10 Best Whole House Water Filtration Systems of 2025

Tested and Reviewed: Top 10 Whole House Water Filtration Systems deals with expert ratings from 8.1 to a perfect 10

June 2025 Edition

Editor's Choice

9.7

Reverse Osmosis Revolution

Whole House 3-Stage Water Filtration System, 3/4" port with 2 valves and extra 1 year filter supply (2 sets, 6 pcs)

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Editor's bottom line:

“This whole house water filtration systems is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

1st stage: Premium Quick-Connect 5 micron sediment filter. Dust, dirt, silt, sand, rust and scale particles are trapped here in a filter which also extends the life of the system.
2nd stage: Premium 10" GAC Granular Activated Carbon filter removes chlorine, radon, VOCs (volatile organic compounds) and other common chemicals. This filter also removes cloudiness, offensive odors, colors and unpleasant tastes.
3rd stage: 10" Premium CTO Carbon Block filter removes chlorine, VOCs (volatile organic compounds, including insecticides, pesticides and industrial solvent). Taste improvement. Build in USA.
Connection: 3/4" thread.
included 2 extra sets of filters as a replacement. You need to change filters every 4-6 months.

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Picked by 296 people today

9.5

Save 8%

Aquasure

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

8% Off

Main Highlights

PERFECTLY DESIGNED FOR 3-4 BATHROOMS The Aquasure Harmony Series is the professional grade water softener that delivers ultra-softened water to every outlet throughout your entire home.
HIGHLY EFFICIENT Rated to treat 48,000 Grains of hardness by removing skin damaging hard minerals like calcium and magnesium that clog up the skin pore and causes irritation. Triple Purpose Sediment/Carbon/Zinc pre-filter effectively removes 99% of water contaminants such as chlorine, VOCs, pesticides, bad odors, taste, soil, silt, sand, rust, heavy metals, and sediment.
PROTECTS YOUR APPLIANCES Reduces water hardness and eliminates scale buildup while preventing damage to your plumbing and prolonging the lifespan of household appliances such as washing machine, dishwasher, water heater, etc.
AUTOMATIC DIGITAL METERED CONTROL HEAD Comes with a fully programmable backlit digital display which allows you to easily customize your auto-flush intervals depending on your incoming water quality and water usage. Also allows for easy monitoring and hassle-free maintenance.
PREMIUM QUALITY Every Aquasure Water Softener is constructed with a high-strength, corrosion-resistant, fiberglass-lined polyethylene tank, durable bypass valve, and prefilled premium-grade resin. Besides the 30-day money-back, Aquasure stands behind its products by providing 5-year extended manufacturer warranty and life-time free US based tech support when you activate your product online within 60 days.

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9.5

Save 10%

Waterdrop

Waterdrop Whole House Water Filter System, with Carbon Filter and Sediment Filter, 5-Stage Filtration, Highly Reduce Lead, Chlorine, Odor and Taste, 2-Stage 5 Micron WD-WHF21-PG, 1" Inlet/Outlet

10% OffFree Shipping

Main Highlights

Efficient filtrationThe impressive 10 x 4.5 PP filter and GAC filter combination achieves a 5-stage filtration, effectively reducing large particles and sediments larger than 5 microns. The whole house water filter also reduces chlorine, lead, benzene, mercury, peculiar smell, sand, rust, and more. GAC filter adopts natural coconut shell, which reduces funny taste and odor, while improving the water taste for you. With this filter, you get constant pure water with a better taste.
Longer lifespanThe GAC filter is expected to be changed every six months, while the PP filter is due for a change every 3-6 months. Waterdrops house water filtration system features longer lifespan, therefore saving your potential replacement cost. The durable housing is made from food-grade materials only. It has passed tests to confirm work under the pressure of 25-90psi without external damage and crack. The pressure is daily water pressure in USA. Please rest assured to purchase and use.
Stable water flowThe whole house water filter system has passed 100,000+ water hammer tests to ensure the stable and safe water supply. The large water capacity is enough to provide the whole household pure water with a smooth and stable flow rate.
DIY installationThe installation is so simple that you can do it on your own following the instructions in the manual. The included wrench facilitates the replacement, installation, and related processes. Please wrap the telfon tape appropriatly, wrap too many turns or too thick will shorten the life of the copper.
Protects water appliancesThis 10"x4.5" whole house water filtration system protects your water pipes from rust and extends the lifespan of your water-related appliances by delivering clean water source without clogging.Waterdrop is an independent brand.

