Enter your ZIP to find local pros.
Please enter a valid 5 digit zip code

Water Treatment

Rheem Water Softener Review 2025

Modernize Rating: 4.5/5

Average Cost: $375 - $600

Rheem offers some of the most reliable and advanced water softening solutions, with a small range of models to suit different budgets and home sizes. These affordable systems offer durability and efficiency, making them a solid choice for homeowners seeking a premium water treatment solution.

The Modernize Mission

Modernize maintains homeowner-first editorial integrity, meaning we accept no commissions and no partner links for this review. Our reviews are thoroughly fact-checked by our home improvement experts. Ratings are determined by a sophisticated algorithm to rate brands, including analyses of products, materials, quality, costs, sizes, durability, energy efficiency, and warranties.

What Is Rheem Known For?

Rheem is a trusted name in water heating and treatment systems. Over the years, the company has expanded its expertise beyond boilers and HVAC products to include water softeners and water heating solutions. Today, as a leader in innovation, Rheem stands out for its focus on energy efficiency, smart technology, and sustainable water management solutions.

Rheem logo

The brand’s latest water softeners use Rheem Learning Technology — a smart system that adapts to your household’s water use. As a result, the system conserves salt and water while maintaining consistent performance. All models are Wi-Fi-enabled, allowing you to monitor your system remotely.

  • Removes calcium and magnesium to eliminate hard water scale
  • Includes Wi-Fi connectivity for remote monitoring and alerts
  • Optimizes salt and water use automatically through learning technology

Pros and Cons of Rheem Water Softeners

Before making a decision, it’s helpful to know what sets Rheem softeners apart — and where they might fall short. Here’s a quick overview:

  • Pros

    • High Efficiency
    • Smart Technology
    • Affordable Pricing
  • Cons

    • Limited Model Options
    • Routine Maintenance
    • Installation Costs

Pros

  • High Efficiency. Rheem softeners produce consistently soft water while protecting plumbing and appliances from scale buildup.
  • Smart Technology. With Wi-Fi connectivity and Rheem Learning Technology, you can track water usage and salt levels from your phone.
  • Affordable Pricing. Starting around $375, Rheem models offer strong performance at a budget-friendly price point.

Cons

  • Limited Options. Only four models are available, and all are salt-based rather than salt-free.
  • Maintenance. Requires regular salt refills and cleaning, which adds minor recurring costs.
  • Installation. While DIY kits are included, many homeowners prefer professional installation for a smoother setup.

Why Choose a Rheem Water Softener?

Rheem’s water softeners are designed for households of all sizes and operate using traditional ion exchange technology. With this process, they remove hard minerals, improve water quality, and extend the lifespan of your appliances. Plus, smart monitoring and automatic optimization make them easy to manage.

1. Salt-Based Ion Exchange System

Rheem’s salt-based softeners replace hard minerals with sodium ions through a tried-and-true ion exchange process. Each model includes automatic regeneration and programmable settings for efficient operation and minimal user input.

2. Smart Technology and Monitoring

All Rheem softeners are Wi-Fi–enabled, allowing you to monitor water usage, track salt levels, and receive alerts through your mobile device. In addition, Rheem Learning Technology fine-tunes the regeneration cycle based on your household’s water habits, reducing salt and water waste by up to 40%.

3. Long-Term Savings

Rheem estimates that its systems can pay for themselves within two to three years. For example, by reducing water heater energy use by up to 24% and improving appliance efficiency, homeowners can save as much as $558 per year. Plus, these systems operate with extremely low ongoing electricity and water costs — about $15 per year combined.

4. Warranty Coverage

Rheem backs its softeners with a robust warranty program:

  • 1 year: Parts and labor (extendable to 5 years when using Rheem-branded cleaner)
  • 3 years: Electronics
  • 10 years: Tanks

How Much Does a Rheem Water Softener Cost?

Rheem offers four core water softener models, all sold exclusively through Home Depot. Pricing varies depending on capacity, features, and household size.

