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Salt-Free Water Softeners

All Water Softeners

11 salt-free water softeners from NuvoH2O, Kind Water Systems and Aquasure. Most cost $400 to $1,849, and half cost less than $699.

All filtersFilters (1)×
System type: Salt-free  ×Clear all
BrandNuvoH2O4Aquasure2Kind Water Systems2A. O. Smith1Tier11Water Boss1
System typeSalt-free11
Whole houseWhole house10
PriceUnder $4002Under $5001Under $6001Under $7001Under $2,0001$400 & above7$600 & above5$1,500 & above3
Clear allShow 11 Water Softeners
System type: Salt-free  ×11 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
NuvoH2O

Salt-free

+Whole-home system covers every tap in the house
+Salt-free operation needs no salt refills
+Designed to retain healthy minerals in water
−Salt-free type does not remove hardness minerals like salt-based softeners
$699.00-7%Was: $755.00
as of 11/04/2026 00:29 PST - Details
NuvoH2O

Salt-free

+Salt-free design uses no salt in the treatment process
+Citrus-based formula is named as a feature of the system
+Water filter and softener combined in one system
−Salt-free systems do not remove hardness the way salt-based softeners do
No current price. Check it at the store.
Kind Water Systems

Salt-free

+Whole-house system covers every tap in the home
+Salt-free design means no salt to refill
+Filters dirt, sand, and debris
−Salt-free type does not remove hardness minerals like salt-based softeners
$1,217.64-10%List: $1,352.93
as of 11/03/2026 23:45 PST - Details
A. O. Smith

Salt-free

+Whole house system covering all water outlets
+Salt-free design with no brine tank needed
+Handles flow up to 15 GPM
−Salt-free scale control does not soften water
$399.99
as of 11/04/2026 10:38 PST - Details
Tier1

Salt-free

+Salt-free design needs no salt refills
+Whole house system treats water at every tap
+Rated for 900,000 gallons of water treatment
−Salt-free units do not soften water by removing hardness minerals
$554.59
as of 11/04/2026 05:40 PST - Details
Kind Water Systems

Salt-free

+Whole house coverage treats water at every tap
+Salt-free operation needs no salt refills
+Includes a filter for city water
−Salt-free units do not remove hardness minerals the way salt-based softeners do
No price recorded yet.
Water Boss

Salt-free

+Whole house coverage
+Salt-free scale control
+15 GPM flow rate
−Salt-free system prevents scale rather than softening water
$349.99
as of 11/04/2026 07:40 PST - Details
NuvoH2O

Salt-free

+Whole-house coverage for the entire water supply
+Listed for iron filtration
+Listed for chloramine reduction
−Salt-free type does not remove hardness minerals like salt-based softeners
$1,944.50
as of 11/04/2026 00:29 PST - Details
NuvoH2O

Salt-free

+Whole-house coverage for the entire water supply
+Combines carbon and sediment filtration in one system
+Salt-free operation needs no salt refills
−Salt-free type does not remove hardness minerals like salt-based softeners
$1,773.19
as of 11/04/2026 00:29 PST - Details
Aquasure

Salt-free

+Whole house system treats all water entering the home
+Salt-free design requires no salt refills
+Rated for 800,000 gallons of treated water
$441.99
as of 11/04/2026 11:42 PST - Details
Aquasure

Salt-free

+Whole house system treats all water entering the home
+Salt-free design requires no salt refills
+Rated for 10 GPM flow for whole house use
$1,849.99
as of 11/04/2026 11:42 PST - Details

Compare specs

water softenerSystem typeSpec scorePrice
Salt-freen/a$699.00
as of 11/04/2026 00:29 PST - Details
Salt-freen/aNo current price
Salt-freen/a$1,217.64
as of 11/03/2026 23:45 PST - Details
Salt-freen/a$399.99
as of 11/04/2026 10:38 PST - Details
Salt-freen/a$554.59
as of 11/04/2026 05:40 PST - Details
Salt-freen/aNo current price
Salt-freen/a$349.99
as of 11/04/2026 07:40 PST - Details
Salt-freen/a$1,944.50
as of 11/04/2026 00:29 PST - Details
Salt-freen/a$1,773.19
as of 11/04/2026 00:29 PST - Details
Salt-freen/a$441.99
as of 11/04/2026 11:42 PST - Details

Before you buy

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Related product types

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Spec scores, pros and cons, and prices are explained in the How it works section of the About page.