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Whole House Salt-Free Water Descal…

$399.99

Home Depot

4.5

600,000 Gallon Capacity Salt-Free …

32,000 Grain Preferred Home W…

Home Whole House Salt-Free Eco-Frien…

$506.99

Home Depot

3.5

Serene 650K Gal. Whole House Salt-…

$349.99

Home Depot

4.0

Serene 800K Gal. Whole House Salt-…

$449.99

Home Depot

4.0

On The Go OTG4-VM-DBLSOFT Port…

Harmony Series 32,000 Grain Digita…

Water Softener 30K Grains-Luxurious Q…

$549.99

Home Depot

3.5

Harmony Lite All-In-One Water Softene…

42,000 Grain Preferred Plus Wat…

Simply Soft 40,000 Grain Whole Hous…

$799.00

Home Depot

5.0

Harmony Series 48,000 Grain Electr…

42,000 Grain Preferred Platinu…

Manor Whole House Salt-Free Eco-Frien…

YARNA Capacitive Electronic Water D…

VEVOR RV Water Softener, 16,000 G…

$113.99

Amazon.com

4.5

Whole House Water Softener/Reverse …

$792.40

Home Depot

4.0

Scalewatcher 1001 3 Star Electronic H…

$399.00

FactoryPure

4.0

Portable RV Water Softener Filter An…

$329.94

Home Depot

4.5

Whole House Water Softener/Reverse …

$792.40

Home Depot

4.0

Portable RV Water Softener Filter An…

$329.94

Home Depot

4.5

Harmony Series 60,000 Grain Whol…

YARNA Capacitive Electronic Water D…

Harmony Series 70,000 Grain Whol…

VEVOR RV Water Softener, 16,000 G…

$113.99

Amazon.com

4.5

Scalewatcher 1001 3 Star Electronic H…

$399.00

FactoryPure

4.0

EDDY Inductive No Salt Water Softene…

Waterboss Whole House Salt Free De…

$284.99

Amazon.com

4.5

Scalewatcher 4 Star Electronic Hard W…

$636.30

FactoryPure

3.5

Scalewatcher 1004 Nano Electronic H…

$234.90

FactoryPure

4.0

H&G Lifestyles Portable Water Sof…

AQUA CREST Inline Water Filter, Dedic…

$21.99

Amazon.com

Hardless NG4 Whole House Wate…

$449.00

Amazon.com

4.0

Waterdrop AP431 AP430SS Whole H…

$41.99

Amazon.com

4.5

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  Crystal Quest Water Softener | Whol…
  $2,116.00
  A
  Amazon.com
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  Crystal Quest Water Softener | Whol…
  $2,416.00
  W
  Walmart
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  Crystal Quest Smart + Softener | Who…
  $2,794.00
  A
  Amazon.com
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  Therma-Kleen Inline Water Softener …
  $320.00
  U
  US Cleaningtools
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  Superior Model P Inline Water Soften…
  $34.99
  U
  US eBay
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  2023 Hard Water Treatment At Hom…
  $104.00
  A
  Alibaba.com
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  In-Line Water Softener & Deionizer W…
  $159.99
  G
  Griot's Garage
  Free shipping
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  3.6
  ·
  63
  3.6
  63 ratings
  Waterboss 36400 Grain Water Softe…
  $785.33
  E
  eBay
  Free shipping
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  SAAS Inline Water Softener No Electr…
  $67.00
  A
  Alibaba.com
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  4.1
  ·
  72
  4.1
  72 ratings
  Ecopure 35600 Grain Hybrid Water S…
  $749.99
  A
  Ace Hardware
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  Used
  3.6
  ·
  63
  3.6
  63 ratings
  Waterboss 36,400 Grain Water Softe…
  $199.00
  E
  eBay.com
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  32,000 Grain Preferred Home Water …
  $617.38
  E
  eBay.com
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  New32,000 Grain Preferred Home W…
  $555.60
  E
  eBay.com
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  Water Softener, 32,000 Grains Whol…
  $688.49
  E
  eBay
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  5
  ·
  6
  5
  6 ratings
  420 Water Softener With Ultra Flow V…
  $1,299.44
  E
  eBay
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16. Saved
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  Water Softener, 32,000 Grains Whol…
  $688.49
  U
  US eBay
  Free shipping
17. Saved
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  North Star - 2-In-1 Water Softener An…
  $2,341.60
  E
  eBay.com
  Free shipping
18. Saved
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  Fleck 5600 SXT Digital Metered Well …
