Top rated water softeners · ranked by score17 September 2026

The best water softener systems

The US Water Systems Matrixx Smart Metered ranks first of 35 water softeners we have scored, at 7.0 out of 10. The ten on this list cost $540 to $3,294, and their scores are within 1.08 of each other. Across all 35, scores run from 4.3 to 7.0.

  • 35 scored
  • 12 brands
  • top ten within 1.08
  • scores 4.3–7.0
  • updated 17 September 2026

The top 10 at a glance

  1. 1 US Water Systems Matrixx Smart Metered US Water SystemsMatrixx Smart Metered $1,232
    7.0
  2. 2 US Water Systems Matrixx Smart with DROP US Water SystemsMatrixx Smart with DROP $1,797
    6.8
  3. 3 US Water Systems Matrixx Hybrid US Water SystemsMatrixx Hybrid $1,746
    6.5
  4. 4 SoftPro Elite City SoftPro Water SystemsElite City $1,367
    6.4
  5. 5 Aquasure Harmony 64K AquasureHarmony 64K $750
    6.3
  6. 6 Aquasure Harmony 48K AquasureHarmony 48K $630
    6.3
  7. 7 Kind Water E-2000UV Kind Water SystemsE-2000UV $2,412
    6.3
  8. 8 Aquasure Harmony 32K AquasureHarmony 32K $540
    6.1
  9. 9 Kind Water S-650UV Kind Water SystemsS-650UV $3,294
    5.9
  10. 10 Kind Water E-2000 Kind Water SystemsE-2000 $1,353
    5.9

How close the water softeners are

Every product we scored, placed by overall score. The 10 on this list are in color.

Lower
Mid
Upper
Top 10%
123
4.04.55.05.56.06.57.0
  • 1.08spread across the top 10
  • ±0.022 could swap places
  • on this list
  • the other 25 scored

The 10 best water softeners

In order of overall score. Under each: where it wins and loses on the three criteria that separate these 10, and why it sits where it does.

1 US Water Systems Matrixx Smart Metered
Best overall

US Water Systems Matrixx Smart Metered

$1,2321st of 35
7.0
Usability6.9Social7.0

On the deciding criteria

Contaminant Reduction8
Flow Rate10
Certification Coverage2

Why it sits here

  • Ahead of the US Water Systems Matrixx Smart with DROP by 0.17, led by value (7 against 5) and ease of installation (7 against 6).
3 US Water Systems Matrixx Hybrid
6.5
Usability6.1Social7.0

On the deciding criteria

Contaminant Reduction8
Flow Rate
Certification Coverage2

Why it sits here

  • Ahead of the SoftPro Elite City by 0.13, led by build quality (8 against 7).
  • Beats the US Water Systems Matrixx Smart with DROP above it on ease of installation (7 against 6), and still trails it by 0.26 overall.
4 SoftPro Elite City
6.4
Usability6.0Social6.8

On the deciding criteria

Contaminant Reduction8
Flow Rate
Certification Coverage2

Why it sits here

  • Ahead of the Aquasure Harmony 64K by 0.06, led by contaminant reduction (8 against 6) and warranty & support (10 against 5).
  • Beats the US Water Systems Matrixx Hybrid above it on ease of installation (8 against 7), and still trails it by 0.13 overall.
5 Aquasure Harmony 64K

Aquasure Harmony 64K

$7505th of 35 Level with 6th
6.3
Usability5.5Social7.2

On the deciding criteria

Contaminant Reduction6
Flow Rate8
Certification Coverage2

Why it sits here

  • Level with the Aquasure Harmony 48K below it (0.02 apart), though ahead on flow rate (8 against 6).
  • Beats the SoftPro Elite City above it on value (7 against 5), and still trails it by 0.06 overall.
  • Owners carry it: tied for 2nd of ten on owner reports (7.2), 7th on our specification score (5.48).
  • Wrong for anyone who wants a long warranty: warranty & support scores 5, against 10 for six of these ten.
6 Aquasure Harmony 48K

Aquasure Harmony 48K

$6306th of 35 Level with 5th
6.3
Usability5.2Social7.4

On the deciding criteria

Contaminant Reduction6
Flow Rate6
Certification Coverage2

Why it sits here

  • Ahead of the Kind Water E-2000UV by 0.07, led by value (7 against 4) and contaminant reduction (6 against 5).
  • Beats the Aquasure Harmony 64K above it on ease of installation (8 against 7), and still trails it by 0.02 overall.
  • Owners carry it: 1st of ten on owner reports (7.4), 8th on our specification score (5.24).
  • Wrong for homes that run several bathrooms at once: flow rate scores 6, against 10 for two of these ten.
7 Kind Water E-2000UV

