching the water heater.
Regeneration at the wrong hour
Hear the unit cycling mid-afternoon, or notice the water turning hard for a few hours a day? The clock is off. Monsoon outages are a common cause on older timer controls.
Why are the towels stiff?
Hard water binds with detergent and leaves mineral residue in fabric. Towels that dry like cardboard are one of the more honest hardness tests in the house.
From test strip to soft water
- 01
A reading at your tap
We test hardness at your house, not from a citywide average. That number sets the size of the system and its salt setting.
- 02
Sized to the household
Grain capacity is matched to the hardness and to how many people live there. Too small and it regenerates constantly; too large and it wastes salt and water between cycles.
- 03
Plumbed at the loop, with a bypass
Many Valley homes have a softener loop in the garage from the builder, and we use it when it’s there: upstream of the water heater, with a bypass so the unit can be serviced without shutting off the house. Where there’s no loop, we plumb one.
- 04
Hose bibs stay hard
Outdoor spigots and irrigation usually stay on untreated water. Plants gain nothing from it, and there’s no reason to spend salt on the sprinklers.
- 05
Programmed, then explained
Hardness, regeneration schedule, and salt type are set before we leave, with a short walk-through of what to check each month. If the real problem is iron or sediment from a well, we say so and filter first.
Installed price
$1,800 – $4,500 installed
A standard salt-based system for a typical home lands mid-range. Added filtration, a new loop, or an awkward install location moves it up. Repairs to an existing unit, such as a control valve, motor, or injector, usually run $200 to $600, and you’ll hear when repair beats replacement.
Financing is available on larger jobsYou can’t move the Valley to softer water. You can keep its minerals out of your plumbing.
Water Softeners: questions we get asked
Straight answers, the same ones we give on the phone.
