10 Best Whole House Reverse Osmosis Systems 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing products, scanning reviews, spending more than 36 hours of research and speaking with our test users, we think the iSpring RCS5T 500GPD Commercial Tankless Reverse Osmosis RO Water Filter is the one of the Best Whole House Reverse Osmosis System on the market.

# Image Name Brand Price
1
⭐Best Choice
iSpring RCS5T 500GPD Commercial Tankless Reverse Osmosis RO Water Filter
iSpring RCS5T 500GPD Commercial Tankless Reverse Osmosis RO Water Filter System with 1:1 Drain Ratio Check price iSpring $$$$$ Check price
2
Best under $500
iSpring WGB32B 3-Stage Whole House Water Filtration System w/ 20"
iSpring WGB32B 3-Stage Whole House Water Filtration System w/ 20" x 4.5" Big Blue Fine Sediment and Carbon Block Filters Check price iSpring $$$$$ Check price
3 APEC Top Tier Supreme Certified Alkaline Mineral pH+ High Output APEC Top Tier Supreme Certified Alkaline Mineral pH+ High Output 90 GPD 6-Stage Ultra Safe Reverse Osmosis Drinking Water Filter System (ULTIMATE RO-PH90) Check price APEC Water Systems $$$$$ Check price
4
💲Best value for the money
APEC Water Systems Ultimate RO-Hi Top Tier Supreme Certified High
APEC Water Systems Ultimate RO-Hi Top Tier Supreme Certified High Output Fast Flow Ultra Safe Reverse Osmosis Drinking Water Filter System, 90 GPD Check price APEC Water Systems $$$$$ Check price
5 Express Water Heavy Metal Whole House Water Filter Express Water Heavy Metal Whole House Water Filter - 3 Stage Home Water Filtration System - Sediment, KDF, Carbon Filters - includes Pressure Gauges, Easy Release, and 1" Inch Connections Check price Express Water $$$$$ Check price
6
👑Premium Pick
WECO HydroSense Light Commercial Reverse Osmosis Water Filter System (HydroSense-0500GAC-CAL-UV)
WECO HydroSense Light Commercial Reverse Osmosis Water Filter System (HydroSense-0500GAC-CAL-UV) Check price N/A $$$$$ Check price
7 iSpring RCB3P 300 GPD Light Commercial Reverse Osmosis RO Water iSpring RCB3P 300 GPD Light Commercial Reverse Osmosis RO Water Filter System with Booster Pump, Pressure Gauge Check price iSpring $$$$$ Check price
8 APEC Water Systems RO-90 Ultimate Series Top Tier Supreme Certified APEC Water Systems RO-90 Ultimate Series Top Tier Supreme Certified High Output 90 GPD Ultra Safe Reverse Osmosis Drinking Water Filter System, Chrome Faucet Check price APEC Water Systems $$$$$ Check price
9 3M Aqua-Pure Whole House Sanitary Quick Change Water Filter System 3M Aqua-Pure Whole House Sanitary Quick Change Water Filter System AP904, Reduces Sediment, Chlorine Taste and Odor, and Scale Check price 3M Aqua-Pure $$$$$ Check price
10
Best under $150
iSpring WGB21B 2-Stage Heavy Duty Whole House Water Filtration System
iSpring WGB21B 2-Stage Heavy Duty Whole House Water Filtration System, 10"x4.5" Big Blue Sediment Filter and CTO(Chlorine, Taste, and Odor) Filter, 1" Inlet/Outlet Check price iSpring $$$$$ Check price

iSpring RCS5T 500GPD Commercial Tankless Reverse Osmosis RO Water Filter – Best Overall Whole House Reverse Osmosis System