Kind Water Systems E-2000UV

$2,4127th of 35
6.3
Usability5.9Social6.6

On the deciding criteria

Contaminant Reduction5
Flow Rate7
Certification Coverage5

Why it sits here

  • Ahead of the Aquasure Harmony 32K by 0.18, led by certification coverage (5 against 2) and warranty & support (10 against 5).
  • Beats the Aquasure Harmony 48K above it on certification coverage (5 against 2) and warranty & support (10 against 5), and still trails it by 0.07 overall.
  • On the three deciding criteria alone it would be 4th.
  • Wrong for anyone treating a specific contaminant: contaminant reduction scores 5, against 8 for four of these ten.
8 Aquasure Harmony 32K

Aquasure Harmony 32K

$5408th of 35
6.1
Usability5.0Social7.2

On the deciding criteria

Contaminant Reduction6
Flow Rate4
Certification Coverage2

Why it sits here

  • Ahead of the Kind Water S-650UV by 0.18, led by value (7 against 4) and ease of installation (8 against 5).
  • Beats the Kind Water E-2000UV above it on value (7 against 4) and contaminant reduction (6 against 5), and still trails it by 0.18 overall.
  • Owners carry it: tied for 2nd of ten on owner reports (7.2), tied for 9th on our specification score (4.95).
  • Wrong for homes that run several bathrooms at once: flow rate scores 4, against 10 for two of these ten.
9 Kind Water S-650UV

Kind Water Systems S-650UV

$3,2949th of 35
5.9
Usability6.0Social5.8

On the deciding criteria

Contaminant Reduction7
Flow Rate7
Certification Coverage5

Why it sits here

  • Ahead of the Kind Water E-2000 by 0.03, led by contaminant reduction (7 against 3) and certification coverage (5 against 2).
  • Beats the Aquasure Harmony 32K above it on certification coverage (5 against 2) and flow rate (7 against 4), and still trails it by 0.18 overall.
  • The specification carries it: tied for 4th of ten on our specification score (6.00), 10th on owner reports (5.8).
  • On the three deciding criteria alone it would be 3rd.
  • Wrong for homes that run several bathrooms at once: flow rate scores 7, against 10 for two of these ten.
10 Kind Water E-2000

Kind Water Systems E-2000

$1,35310th of 35
5.9
Usability5.0Social6.8

On the deciding criteria

Contaminant Reduction3
Flow Rate7
Certification Coverage2

Why it sits here

  • Beats the Kind Water S-650UV above it on warranty & support (10 against 7) and ease of installation (8 against 5), and still trails it by 0.03 overall.
  • Wrong for anyone treating a specific contaminant: contaminant reduction scores 3, against 8 for four of these ten.

Just outside the ten: the Aquasure Harmony Lite 34K, 11th at 5.9, 0.03 behind.

What separates them

Contaminant Reduction, Flow Rate and Certification Coverage.

  • /10every score
  • 10best here
  • move vs overall
  • T-tie
OverallProduct Contaminant Reduction3–8Flow Rate4–10Certification Coverage2–5 3-criteria score3-criteria rank
1 US Water Systems Matrixx Smart MeteredUS Water SystemsMatrixx Smart Metered 8 10 2 6.50 T-1
2 US Water Systems Matrixx Smart with DROPUS Water SystemsMatrixx Smart with DROP 8 10 2 6.50 T-1 ▲1
3 US Water Systems Matrixx HybridUS Water SystemsMatrixx Hybrid 8 2 5.33 T-5 ▼2
4 SoftPro Elite CitySoftPro Water SystemsElite City 8 2 5.33 T-5 ▼1
5 Aquasure Harmony 64KAquasureHarmony 64K 6 8 2 5.17 7 ▼2
6 Aquasure Harmony 48KAquasureHarmony 48K 6 6 2 4.67 8 ▼2
7 Kind Water E-2000UVKind Water SystemsE-2000UV 5 7 5 5.50 4 ▲3
8 Aquasure Harmony 32KAquasureHarmony 32K 6 4 2 4.17 9 ▼1
9 Kind Water S-650UVKind Water SystemsS-650UV 7 7 5 6.33 3 ▲6
10 Kind Water E-2000Kind Water SystemsE-2000 3 7 2 3.67 10

Ranked on these three alone, the order changes most for the Kind Water S-650UV (9th overall, 3rd on those three criteria) and the US Water Systems Matrixx Hybrid (3rd overall, tied for 5th on those three criteria).

3-criteria score: the weighted average of these three alone, and where it places each of the 10.

Where these ten fall short

What holds across the list rather than for one product.

  • CertificationNone of the 10 carry a health-effects certification (NSF/ANSI 53, 58, 401 or P473). 4 list none at all.
  • WarrantySplit 6 at lifetime, 3 at 5-year, 1 at 10-year.
  • PriceCheapest is the Aquasure Harmony 32K at $540: 0.88 behind first place, at 44% of its price.
  • Brands4 brands across the 10; US Water Systems has 3. No cap on any brand.