Entry-Level ($375 to $400): Rheem® PREFERRED COMPACT™

Perfect for smaller households (up to four people). The compact design fits tight spaces while maintaining strong performance and smart optimization.

Rheem Preferred Compact Water Softener

Mid-Range ($400 to $500): Rheem® PREFERRED™

Designed for medium homes, this system includes Rheem Learning Technology, a low-salt monitor, and customizable regeneration cycles.

Rheem Preferred Water Softener

Premium ($500 to $600): Rheem® PREFERRED Plus™ and Platinum™

The high-end models offer enhanced features for larger households. The Plus™ includes a built-in sediment filter and illuminated tank light, while the Platinum™ adds Wi-Fi connectivity, a remote shutoff, and advanced salt optimization.

Rheem Preferred Platinum Water Softener

What Factors Affect the Total Cost?

  • System Size. Larger households with higher water consumption need higher-capacity systems.
  • Installation. Professional installation adds $200 to $500, depending on system complexity. However, Rheem also includes DIY kits for those who prefer self-installation.
  • Features. Wi-Fi connectivity, smart technology, and extended warranties can increase total cost but add long-term convenience and savings.

» Related: How Much Does It Cost to Install a Water Softener?


What Are the Benefits of Investing in a Rheem Water Softener?

Beyond softer water, there are several benefits to owning a Rheem system, including:

  • Extended Appliance Lifespan. Protects pipes and appliances from mineral buildup, reducing repair costs and extending their lifespan.
  • Improved Water Quality. Soft water is gentler on skin, hair, and clothing, and helps detergents and soaps perform better.
  • Energy Savings. Softened water allows systems to heat more efficiently, cutting utility bills by an estimated $25 per month for a family of five.

A hand reaching into the hot water from a shower

How Does Rheem Compare to Other Water Softener Brands?

When choosing a water softener, it’s important to compare Rheem with other leading brands.

Culligan vs Rheem

For instance, Culligan, founded in 1936, is one of the most recognized names in water treatment. While Rheem’s models range from $375 to $600, Culligan’s softeners cost between $500 and $2,500 and include both salt-based and salt-free options. Culligan also offers more customization but at a higher price point.


» Read More: Culligan Water Softener Review


Whirlpool vs Rheem

Similarly, Whirlpool, another popular brand, has water softeners priced between $400 and $1,500. Like Culligan, Whirlpool offers salt-free alternatives and a wider range of options than Rheem. However, Rheem systems tend to be more affordable while still including smart connectivity and efficient regeneration cycles.

Fleck vs Rheem

On the other hand, Fleck, known for its durability, offers systems ranging from $600 to $1,600. Fleck models are known for longevity and performance but lack the smart features that make Rheem’s systems easier to manage. Rheem’s advantage lies in its lower entry price and user-friendly design, even if Fleck has a broader product line.


» See Our Top Picks: Best Water Softener Brands of 2025


In short, Rheem’s water softeners balance affordability, reliability, and modern smart technology — an excellent value for most households dealing with hard water issues.

Is a Rheem Water Softener Worth It?

Overall, for homeowners who want a dependable, efficient, and intelligent system, Rheem water softeners are a strong choice. They provide consistent performance, cost savings, and advanced monitoring features without the high price tag of some competitors. However, if you prefer a salt-free or fully customizable system, you may want to explore other brands like Whirlpool or Culligan.


FAQs

Does Rheem make salt-free softeners?
No. All Rheem models are salt-based and use ion exchange technology.

Where can I buy a Rheem water softener?
Rheem softeners are available exclusively at Home Depot and authorized retailers.

What is Rheem Learning Technology?
It’s a smart system that adjusts regeneration cycles based on your water usage, saving water and salt.

Can I install a Rheem softener myself?
Yes. Each unit includes a DIY kit, though professional installation is recommended for the best results.

Compare top-rated water treatment pros in your area.

Read real homeowner reviews, explore qualifications, and view promotions. Modernize makes it easy to browse professionals and find one that will be perfect for your project.

Share this article