iSpring RCS5T 500GPD Commercial Tankless Reverse Osmosis RO Water Filter
  • SUPERIOR 5-STAGE FILTRATION: 1st PP Sediment Filter (removes larger particles like rust, sand and dirt.) 2nd GAC Filter (effectively adsorb free chlorine, humus, disinfection byproducts, smells, discoloration.) 3rd Carbon Block Filter (removes any residual chlorine, tastes & odors, also extending membrane's life.) 4th Dual-Flow RO Membrane (removes heavy metals & other harmful substances.) 5th Post Carbon filter (removes chlorine, tastes, and odors.)
  • GREAT CAPACITY: Advanced Dual-Flow 500GPD membrane saves 60% of water, with LOW WASTE 1:1 drain to clean water ratio. Great for light commercial in Restaurants, Salons, Labs, and Offices all benefit in their ways from high-quality RO water.
  • HIGH EFFICIENCY BOOSTER PUMP: No worries for low water pressure. Built in booster pump increases the production of purified water by raising the water pressure and maximizes RO production rate to the optimal level for the reverse osmosis process.
  • FEATURES: Come with chrome drinking water faucet with 360° free swivel and easy to read water pressure gauge.
  • EASY-TO-INSTALL AND REPLACE FILTER: Typically, in a couple of hours with industry-leading help just a phone call away with well-organized instructions and videos. Clear see-through 1st stage housing makes filter inspection a snap.

iSpring WGB32B 3-Stage Whole House Water Filtration System w/ 20" – Best under $500

iSpring WGB32B 3-Stage Whole House Water Filtration System w/ 20"
  • Protect Your Family and Household Appliance from Sediment, Chlorine, and More: Say goodbye to smelly, bad tasting water! Our system removes up to 99% of chlorine from water as well as up to 95% of sediment, rust, pesticides, herbicides, industrial solvents, VOCs, and various other contaminants. This system is installed at the main water supply line in order to treat all the water in your home.
  • DIY Installation and Maintenance: Refer to our manual and our helpful YouTube videos for easy DIY installation. With 1" NPT inlet / outlet and Big Blue 20" x 4.5" filter cartridges, the system has minimum impact on water flow (up to 15 GPM) and requires minimum maintenance.
  • Top-Notch Quality: The first stage high capacity polypropylene sediment filter is able to achieve filtration down to 5 microns. The second and third stage CTO Carbon Block filters are made of high quality coconut shell carbon for maximum filtration efficiency and filter life. Both are tested by an independent third-party to meet NSF/ANSI standards. The system has a capacity of 100,000 gallons of water, enough to supply a family of four with clean water for a full year.
  • Peace of Mind Customer Service: Register online to activate your extended manufacturer warranty and life-time free tech support from U.S. local support team. We stand behind our products and if you encounter any problems with any of our products please reach out to us immediately. We are happy to help!
  • Please Note: 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.

APEC Top Tier Supreme Certified Alkaline Mineral pH+ High Output

APEC Top Tier Supreme Certified Alkaline Mineral pH+ High Output
  • SUPREME QUALITY: Built with super long-lasting 100% US MADE filters, RO-PH90 is the most durable system in the industry that lasts for decades. System is designed, engineered and assembled in USA to guarantee water safety & your health
  • HIGH PERFORMANCE: Guaranteed to remove up to 99% of contaminants including arsenic, chlorine, lead, fluoride, heavy metals, bacteria, virus and 1000+ contaminants. Provides unlimited ultra-fresh, clean, great tasting water right at home. Save money, time and hassle of buying costly, bottled water
  • WQA Certified: RO-PH90 is tested and certified by WQA to remove up to 99% of contaminants including arsenic, chlorine, lead, fluoride, heavy metals, bacteria, virus and 1000+ contaminants
  • pH Enhanced: Add 100% US-Made high-purity calcium carbonate to effectively raise pH in the water for those who desire alkaline water
  • EQUIPPED WITH PREMIUM FAUCET & PARTS: Comes with 100% metal, 100% lead-free luxury designer faucet, plus FDA Certified JG Food grade tubing to provide safe, contamination-free pure water. The original, top-notch JG Quick Connect fittings for easy and secure leak-seal
  • LIFETIME SUPPORT: Provides you the ultimate satisfaction and peace of mind with our lifetime support and 2 year manufacturer warranty with registration