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9.2

Save 18%

iSpring

iSpring WGB21B 2-Stage Whole House Water Filtration System, with 10" x 4.5" Sediment CTO(Chlorine, Taste, and Odor) Filter, 1" Inlet/Outlet

18% OffFree Shipping

Main Highlights

[Two-Stage Effective Filtration] The whole house water filter has 1st-Stage premium 5-micron polypropylene sediment filter (FP15B) captures dirt, sand, silt, dust, rust, and scale particles, using high quality coconut shell carbon and highly compact fabrication tech, 2nd-stage CTO filter(FC15B) knocks out cloudiness as well as bad tastes and odors, removes over 90% of chlorine, and is highly effective on VOCs like pesticides, herbicides, and industrial solvents.
[Superb Filtration Capacity] 10"x4. 5" replaceable whole house water filters can provide up to a full year of clean water(up to 50, 000 gallons) for a family of four. 1-inch inlet and outlet ports allow fast water flow with less pressure loss. Fine PP sediment filter and premium quality CTO filter not only bring clean and fresh water to every faucet in your house, but also help prolong the lives of your water-using appliances and protect plumbing from sediment and scale buildup.
[Easy Installation and Filter Change] The system comes pre-assembled onto the mounting bracket for a streamlined, DIY installation. Filter wrench included to make routine filter changes easy and quick. A pressure release valve allows for the release of built-up pressure when changing filters. Refer to our manual and/or YouTube videos to Install this point-of-entry (POE) filtration system at the main water supply to get clean and healthy water for the entire family.
[Retain Valuable Minerals] Unlike an RO system, this system will NOT reduce Total Dissolved Solids (TDS), and instead keeps healthy minerals in your water. If you are interested in a filter that removes TDS, consider our iSpring Reverse Osmosis (RO) systems.
[Peace-of Mind Customer Service] Backed by a 30-day money-back guarantee, 1-year warranty, and extended manufacturer warranty upon warranty registration at iSpring. Lifetime CS and tech support from Atlanta, GA USA. We stand behind our products. If you encounter any problems with any of our products, please reach out to us immediately. We are happy to help!

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9.0

APEC WATER

APEC Water Systems ROES-50 Essence Series Top Tier 5-Stage WQA Certified Ultra Safe Reverse Osmosis Drinking Water Filter System with Extra High Capacity Pre-Filter Set Stage 1-3

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Main Highlights

Supreme quality - designed, engineered, and assembled in USA to guarantee water safety & your health.
Only technology to remove up to 99% of impurities including arsenic, chlorine, lead, fluoride, heavy metals, and 1000+ impurities. Max Total Dissolved Solids - 2000 ppm. Feed Water Pressure 40-85 psi
WQA Certified System. Premium long-lasting filters used to treat tap water, well water. Provide unlimited clean, refreshing crisp tasting water superior to bottled water
America's No.1 rated water filter brand with 20 years of success guaranteeing trouble free, noise-free system for long lasting, dependable, pure drinking water.
System comes with 100% lead-free designer faucet, plus Certified JG premium grade tubing and parts to provide safe, impurity-free pure water. Pipe Size:1/4 inches
VALUE BUNDLE includes additional set of Pre-Filters (stages 1-3) only. Pre-filters should be changed once every 6 months for optimal performance

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8.8

Save 13%

AO Smith

AO Smith Whole House Water Filter System - Whole Home Filtration for Well & City Water - Filters 96.9% of Chlorine Taste & Odor - 6 yr, 600,000 Gl, AO-WH-FILTER

