On the deciding criteria
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).
Top rated water softeners · ranked by score17 September 2026
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.
The top 10 at a glance
US Water SystemsMatrixx Smart Metered
$1,232
US Water SystemsMatrixx Smart with DROP
$1,797
US Water SystemsMatrixx Hybrid
$1,746
SoftPro Water SystemsElite City
$1,367
AquasureHarmony 64K
$750
AquasureHarmony 48K
$630
Kind Water SystemsE-2000UV
$2,412
AquasureHarmony 32K
$540
Kind Water SystemsS-650UV
$3,294
Kind Water SystemsE-2000
$1,353
Every product we scored, placed by overall score. The 10 on this list are in color.
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.
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
Just outside the ten: the Aquasure Harmony Lite 34K, 11th at 5.9, 0.03 behind.
Contaminant Reduction, Flow Rate and Certification Coverage.
| Overall | Product | Contaminant Reduction3–8 | Flow Rate4–10 | Certification Coverage2–5 | 3-criteria rank |
|---|---|---|---|---|---|
| 1 | US Water SystemsMatrixx Smart Metered |
8 | 10 | 2 | T-1 |
| 2 | US Water SystemsMatrixx Smart with DROP |
8 | 10 | 2 | T-1 ▲1 |
| 3 | US Water SystemsMatrixx Hybrid |
8 | — | 2 | T-5 ▼2 |
| 4 | SoftPro Water SystemsElite City |
8 | — | 2 | T-5 ▼1 |
| 5 | AquasureHarmony 64K |
6 | 8 | 2 | 7 ▼2 |
| 6 | AquasureHarmony 48K |
6 | 6 | 2 | 8 ▼2 |
| 7 | Kind Water SystemsE-2000UV |
5 | 7 | 5 | 4 ▲3 |
| 8 | AquasureHarmony 32K |
6 | 4 | 2 | 9 ▼1 |
| 9 | Kind Water SystemsS-650UV |
7 | 7 | 5 | 3 ▲6 |
| 10 | Kind Water SystemsE-2000 |
3 | 7 | 2 | 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.
What holds across the list rather than for one product.
The same scores, cut by price. Rank is against all 35.
First edition - nothing to compare yet. From the next edition this section lists every move, with its cause:
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.
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.
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.
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).
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.
The Kind Water E-2000UV and the Kind Water S-650UV score 5 on certification coverage, the highest of the ten.
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.
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).
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).
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).
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).
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).
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).
The Aquasure Harmony 32K at $540 (8th of 35 overall). The most expensive is the Kind Water S-650UV at $3,294.
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.
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.
35, from 12 brands. We list 40: 5 are another size of a product already counted.
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.
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.
Head-to-heads between brands and products on this list.

Water SoftenersAquasure Harmony 64K vs SoftPro ECO City6.3 vs 5.8
Water SoftenersSpringWell SS1 vs SoftPro Elite City5.5 vs 6.4
Brand comparisonUS Water Systems vs AquasureEvery product both brands sell
Brand comparisonUS Water Systems vs SpringWellEvery product both brands sell
Brand comparisonSpringWell vs AquasureEvery product both brands sell
Brand comparisonSoftPro Water Systems vs SpringWellEvery product both brands sellScores calculated 17 September 2026 · 35 products ranked; a product needs at least two independent sources to be ranked · How we score · All rankings