APEC Water Systems Ultimate RO-Hi Top Tier Supreme Certified High – Best Budget Whole House Reverse Osmosis System

APEC Water Systems Ultimate RO-Hi Top Tier Supreme Certified High
  • Supreme quality: built with super long-lasting 100% US made filters, RO-Hi is the most durable system in the industry that lasts for decades. System is designed, engineered and assembled in USA to guarantee water safety & your health.
  • High performance: Tested and certified by WQA to remove up to 99% of contaminants including arsenic, chlorine, lead, fluoride, heavy metals, bacteria, virus and 1000+ contaminants. Provides unlimited ultra-fresh, clean, great tasting water right at home. Save money, time and hassle of buying costly, bottled water.
  • Quick dispense: big 3/8" fast-flow output design increases the flow rate of water from tank to faucet. The higher water flow will allow you to fill up a glass or pitcher of water much faster. Reduces wait time when drawing and filling large pots of water for making soups or beverages.
  • Equipped with premium faucet & parts: comes with 100% metal, 100% lead-free luxury designer faucet, plus FDA certified JG food grade tubing to provide safe, contamination-free pure water. The original, top-notch jg quick connect fittings for easy and secure leak-seal.
  • Lifetime support: provides you the ultimate satisfaction and peace of mind with our lifetime support and 2 year manufacturer warranty with registration. Your health will never be compromised with a RO-Hi system.

Express Water Heavy Metal Whole House Water Filter

Express Water Heavy Metal Whole House Water Filter
  • Take the Contaminants Out of Your Home - Drink from any faucet without fear when we remove Chlorine, Iron, Rust, Lead, Pesticides, Mercury, Dirt, Sand, Viruses, Fungi, Sulfur, Insecticides, Chloramine, Silt, Turbidity, Aluminum, Copper, Volatile Organic Chemicals (VOC), Herbicides, Cadmium, Copper, Hydrogen Sulfate, Nickel, Chromium, Cloudiness, and Odors
  • Exactly what you need - Get clean water from any faucet. All our filters are specially engineered to work together, producing the safest water for home use
  • Clearly Easy - A clear first stage housing lets you easily monitor your system and see when you need to replace your filters
  • Don't Waste Time on Maintenance - Our quick and easy to understand design means you can swap out filters quick and easy
  • Quality Guaranteed - Rest easy with our 1 year warranty on all Express Water Systems and free lifetime support

WECO HydroSense Light Commercial Reverse Osmosis Water Filter System (HydroSense-0500GAC-CAL-UV) – Premium Pick

WECO HydroSense Light Commercial Reverse Osmosis Water Filter System (HydroSense-0500GAC-CAL-UV)
  • Reverse osmosis drinking water purification system for residential and light commercial applications
  • Sediment and compressed carbon block pre-filtration removes tiny particles like rust, silt, taste and odor-causing chemicals like chlorine, chloramine and rotten-egg odors.
  • Standard 1812 Volume Thin Film Composite reverse osmosis membrans removes up to 98.5% of water contaminants like nitrate, TDS, fluoride, lead, sodium and mercury.
  • Automated water pressure sensors and booster pumps keep system functioning at maximum capacity.
  • Ideal for residential use, medical offices, laboratories, schools, aquariums and hydroponic growing operations.

