Home Compare
Softener Comparisons The Pairs People Shortlist
Two systems at a time, on capacity at each dose, certification, flow and price.
Whirlpool WHES40 vs GE GXSH45W
The two certified big-box softeners: NSF at 7.6 gpm against IAPMO at 9.5 gpm, and near-identical salt efficiency.
Fleck 5600SXT vs Whirlpool WHES40
A repairable DIY valve you program yourself against a sealed big-box unit with a published salt table.
SpringWell SS vs SoftPro Elite
The two online brands people ask about most. Neither has a listing or a salt-dose table on file.
SpringWell FutureSoft vs Pelican NS3
Two TAC conditioners rated to 75 gpg. What each one’s scale claim rests on.
Aquasure Harmony 48K vs Fleck 5600SXT
The budget kit against the certified valve: $629.99 and no listing, or $876 and a WQA record.
Want a different pair? Every figure is in the systems table, and the calculator runs salt per year for every softener with a published dose table.