Best water softeners under $500

The same scores, cut by price. Rank is against all 35.

What changed since the last edition

First edition - nothing to compare yet. From the next edition this section lists every move, with its cause:

  • a new product
  • a price change
  • new owner reports
  • a change to how we score

Water softeners: common questions

What is the best water softener?

On our scores, the US Water Systems Matrixx Smart Metered: 7.0 overall, first of 35 we scored on 17 September 2026. The US Water Systems Matrixx Smart with DROP is 0.17 behind at $1,797.

What are the top rated water softeners?

On our scores: the US Water Systems Matrixx Smart Metered (7.0), the US Water Systems Matrixx Smart with DROP (6.8) and the US Water Systems Matrixx Hybrid (6.5). We score 35 water softeners in all, and the rest of the order is on this page.

Is the US Water Systems Matrixx Smart Metered better than the US Water Systems Matrixx Smart with DROP?

On our scores, yes: 7.0 overall against 6.8. The US Water Systems Matrixx Smart Metered is ahead on value (7 against 5) and ease of installation (7 against 6). They cost $1,232 and $1,797.

What are the best water softeners under $500?

The Aquasure Harmony Lite 34K at $490, 11th of 35 overall. Next are the Express Water WH100SP ($160, 16th) and the Aquasure Serene Lite 800K ($450, 19th).

How much does a water softener cost?

The 35 water softeners we score list at $160 to $3,294 at the maker's own store, and half cost $1,531 or less. The ten on this list run $540 to $3,294. Installation is extra.

Which of these water softeners has the best certification coverage?

The Kind Water E-2000UV and the Kind Water S-650UV score 5 on certification coverage, the highest of the ten.

Which of these water softeners has the longest warranty?

Six carry a lifetime warranty: the US Water Systems Matrixx Smart Metered, the US Water Systems Matrixx Smart with DROP, the US Water Systems Matrixx Hybrid, the SoftPro Elite City, the Kind Water E-2000UV and the Kind Water E-2000.

Which of these water softeners is best at contaminant reduction?

Four score 8 on contaminant reduction, the highest of the ten: the US Water Systems Matrixx Smart Metered (1st overall), the US Water Systems Matrixx Smart with DROP (2nd overall), the US Water Systems Matrixx Hybrid (3rd overall) and the SoftPro Elite City (4th overall).

Which of these water softeners has the best flow rate?

Two score 10 on flow rate, the highest of the ten (eight of the ten have a score): the US Water Systems Matrixx Smart Metered (1st overall) and the US Water Systems Matrixx Smart with DROP (2nd overall).

Which of these water softeners has the best filter life?

Two score 5 on filter life, the highest of the ten: the Kind Water E-2000UV (7th overall) and the Kind Water E-2000 (10th overall).

Which of these water softeners is the best built?

Four score 8 on build quality, the highest of the ten: the US Water Systems Matrixx Smart Metered (1st overall), the US Water Systems Matrixx Smart with DROP (2nd overall), the US Water Systems Matrixx Hybrid (3rd overall) and the Kind Water S-650UV (9th overall).

Which of these water softeners is the easiest to install?

Four score 8 on ease of installation, the highest of the ten: the SoftPro Elite City (4th overall), the Aquasure Harmony 48K (6th overall), the Aquasure Harmony 32K (8th overall) and the Kind Water E-2000 (10th overall).

Which of these water softeners is the best value?

Four score 7 on value, the highest of the ten: the US Water Systems Matrixx Smart Metered (1st overall), the Aquasure Harmony 64K (5th overall), the Aquasure Harmony 48K (6th overall) and the Aquasure Harmony 32K (8th overall).

What is the cheapest water softener on this list?

The Aquasure Harmony 32K at $540 (8th of 35 overall). The most expensive is the Kind Water S-650UV at $3,294.

Which of these water softeners do owners rate highest?

The Aquasure Harmony 48K, at 7.4 out of 10 on what owners and independent testers report, the highest of the ten. That comes from five sources, and it is 6th overall.

Which brands make the best water softeners?

Of the ten on this list, US Water Systems, Aquasure and Kind Water Systems have three each and SoftPro Water Systems has one. The top pick is from US Water Systems.

How many water softeners did you compare?

35, from 12 brands. We list 40: 5 are another size of a product already counted.

How is this list ranked?

By the overall score: half our specification score across eight criteria, half what owners and independent testers report across up to five sources. The same number sits on every product page.

When was this list last updated?

This edition is dated 17 September 2026. The list is rebuilt whenever our product data changes, and a new edition goes up once it has been checked. Anything that moved since the last edition is listed on this page with the reason.

Water Softeners comparisons

Head-to-heads between brands and products on this list.

Scores calculated 17 September 2026 · 35 products ranked; a product needs at least two independent sources to be ranked · How we score · All rankings

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