10 Best whole house reverse osmosis systems of 2025

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Best Choice

1

APEC WATER

APEC Water Systems TO-SOLUTION-15 Whole House Water Filter, Salt Free Water Softener & Reverse Osmosis Drinking Water Filtration Systems for 3-6 Bathrooms
9.9

Exceptional

Our Rating
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Value for Money

2

Aquasana
Aquasana Whole House Well Water Filter | 500K Gallons | UV, Carbon & KDF | Salt-Free Softener Alternative | Install Kit | Tackles up to 99.99% Chlorine, Bacteria, Viruses & Scale | EQ-WELL-UV-PRO-AST

13% Off
Main highlights

Activated Carbon Filtration
Reduces organic chemicals like pesticides while maintaining water pressure.

Ideal for Well Water
Perfect for homes with wells, providing clean, mineral-rich water.

Improved Water Quality
Most praised for enhancing taste and smell of water.
9.8

Exceptional

Our Rating

8.0
Easy installation

8.0
Flavor

8.0
worth the money
3

iSpring
iSpring RCB3P Tankless Reverse Osmosis RO Water Filtration System, 300 GPD RO System, Reduces TDS, 1.5:1 Pure to Drain, Booster Pump & Pressure Gauge for Residential & Light Commercial Use
Main highlights

High Capacity Filtration
Removes up to 99% of over 1,000 contaminants and hardness.

Ideal for Light Commercial Use
Perfect for restaurants, salons, labs, and offices needing high-quality water.

Praised for Reliability
Customers highlight its consistent performance and low maintenance needs.
Key specs
- Filtration Stages:Reverse Osmosis
- Installation Type:Freestanding
- Dimensions:19.5L x 11W x 28H
- Contaminants Removed:Up to 99% of 1000+
- material:N/A
9.7

Exceptional

Our Rating

9.7
Tech Support

9.5
worth the money

9.5
Flavor
4

iSpring
iSpring CRO1000 4-Stage Tankless Commercial Reverse Osmosis Water Filtration System, for House, Restaurant, Small Business, and Light Industrial Use,1000 GPD High Flow, Upgraded Size Filters

16% Off
Main highlights

High Capacity and Tankless Design
The iSpring CRO1000 delivers 1,000 gallons per day with a tankless design for on-demand clean water.

Versatile Applications
Ideal for homes, restaurants, small businesses, and light industrial use, providing reliable clean water solutions.

Exceptional Customer Support
Customers praise the responsive and helpful customer support, ensuring smooth operation and satisfaction.
Key specs
- Filtration Stages:4-Stage
- Installation Type:Freestanding metal frame
- Dimensions:23.5 x 10.5 x 38.25 inches
- Contaminants Removed:99% of over 1,000 contaminants
- material:N/A
9.6

Exceptional

Our Rating

9.3
Flavor

8.7
Easy installation

8.0
worth the money
5

Aquasure
Aquasure 64,000 Grains Whole House Water Filter Bundle with Automatic Digital Metered Control Softener and 75 GPD RO Reverse Osmosis Drinking System | Removes Hardness | Ideal for 4-6+ bathrooms
Main highlights

Efficient Water Softening
Removes 64,000 grains of hardness, eliminating skin-damaging minerals.

Ideal for Large Households
Perfect for homes with 4-6 bathrooms and up to 6 members.

Easy Installation Praised
Many users found installation straightforward, even for DIY enthusiasts.
Key specs
- material:Premium-quality materials
- special feature:Aquatrol control head
- capacity:64,000 grains
- dimensions:13 x 13 x 62 inches
- color:N/A
9.3

Excellent

Our Rating

9.7
Water tight

9.3
Tech Support

8.7
Easy installation
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6

EXPRESS WATER
Express Water Whole House Water Filter System | ULTIMATE PROTECTION | 3 Stage Home Filtration, Top Tier Heavy Metal + Anti-Scale Filter, Highly Reduces Scale, Chloramine, Chlorine, PFAs, Lead, Arsenic
Main highlights

Advanced Filtration Technology
Three-stage system reduces heavy metals, scale, and contaminants.

Versatile Home Use
Ideal for well, tap, or municipal water filtering.

Customer Praised Water Quality
Users love the improved taste and clarity of water.
Key specs
- Filtration Stages:3-Stage
- Installation Type:Inline, under-sink
- Dimensions:29 x 8.5 x 30 inches
- Contaminants Removed:Mercury, lead, heavy metals
- material:N/A
9.2

Excellent

Our Rating

9.9
Water tight

9.3
Easy installation

8.9
materials Quality
7

iSpring
iSpring RCC7AK, NSF Certified, 75 GPD, Alkaline 6-Stage Reverse Osmosis System, pH+ Remineralization RO Water Filter System Under Sink, Patented Top-Mounted Faucet Design for Easy Installation

15% Off
Main highlights

Advanced Filtration System
6-stage filtration with alkaline remineralization for pure, healthy water.