  $899.00
  Walmart
19. Saved
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  4.2
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  339
  4.2
  339 ratings
  Aquasure Harmony Series 32,000 Gr…
  $475.99
  A
  Amazon.com
  Free shipping
20. Saved
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  5
  ·
  10
  5
  10 ratings
  Water Softener, 40,000 Grains Whol…
  $833.85
  E
  eBay
  Free shipping
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  4.2
  ·
  339
  4.2
  339 ratings
  AQUASURE 32000 Grain Harmony W…
  $489.50
  L
  Lowe's
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  4.2
  ·
  340
  4.2
  340 ratings
  Aquasure Harmony Series 30,000 Gr…
  $499.99
  A
  Amazon.com
  Free shipping
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  Do It Best 32 000 Grain Water Soften…
  $1,237.65
  D
  DkHardware.com
24. Saved
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  3.5
  ·
  4
  3.5
  4 ratings
  Water Softener 45K Grains-Luxuriou…
  $683.87
  H
  Home Depot
  Free shipping
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  3.5
  ·
  103
  3.5
  103 ratings
  AQUASURE 32000 Grain Harmony Lit…
  $403.37
  L
  Lowe's
26. Saved
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  Iron Pro 48K Combination Water Soft…
  $1,199.00
  W
  Walmart
  Free shipping
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  4.6
  ·
  5
  4.6
  5 ratings
  Ivation H2O 40,000 Grain, Water Soft…
  $699.99
  W
  Walmart
  Free shipping
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  Fleck 5600 SXT 48,000 Grain Home …
  $820.00
  W
  Walmart
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  3
  ·
  7
  3
  7 ratings
  Aquasure Harmony Lite All-In-One W…
  $599.99
  E
  eBay
  Free shipping
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  Performa Logix High Flow Large Ho…
  $800.00
  Walmart
31. Saved
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  4
  ·
  38
  4
  38 ratings
  Water Boss 74011 Waterboss Water …
  $591.73
  W
  Walmart
  Free shipping
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  Whole House Water Softener Syste…
  $639.99
  A
  Amazon.com
33. Saved
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  Fleck Digital Metered Water Softene…
  $748.00
  E
  eBay.com
  Free shipping
34. Saved
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  PREMIERSOFT SALT FREE WATER C…
  $1,025.00
  Walmart
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  LATEST PENTAIR FLECK CONTROLL…
  $792.00
  U
  US eBay
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  4.2
  ·
  339
  4.2
  339 ratings
  Aquasure Harmony Series 50,000 Gr…
  $629.99
  A
  Amazon.com
  Free shipping
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Scalewatcher 1002 5 Star Electronic H…
$925.20
FactoryPure
3.0
·
2
Curbside
Whirlpool 33000.0 -Grain Water Soften…
$499.00
Lowe's
Waterboss 22000 Grain Water Soften…
$529.99
Ace Hardware
4.0
·
102
Kenmore 350 Water Softener System - …
$624.95
Amazon.com
4.5
·
111
Curbside
Whirlpool 44000.0 -Grain Water Soften…
$599.00
Lowe's
3.0
·
5
Ispring EDV2 Whole House Super Wate…
$272.99
Amazon.com
4.0
·
1K+
Whirlpool 31000.0 -Grain Pro Series H…
$749.00
Lowe's
HYDROFLOW Pearl | Electronic Water D…
$295.00
$295.00 / 1 ct
Amazon.com
Free shipping
Ispring WSP-50SL Reusable Whole H…
$50.53
Amazon.com
4.5
·
1K+
Waterboss 22000 Grain Water Soften…
$639.99
Ace Hardware
Hardless NG4L Whole House Wate…
$549.00
Amazon.com
4.0
·
43
5% Off*
VEVOR Water Softener 32,000 Gr…
$458.99
VEVOR
Waterboss 36400 Grain Water Soften…
$559.99
Ace Hardware
Capacitive Electronic Water D…
$255.86
Walmart
4.0
·
1K+
Filterelated RV Water Softener -16…
$109.99
Amazon.com
4.0
·
44
16 % price drop
PRO+AQUA Portable RV Water Softener …
$263.95
Amazon.com
4.5
·
1K+
AQUA CREST AP431 AP430SS Whole H…
$43.69
Amazon.com
4.5
·
90
Ispring WCS45KG Whole House Wate…
$966.40
Amazon.com
4.5
·
31
Kenmore 420 Water Softener System - …
$798.47
Amazon.com
4.0
·
97
Cost-effective · Effortless Installation · Sleek Design & Sturdy Construction
Ecopure 31000 Grain Water Soften…
$619.99
Ace Hardware
4.5
·
62
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$49 Water Softener Diagnostic | Same-Day Service

Top 10 Best Inline Water Softener of 2025