iSpring RCB3P 300 GPD Light Commercial Reverse Osmosis RO Water

iSpring RCB3P 300 GPD Light Commercial Reverse Osmosis RO Water
  • High capacity Reverse Osmosis systems removes up to 99% of over 1, 000 contaminants and hardness, including lead (removes up to 98% of lead), chlorine, fluoride, arsenic, calcium, sodium and more.
  • Super-efficient RO membranes combine to provide up to 300 gallons of purified reverse osmosis water daily. Rejects wide spectrum of impurities down to .0001 micron.
  • Built in booster pump increases the production of purified water by raising the water pressure. Compatible with 11 or 20 gallon iSpring storage tank. TANK NOT INCLUDED.
  • Freestanding Stainless Steel Frame and Metal hanging bracket. Makes your installation and filter changes easier while adding a protective buffer for your system. Great for light commercial use in Restaurants, salons, labs, and offices all benefit in their own ways from high quality RO water.
  • 40 - 100F, 25 - 90 psi, Extended manufacturer warranty, Support at 123filter dot com, 678-261-7611, Alpharetta GA

APEC Water Systems RO-90 Ultimate Series Top Tier Supreme Certified

APEC Water Systems RO-90 Ultimate Series Top Tier Supreme Certified
  • Enjoy unlimited ultra-fresh, clean, great tasting water right at home. Save money, time and hassle of buying costly, bottled water
  • Designed, engineered and assembled in USA, RO-90 is the most durable system in the industry to guarantee water safety & your health
  • Tested and certified by WQA to remove up to 99% of contaminants such as chlorine, taste, odor, VOCs, as well as toxic fluoride, arsenic, lead, nitrates, heavy metals and much more.
  • Large super capacity filters deliver 2X contaminant removing capacity for fewer filter change outs compared to smaller all-in-one filters that clog up quickly
  • Comes with 100% lead-free designer faucet, plus FDA Certified JG Food grade tubing to provide safe, contamination-free pure water. The original, top-notch JG Quick Connect fittings for easy and secure leak-seal
  • Simple and organized, RO-90 is designed to make identifying and replacing filters intuitive and easy
  • Provides you the ultimate satisfaction and peace of mind with our lifetime support and 2 year manufacturer warranty with registration.Maximum feed water pressure (psi):85

3M Aqua-Pure Whole House Sanitary Quick Change Water Filter System

3M Aqua-Pure Whole House Sanitary Quick Change Water Filter System
  • CLEARLY GREAT WATER: This whole house water filter reduces sediment build-up, chlorine taste and odor as well as scale* - helping to increase the life of hot water heaters and appliances (dishwashers, clothes washers, etc).
  • EASY TO REPLACE: Sanitary Quick Change (SQC) design allows for fast and easy change-outs of the 3M Aqua-Pure AP917HD-S Replacement Water Filter Cartridge without having to contact the filter media or the need for a filter wrench.
  • 100,000 GALLON CAPACITY: Replacement cartridge has an activated carbon filter with nominal heavy duty particulate reduction rating of 5 microns and a 100,000 gallon capacity at high flow rates of 10 gpm and even at intermittent peak flow rates of 20 gpm.**
  • FLOW RATE: 1" inlet and outlet connections to help a plumbing professional with easy installation and peak flow rates up to 20 gpm to meet the water pressure demands of most homes.
  • CORROSION RESISTANT: 304 stainless steel head can be installed on existing copper pipes in the home. It consists of a corrosion resistant material that provides long service life.Fitting Type: NPT Female
  • NSF STANDARD 42 CERTIFIED: Tested by one of the world's most respected independent certification organizations that helps protect the world's food, water, consumer product and environment.
  • IDEAL FOR larger homes and is effective with both chlorinated (municipal) and non-chlorinated (well water) systems.

iSpring WGB21B 2-Stage Heavy Duty Whole House Water Filtration System – Best under $150

iSpring WGB21B 2-Stage Heavy Duty Whole House Water Filtration System
  • Two-Stage Effective Filtration: 1st-Stage premium 5-micron polypropylene sediment filter (FP15B) captures dirt, sand, silt, dust, rust, and scale particles and extends the life of CTO carbon block filter. 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.
  • Top-Notch Customer Service: Backed by a 30-day money-back guarantee and extended manufacturer warranty upon warranty registration at iSpring. Lifetime tech support(678-261-7611) from Alpharetta, GA USA.
  • TDS Note: 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.

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