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Water Treatment

What’s in Your Water?

Understanding what's in your home's water will determine the best water softener for your home. We will provide a FREE in-home water test, complete a basic plumbing inspection and make recommendations based on any hard water issues.

Water Softener Installers

The Home Depot’s whole house water softener installation service professionals are local, licensed, insured, and have undergone a thorough background-screening process before conducting a free in-home consultation.

Up To 24 Months Financing

Get Up To 24 Months Financing on your first purchase when you open a new Home Depot Consumer Credit Card Account through Citibank, N.A. Valid 1/12/17-1/18/17. View Details

Installing Leading Water Softener Brands

We install major brands of water purification systems including water filters, whole house water softeners, water treatment systems and more in order to effectively improve your home’s water quality.

Ecowater Rainsoft Kinetico Puronics

Customer Reviews

out of 5
66 Reviews

The installers were very professional

Recommended service


Rainsoft employees are wonderful. Everything went great.

Recommended service


Great tasting water

Recommended service


So far so good


Reps were courteous and professional. Installation very good.

Recommended service


Home Depot Service Provider Licensing and/or Registration Information

Home Depot local Service Providers are background checked, insured, licensed and/or registered. Any license or registration numbers held by or on behalf of Home Depot U.S.A., Inc. are available here or at the Special Services Desk in The Home Depot store. State specific licensing information includes: Alabama 03010, Alaska 25084, Arizona ROC252435 ROC092581, California 602331, Florida EC00001440 CGC1514813 CAC1813767 CFC1426021, Georgia EN216765 CT22120 LMP2977 ID 005190, Massachusetts 112785, Michigan 2101089942, Nevada 38686 OH 46992, Oklahoma 9190, Oregon 95843 RI 9480, Texas TECL24447 RAIC113 TACLA1574C TACLB14980C M-16451, Washington HOMED088RH, West Virginia WV036104

Frequently Asked Questions

Answers to common water softener installation questions

What is water treatment?

Water treatment is the process of filtering or chemically treating water. The most effective ways to improve water quality are point of entry (POE) and point of use (POU). POE involves such products as water softeners and whole-house water filters. These water softeners remove such minerals as calcium and manganese that cause hard water or other sediment buildup from an incoming water source. POU involves such products as under-sink water filtration including reverse osmosis, which removes extremely harmful contaminants such as arsenic, lead, sulfate, chlorine, VOCs, rust, sediment and more.

How do water softeners work?

Water softeners filter out minerals like calcium and manganese to deprive your home of hard water. During this softening process some sodium is added to the water, about as much as a piece of bread. After installation, additional salt should be added to the softener about once a month to ensure the highest-quality, softened water.

What are the benefits of whole house water softeners and treatment systems?

Benefits of water softeners and treatment systems go beyond cleaner, odorless, better-tasting water. After softening hard water, your skin may feel softer, your hair silkier, soap suds may last longer and your clothes feel softer. All with a reduced need for detergents and cleansers! Appliances like water heaters, dishwashers and washing machines will not only perform more efficiently, but last longer. Pipes and other appliances will also benefit from the reduction of calcium and magnesium buildup. And don't forget the positive impact on the environment.

How much does a water softener cost to operate?

The benefits of softened water may outweigh the cost of the salt, water and energy required for operation. Water softener salt will likely amount to a few dollars per person, per month. Unless choosing the more expensive potassium chloride to avoid additional sodium and potassium intake, a homeowner should recoup this expense by the diminished need for soap and detergent. You also may minimize the higher water bills associated with water softener installation by selecting a water-efficient model with a control value that will prevent unnecessary regeneration. Finally, water softeners are very energy efficient, requiring less power to operate than most small household appliances.

Why does water need to be softened?

Water is never destroyed. The same water that nourished the dinosaurs nourishes us as the never-ending water cycle continues to purify the same water over and over. However, as water falls back to earth as rain, it picks up air pollutants and dust. Once it hits the ground, this universal solvent dissolves and collects everything from sediment to pesticides. In the U.S., 80-90% of the total available water supply comes from this ground water.

Water Softener Installation

Hard water finds its way into 85% of the homes in the U.S. As a universal solvent that absorbs minerals, organic compounds and more, water often needs to be softened, filtered or chemically treated to return to its natural, clean, odor- and taste-free state. Filtering or chemically treating your home's water supply also provides benefit in the kitchen, bath and laundry, as well as to the environment.

While our water supply ranks as one of the safest in the world, it still may contain unwanted chemicals or minerals. Effective water filtration focuses on point-of-entry products and point-of-use products that include water treatment systems, reverse osmosis, carbon filters, specialty filters and ultraviolet filters.

Find out what's in your water today. During our FREE in-home analysis, we'll test your water, evaluate your current plumbing system and make water treatment recommendations based any hard water issues and your family's water-quality needs. Our service professionals will also review the benefits of a water softener system installation. It’s important to test your water quality as levels can vary and no two homes’ water quality is exactly the same.

Water Softener Service

The Home Depot handpicks water softener service and installation professionals who meet the highest standards for experience and customer service. We perform background checks on all of our water treatment providers and ensure they have all applicable licenses and insurance. With top-quality water treatment products from brands like RainSoft and Kinetico, and water softener installation with a minimum one year warranty on labor, you can trust The Home Depot.

Water Treatment Systems
The most effective water treatment systems focus on point-of-entry products and point-of-use products. The two ways to treat and clean your water include the following options:

Custom Water Treatment -- Our consultants will help you find any water treatment combination that best suits your home’s water quality needs.
Water Softeners -- Removes minerals, such as calcium and manganese, that cause hard water.
Reverse Osmosis -- Removes harmful contaminants such as arsenic, lead, sulfate, chlorine, VOCs, rust and more.
Carbon & Specialty Filters -- Removes sediment, chlorine, and other organic compounds.
Ultraviolet Filters -- Used for wells, lakes, and unknown water sources to eliminate bacteria, viruses and other pathogens.

Whole House Water Softeners
The effects of chlorine, industrial and biological contamination on our aging water infrastructure and the natural substances that degrade water’s taste are all reasons for water quality concern. By have a water softener system installed, your whole house can benefit from the improvements of clean water.

Filtered water provides bottle-quality, clear drinking water straight from the tap. In the kitchen, cleaner water will likely enhance the flavor of coffees and teas, soups, and pastas. Bathing on a daily basis with a whole house water softener will reduce harsh effects on your body, keeping hair and skin soft and smooth. The efficiency of your washer and dryer and other appliances will also be improved with treated water.

By installing a water softener, you can feel good knowing you’re being economical and more eco-friendly. Not only are you reducing the number of water bottles in landfills but your softener also offers a cost-saving alternative to bottled water over time.

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Water Hardness

According to the American Water Association, 85% of the United States has hard water. Water hardness can:

• Create a buildup which makes appliances and plumbing work harder

• Shorten the lifetime of all water using appliances

• Require appliances to consume more energy, which costs homeowners money

• Require more than twice as much soap and detergent to get your clothes and dishes clean