Compare Water Softeners Side by Side
All 24 softeners, conditioners and combos from our rankings in one sortable table. Values marked * come from the seller listing and are not yet confirmed by the maker. For our picks and reasons, see the best water softener rankings; for wells, the well water list.
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Swipe the table sideways to see every column. Tap a heading to sort.
| Type | Price band | ||||||
|---|---|---|---|---|---|---|---|
| Aquasana SimplySoft 40K | salt-based | 40,000 grains | 11.02 gpm | — | 200 gpg (compensated) | 5/10-year limited | $600–$900 |
| AFWFilters Fleck 5600SXT 48K | salt-based | 48,000 grains* | 14 gpm* | — | — | 5 years* | $600–$900 |
| Aquasure Harmony 48K | salt-based | 48,000 grains | 12 gpm* | — | — | — | $600–$900 |
| Tier1 48K | salt-based | 48,000 grains* | 18 gpm* | — | — | 10 yr tanks, 1 yr valve* | $300–$600 |
| GE Smart Water Softener 35K | salt-based | 35,000 grains | 8 gpm* | — | — | — | $600–$900 |
| Kenmore 350 | salt-based | 32,000 grains | 7.2 gpm* | — | 45 gpg | 1 yr full, 3 yr electronics, 10 yr tank* | $600–$900 |
| iSpring WCS45KG | salt-based | 45,000 grains | 8 gpm | — | — | 1 year* | $900–$1,300 |
| PRO+AQUA 80K | salt-based | 80,000 grains* | — | 2 (clear-water)* | — | — | $900–$1,300 |
| AFWFilters Fleck 9100SXT Twin 48K | dual-tank | 48,000 per tank (96,000 total)* | — | — | — | — | $1,300+ |
| DuraWater Fleck 9100SXT Twin | dual-tank | 48,000 per tank* | — | — | — | — | $1,300+ |
| Aquasure Harmony Lite 34K | salt-based | 34,000 grains | 3.13 gpm* | — | — | — | $300–$600 |
| Kenmore 420 | salt-based | 40,000 grains* | 7.7 gpm* | 10 (clear-water)* | 120 gpg* | 1 yr full, 3 yr electronics, 10 yr tank* | $600–$900 |
| EcoPure EP42 | salt-based | 42,200 grains (at max salt dose) | 8.2 gpm | 11 (clear-water) | 110 gpg | 1 yr full, 3 yr electronics, 10 yr tank* | $900–$1,300 |
| Aquasure Harmony 50K Fine Mesh | salt-based | 50,000 grains* | — | 10 ppm* | — | — | $600–$900 |
| DuraWater Fleck 5600SXT Iron Blaster 48K | salt-based | 48,000 grains* | — | — | — | 60 months* | $600–$900 |
| A. O. Smith Salt-Free Scale Control | salt-free | — | 7 gpm* | — | 15 gpg | 6-year limited | $300–$600 |
| Watts Premier OneFlow Plus | salt-free | — | 10 gpm | — | 30 gpg | 5-year tank* | $600–$900 |
| Water Boss Salt-Free Scale Control | salt-free | — | 7 gpm | — | 15 gpg | 6-year limited* | $300–$600 |
| Aquasure Serene Lite | salt-free | — | 10 gpm* | — | 25 gpg* | 5-year limited (activate online within 60 days) | $300–$600 |
| Kind Water Systems E-3000 | salt-free | — | 15 gpm | — | 75 gpg | — | $1,300+ |
| Kenmore Elite 520 Hybrid | combo | 31,000 grains | 8 gpm* | — | — | 1 yr full, 3 yr electronics, 10 yr tank* | $900–$1,300 |
| AFWFilters Fleck 48K + Upflow Carbon | combo | 48,000 grains* | 12 gpm* | — | — | 5 yr valve, 10 yr tank* | $1,300+ |
| GE Smart Softener with Filtration 30K | combo | 30,000 grains* | 8 gpm* | — | — | — | $900–$1,300 |
| Aquasure Softener + RO Bundle | combo | — | — | — | — | — | $900–$1,300 |
* From the seller's Amazon listing; not yet confirmed by the manufacturer. — means the value isn't published.
Will it fit? Softener heights to scale
How to read this: each bar is drawn to the same scale against a 7 ft (84 in) basement ceiling; leave about 6 in above the valve to service it.
Need help reading these numbers? Our buying guide explains grains, flow and iron limits, and how a water softener works covers the basics.