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Water Softeners under $300

All Water Softeners

6 water softeners under $300. Most cost $209 to $299, and half cost less than $282.

All filtersFilters×
BrandOn The Go4Blu Technology1PRO+AQUA1
PriceUnder $2502$250 & above4
Clear allShow 6 Water Softeners
6 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
On The Go

Portable or RV, 16000 Grain capacity

+16,000 grain capacity for portable softening
+Double softener design
+Assembled in the United States
−Portable unit, not a whole house system
$209.00
as of 11/04/2026 00:34 PST - Details
Blu Technology

Portable or RV, 10000 Grain capacity

+Portable design suits RVs and travel use
+Stainless steel construction
+10,000 grain capacity
−Not a whole house system
$299.99
as of 11/03/2026 23:13 PST - Details
On The Go

Portable or RV, 16000 Grain capacity

+Portable compact design moves between locations
+Double standard configuration adds softening capacity
+Drinking water safe brass construction
$209.00
as of 11/04/2026 00:32 PST - Details
PRO+AQUA

Portable or RV, 16000 Grain capacity

+Portable design suits RVs, trailers and boats
+16,000 grain capacity for larger water loads
+Built for pressure washing and mobile car wash use
$279.95
as of 11/04/2026 00:45 PST - Details
On The Go

Portable or RV, 16000 Grain capacity

+Portable design suits RVs and temporary setups
+16,000 grain capacity for larger water needs
+Double unit design doubles the softening capacity
$287.00
as of 11/04/2026 00:32 PST - Details

Compare specs

water softenerSystem typeGrain capacitySpec scorePrice
Portable or RV16000n/a$209.00
as of 11/04/2026 00:34 PST - Details
Portable or RV10000n/a$299.99
as of 11/03/2026 23:13 PST - Details
n/a$283.70
as of 11/04/2026 00:32 PST - Details
Portable or RV16000n/a$209.00
as of 11/04/2026 00:32 PST - Details
Portable or RV16000n/a$279.95
as of 11/04/2026 00:45 PST - Details
Portable or RV16000n/a$287.00
as of 11/04/2026 00:32 PST - Details

Before you buy

Other price ranges

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Popular filters

Water Softeners with Whole House33Salt-Based Water Softeners23Water Softeners with Metered Regeneration14Salt-Free Water Softeners11Fleck 5600SXT Water Softeners948,000-Grain Water Softeners9Water Softeners with Iron Removal8Portable or RV Water Softeners8

Water Softeners by use

48,000 Grain Water Softeners and Up21

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.