10 bestWhole House Water Treatment Systemsof November 2025

Aquasure Harmony Series 48,000 Grains Whole House Water Softener w/High Efficiency Digital Metered Control Head (48,000 Grains)

Aquasure

9.8

Express Water RO5DX Reverse Osmosis Filtration NSF Certified 5 Stage RO System with Faucet and Tank – Under Sink Water Plus 4 Filters – 50 GPD, 14 x 15 x 5, White

Express Water

9.6

Whole House Well Water Filtration System Filters Iron, Sulfur, Arsenic, Manganese & More - 1" Digital Valve, 1 CuFt

PRO+AQUA

9.4

Express Water Incorporated WH300SCGS Whole House Water Filter – 3 Stage Home Filtration, 23.5" x 8.5" x 30"

Express Water

9.2

iSpring WGB32B 3-Stage Whole House Water Filter System w/ 20-Inch Sediment and Carbon Block Filters

iSpring

9.0

OtherRelated productsUp to 26% off

Waterdrop 17UA 3 Years Under Sink Water Filter System-Reduces Lead, Chlorine, Bad Taste & Odor-Under Counter Water Filter Direct Connect to Kitchen Faucet-NSF/ANSI 42 Certified-24000 Gallons-USA Tech

Waterdrop 15UA Under Sink Water Filter System, Reduces Lead, Chlorine, Bad Taste & Odor, Under Counter Water Filter Direct Connect to Kitchen Faucet, NSF/ANSI 42 Certified, 16000 Gallons, USA Tech

Waterdrop TSU 0.01μm Ultra-Filtration Under Sink Water Filter System, 3-Stage High Capacity, USA Tech, Smart Panel, No Waste Water, 2 Years Lifetime

Waterdrop TSA 3-Stage Under Sink Water Filter, Water Filtration System Under Sink System, Direct Connect to Home Faucet, NSF/ANSI 42 Certified Element, USA Tech

RainFresh MEGA8BR Whole House UV System

RainFresh

8.8

Geekpure 2 Stage Whole House Water Filter System with 20 Inch Blue Housing - 4.5"x 20" PP + Carbon

14% off

Geekpure

8.5

Express Water Incorporated WH300SCKS Heavy Metal Whole House Water Filter – Remove Lead

Express Water

8.3

iSpring UVF55FS Whole House UV Water Filter with Smart Flow Sensor Switch, 55W, 12 GPM

6% off

iSpring

8.0

VIQUA VH200 Home Stainless Steel Ultraviolet Water System - 9 GPM 35W

7% off

Viqua

7.8