Water Softener Brands
Start here
Brand matters less than getting the size right. Work out the capacity your household needs first, then use these pages to compare what each manufacturer offers at that size. Every spec is read from the manufacturer's own documentation.
SpringWell
4 units specced · 32,000–80,000 grains
Factory-direct US manufacturer of whole-house water treatment. Its SS-series salt-based softeners and FutureSoft salt-free conditioner are the premium tier of our database, with lifetime tank/valve warranties.
Aquasana
1 unit specced
Filtration-first brand: its softening option is a salt-free conditioner sold standalone or bundled with the Rhino whole-house filter. Best fit for homes that want scale control without salt, not maximum hardness removal.
SoftPro
2 units specced · 32,000–48,000 grains
High-efficiency softeners sold through Quality Water Treatment. The Elite series advertises up-flow regeneration that cuts salt and water use versus conventional down-flow units.
Whirlpool
3 units specced · 30,000–40,000 grains
The most-recognized big-box softener brand, sold primarily at Lowe's. WHES-series cabinet units are compact and budget-friendly, and capacity ratings are NSF-tested at a stated salt dose.
GE
2 units specced · 40,000–45,100 grains
GE's GXSH cabinet softeners are the Home Depot counterpart to Whirlpool at Lowe's: similar platform, compact footprint, budget pricing.
Rheem
2 units specced · 32,000–42,000 grains
Known for water heaters, Rheem sells its Preferred-series cabinet softeners through Home Depot. Comparable platform to GE and Whirlpool cabinet units.
A.O. Smith
2 units specced · 35,000–45,000 grains
A.O. Smith's AO-WH-SOFT softeners are sold through Lowe's, sitting a step above the cabinet-unit tier on capacity and warranty.
Aquasure
2 units specced · 32,000–48,000 grains
Value-priced whole-house systems sold direct and on Amazon. The Harmony series undercuts premium direct-to-consumer brands on price while publishing full spec sheets.
Comparing across brands
Once you know your size, the fastest way to choose is the full comparison chart, which sorts every unit we track by capacity, salt use and price regardless of who makes it. If you are on a well, start instead with the softeners rated for iron, because iron rules out most units before brand ever matters.