Ideal for Home Use
Perfect for under-sink installation, providing clean water daily.

Outstanding Customer Service
Praised for responsive, helpful support and easy issue resolution.
9.1

Excellent

Our Rating

9.7
Flavor

9.5
Simple to use

9.3
lasts a long time
8

HQUA
HQUA WF3-01 3-Stage Whole House Water Filtration System, Reduces Heavy Metals (Lead, Mercury, Copper, Nickel, Chromium), Chloramine, Sediment, Odor, and VOC’s
Main highlights

Comprehensive Filtration System
Includes sediment, GAC+KDF, and carbon block filters for clean, safe water.

Ideal for Whole House Use
Perfect for homes needing high flow and multi-stage filtration.

Praise for Leak Prevention
Brass threads prevent leaks, ensuring durable connections.
Key specs
- Filtration Stages:3 Stage
- Installation Type:Bracket-mounted
- Dimensions:22 x 9.5 x 28 inches
- Contaminants Removed:Heavy Metals, Chemicals
- material:N/A
9.0

Excellent

Our Rating
9

Waterdrop

[Dual Flow] Waterdrop WD-T4-A Alkaline pH+ Reverse Osmosis Water Filter, NSF/ANSI 372 Certified, 10-Stage, 450GPD Tankless Undersink RO Filtration System, 2:1 Pure to Drain, BPA Free, Plug-in required
8.9

Very Good

Our Rating
10

Reverse Osmosis Revolution
Whole House 3-Stage Water Filtration System, 3/4" Port with 2 valves and Extra 3 Filters Set
Main highlights

Efficient Multistage Filtration
Three-stage system effectively removes sediment, chlorine, VOCs, and odors, improving water quality and taste.

Ideal for City Water Users
Perfect for households on city water seeking affordable, easy-to-install filtration.

Ease of Installation Praised
Customers appreciate the straightforward installation process and system's overall value.
8.6

Very Good

Our Rating

9.1
Easy installation

8.0
worth the money

8.0
Flavor

10 Best whole house reverse osmosis systems of 2025

1

APEC Water Systems TO-SOLUTION-15 Whole House Water Filter, Salt Free Water Softener & Reverse Osmosis Drinking Water Filtration Systems for 3-6 Bathrooms

How do we rank?

How do we rank?

Analyzing top stores

2

Aquasana Whole House Well Water Filter | 500K Gallons | UV, Carbon & KDF | Salt-Free Softener Alternative | Install Kit | Tackles up to 99.99% Chlorine, Bacteria, Viruses & Scale | EQ-WELL-UV-PRO-AST

8.0

8.0

8.0

3

iSpring RCB3P Tankless Reverse Osmosis RO Water Filtration System, 300 GPD RO System, Reduces TDS, 1.5:1 Pure to Drain, Booster Pump & Pressure Gauge for Residential & Light Commercial Use

9.7

9.5

9.5

4

iSpring CRO1000 4-Stage Tankless Commercial Reverse Osmosis Water Filtration System, for House, Restaurant, Small Business, and Light Industrial Use,1000 GPD High Flow, Upgraded Size Filters

9.3

8.7

8.0

5

Aquasure 64,000 Grains Whole House Water Filter Bundle with Automatic Digital Metered Control Softener and 75 GPD RO Reverse Osmosis Drinking System | Removes Hardness | Ideal for 4-6+ bathrooms

9.7

9.3

8.7

6

Express Water Whole House Water Filter System | ULTIMATE PROTECTION | 3 Stage Home Filtration, Top Tier Heavy Metal + Anti-Scale Filter, Highly Reduces Scale, Chloramine, Chlorine, PFAs, Lead, Arsenic

9.9

9.3

8.9

7

iSpring RCC7AK, NSF Certified, 75 GPD, Alkaline 6-Stage Reverse Osmosis System, pH+ Remineralization RO Water Filter System Under Sink, Patented Top-Mounted Faucet Design for Easy Installation

9.7

9.5

9.3

8

HQUA WF3-01 3-Stage Whole House Water Filtration System, Reduces Heavy Metals (Lead, Mercury, Copper, Nickel, Chromium), Chloramine, Sediment, Odor, and VOC’s

9

[Dual Flow] Waterdrop WD-T4-A Alkaline pH+ Reverse Osmosis Water Filter, NSF/ANSI 372 Certified, 10-Stage, 450GPD Tankless Undersink RO Filtration System, 2:1 Pure to Drain, BPA Free, Plug-in required

10

Whole House 3-Stage Water Filtration System, 3/4" Port with 2 valves and Extra 3 Filters Set

9.1

8.0

8.0

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