13% OffFree Shipping

Main Highlights

Advanced Filtration For Healthy, Great Tasting Water - The AO-WH-FILTER reduces 96.9% of Chlorine taste & odor for clean water from every tap in your home. NOT a water softening system.
Improve Skin, Hair & Air Quality - Reduce exposure to chlorine & other harmful chemicals that can cause excessive drying, and keep chlorine from evaporating into the air you breathe for cleaner air throughout your home.
Works For All Your Water Needs - System effectively filters water for use in drinking, cooking, showering & bathing. Perfect for households of 4 or more people. No Drainage, back flushing or water-waste. System will not reduce TDS, sulfur, or iron.
Long Lasting & Cost Efficient - Central filter lasts for 6-Years or 600,000 Gallons, and comes with a 6-Year limited warranty.
Simple DIY Installation - Package comes with Central Water Filter, shut-off valve, hose adapter and nipple. May require some additional tools for installation. No plumber needed. Please consult owners manual for full instructions.

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Best Value

8.6

Save 19%

iSpring

iSpring Whole House Water Filter System, Highly Reduces Sediment, Taste, Odor, and up to 99% Chlorine, 3-Stage w/ 20-Inch Sediment and Carbon Block Filters, Model: WGB32B, 1" Inlet/Outlet

19% OffFree Shipping

Main Highlights

Chlorine-Free, Pure Water: Shield your family and appliances with the WGB32B whole house water filtereradicating up to 99% of chlorine, along with sediments, rust, tastes, odors, herbicides, and more for clean, odor-free water.
Easy DIY Setup: Utilize our manual and YouTube guides for straightforward installation. Featuring 1 NPT inlet/outlet and 20 x 4.5 filters, this whole house water filtration system maintains robust water flow (up to 15 GPM) with minimal maintenance.
Premium Filtration: The first stage sediment filter reaches 5 microns, while the second and third stage CTO Carbon Block filters use quality coconut shell carbontested by a third-party to meet NSF/ANSI standards. The system has a 100,000-gallon capacity for a year's supply.
Customer Service Assurance: Activate your extended warranty and lifelong tech support by registering online. We're committed to prompt assistancereach out if you encounter any issues.
TDS-Friendly System: Unlike RO systems, our whole house water filters maintain healthy minerals in water. Explore our iSpring Reverse Osmosis (RO) systems if TDS removal is desired.
Freshness Guaranteed: Individually wrapped cartridges ensure freshness; unwrap them before use for optimal performance.

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8.3

Save 15%

EXPRESS WATER

Whole House Water Filter System| ULTIMATE PROTECTION | 3 Stage Water Purifier Whole Home, Top-Tier Heavy Metal + Anti-Scale Filters, High Reduction in Scale, Chloramine, Chlorine, PFAs, Lead, Arsenic

15% OffFree Shipping

Main Highlights

WHOLE HOUSE WATER FILTRATION: Notice the difference immediately with 3-stage water filtration process throughout your home. From every faucet enjoy crystal clear, drinkable, water and protect your health, pipes, and appliances.
COMPREHENSIVE FILTRATION SYSTEM: The ULTIMATE PROTECTION system was specifically designed to significantly reduce Chlorine, Heavy Metals (Lead, Arsenic, Chromium +More), and stop scale build-up in whole home water supply.
DELUXE WATER FILTER: With the Express Water Deluxe Series you get a heavy duty stainless steel bracket and free-stand frame. The system includes pressure release buttons for each filter and pressure gauges for system monitoring and ease of filter change.
ANTI-SCALE PROTECTION: Avoid costly repairs, ensure that pipes & appliances in your home are protected from scale and dirt/silt build-up. Laboratory packed polyphosphate works to effectively take out scale before entering home.
HEAVY METAL PROTECTION: Defend your home at every faucet from harmful heavy metals such as Lead, Arsenic, Mercury, Chromium, Cadmium and more. Heavy metals are increasingly found in water supplies due to seepage and run-off.
FILTER SCHEDULE: Depending on whole home usage and inlet water quality, filters 1-3 should be replaced every 6-12 months, or 100K gallons of water filtration. Our 1" connection, and filters, allow for 0.25 gallons per second at 45-80 PSI.
PLEASE NOTE: This 3-stage whole house water filtration system does NOT reduce TDS. If that is one of your desires, please consider one of our reverse osmosis systems - search "Express Water RO5DX" on Amazon.

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8.1

EXPRESS WATER

Express Water - Whole House Water Filter System - 3-Stage Water Filtration System - Sediment, KDF & Carbon Filters - Reduce Heavy Metals - Clean Drinking Water - Stainless Steel - Water Pressure Gauge

Free Shipping

Main Highlights

WHOLE HOUSE WATER FILTRATION: Notice the difference immediately with our 3-stage water filtration process throughout your home. From every faucet enjoy crystal clear, drinkable, water and protect your health, pipes, and appliances.
COMPREHENSIVE FILTRATION SYSTEM: The HEAVY METAL system was specifically designed to significantly reduce heavy metals using our premium KDF media in a process call redox, changing impurities into harmless byproducts.
DELUXE WATER FILTER: With the Express Water Deluxe Series you get a heavy duty stainless steel bracket and free-stand frame. The system includes pressure release buttons for each filter and pressure gauges for system monitoring and ease of filter change.
SOFTENER & APPLIANCE PROTECTION: Avoid costly repairs, ensure that pipes & appliances in your home are protected from dirt & silt build-up. It's recommended for those with Water Softener systems, install a filtration system at water inlet before Softener.
FILTER SCHEDULE: Depending on whole home usage and inlet water quality, filters 1-3 should be replaced every 6-12 months, or 100K gallons of water filtration. Our 1" connection, and filters, allow for 0.25 gallons per second at 45-80 PSI.
PLEASE NOTE: This 3-stage whole house water filtration system does NOT reduce TDS. If that is one of your desires, please consider one of our reverse osmosis systems - search "Express Water RO5DX" on Amazon.
NSF CERTIFIED FILTERS: Our fitlers have been tested by independent 3rd party and are 100% NSF certified. To easily find compatible replacement filter for this system, search on Amazon "FLTWH2045CKS1".

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8.1

Aquasana

Aquasana Whole House Well Water Filter System - Softener Alternative w/ UV Purifier, Salt-Free Descaler, Carbon & KDF Media Filters Sediment 97% Of Chlorine 500,000 Gl- EQ-WELL-UV-PRO-AST

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Main Highlights

Clean, Great Tasting Water From Every Tap In Your Home - Activated carbon is effective at reducing organic chemicals including pesticides and herbicides while allowing for a fast and reliable flow rate with no noticeable change in water pressure.
High-Performance Well Filter System - Salt-free conditioner, carbon and KDF filtration engineered to maximize filtration and reduce scale while leaving healthy minerals in your water. This system will NOT reduce Total Dissolved Solids (TDS)
Cost Efficient and Long Lasting - Clean water for less than 0.01 dollar a gallon - Save twice as much compared to other brands on purified water for 500,000 gallons or 5 years
Salt-Free Scale Prevention: Minimize scale buildup in pipes and plumbing through a salt-free and chemical-free system. No cleaning, backwashing, salt bags, or electricity are required. This system does not soften water or remove minerals that cause hardness
Effective Solution for Moderate Hardness: Best suited for water with hardness below 15 grains per gallon, alkalinity under 250 mg/L, pH below 8.3, and iron content less than 0.3 ppm. Conditions water for drinking, cooking, and bathing for households of 4+.

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Our Best Overall Choice

Best Choice

9.7

Reverse Osmosis Revolution

Whole House 3-Stage Water Filtration System, 3/4" port with 2 valves and extra 1 year filter supply (2 sets, 6 pcs)

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

1st stage: Premium Quick-Connect 5 micron sediment filter. Dust, dirt, silt, sand, rust and scale particles are trapped here in a filter which also extends the life of the system.
2nd stage: Premium 10" GAC Granular Activated Carbon filter removes chlorine, radon, VOCs (volatile organic compounds) and other common chemicals. This filter also removes cloudiness, offensive odors, colors and unpleasant tastes.
3rd stage: 10" Premium CTO Carbon Block filter removes chlorine, VOCs (volatile organic compounds, including insecticides, pesticides and industrial solvent). Taste improvement. Build in USA.
Connection: 3/4" thread.
included 2 extra sets of filters as a replacement. You need to change filters every 4-6 months.

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