10 Best Whole House Reverse Osmosis Systems 2022

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

iSpring WGB32B 3-Stage Whole House Water Filtration System w/ 20-Inch – ⭐ Best Overall Whole House Reverse Osmosis System

WGB32B by iSpring

  • Weight: 45 pounds
  • Dimensions: 24.3 x 7.8 x 27.8 inches
iSpring WGB32B 3-Stage Whole House Water Filtration System w/ 20-Inch
  • 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.

iSpring RCB3P 300 GPD Light Commercial Reverse Osmosis RO Water

RCB3P by iSpring

  • Color: Pressure Gauge
  • Weight: 52 pounds
  • Dimensions: 14 x 10 x 30 inches
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, asbestos, calcium, sodium and more.
  • Freestanding Stainless Steel Frame and Metal hanging bracket. Makes your installation and filter changes easier while adding a protective buffer for your system
  • 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.
  • Great for light commercial use in Restaurants, salons, labs, and offices all benefit in their own ways from high quality RO water.

Express Water 600 GPD Commercial Reverse Osmosis Water Filtration System – 👑 Premium Pick

ROMAX600LTE by Express Water

  • Dimensions: 15.7 x 18.1 x 31.5 inches
Express Water 600 GPD Commercial Reverse Osmosis Water Filtration System
  • Commercial RO Water Filter: Reduce up to 99.99% of impurities including Lead, Chlorine, Fluoride, Cyanide, Radium, Asbestos, Calcite, Heavy Metal, Pharmaceuticals, organic pollutants & toxicants, & other major impurities from your water.High Quality Commercial RO System: Express Water Commercial Reverse Osmosis Water Filtration Systems are designed to be compact and durable. Built with a stainless-steel frame, all components are protected and compactly organized for maximized storage
  • Efficient Commercial Water Filter: This Commercial RO Filter is outfitted with a pre-installed computer interface module and easy-to-read gauges for maximum control and efficiency in your commercial water filter system.5 Stage Commercial RO Filter: Express Water 5 Stage Commercial Water Filter Systems includes 5 micron Sediment filter, 2 Activated Carbon Block filters, Post-Activated Carbon filter and Reverse Osmosis Membrane for clean, clear, and fresh water wherever you need it
  • Commercial Water Filter System: Express Water’s commercial reverse osmosis water filters reduce dissolved solids from your water, increasing efficiency and life span of water appliances while making ultrapure water perfect for restaurant, cafe, office, industry, medical needs, metal treatment, doctor’s office, spa, and much more.
  • Invest in Filtration: Protect appliances, boilers, steam equipment, washing machines, dishwashers, hot water heaters and more with 5-stage high capacity RO filtration.Catch More Impurities: Density grading of the membrane layers gives your filtration the most surface area which means your filter catches more impurities and lasts longer giving you the best value in commercial water filtration.
  • A Filtration System You Can Trust: Inner membrane layers made from polyamide dry type thin-film composite. Tested and verified by independent laboratories, complies with NSF / ANSI Standard. On Demand Support: Support from experts who can answer any of your questions about your commercial water filters.

Whole House 3-Stage Water Filtration System – 💲 Best Budget Whole House Reverse Osmosis System

WHF-34F5 by Reverse Osmosis Revolution

  • Color: Clear
  • Warranty: 1 year for hardware. Filters - 1 month.
Whole House 3-Stage Water Filtration System
  • 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.

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

5621104 by 3M Aqua-Pure

  • Color: Blue
  • Weight: 10.35 pounds
  • Dimensions: 25.2 x 4.5 x 4.5 inches
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 micronss 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.

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

RO-90 by APEC Water Systems

  • Color: Chrome Faucet
  • Weight: 25 pounds
  • Dimensions: 16 x 5.3 x 17.5 inches
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 including arsenic, chlorine, lead, fluoride, heavy metals, virus and 1000+ contaminants
  • 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 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

Reverse Osmosis Revolution Dual Stage Whole House Water Purification System

ROR-2S2Y by Reverse Osmosis Revolution

  • Color: Clear/Black Cap
  • Dimensions: 16 x 8 x 12 inches
Reverse Osmosis Revolution Dual Stage Whole House Water Purification System
  • Powerful 2 Stage Whole House Water Purification system with 3/4
  • Comes with 1 Year filter supply
  • 1st Stage: 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 5 Micron High Dirt Capacity CTO Block Filter (10"x2.5")
  • Whole House filter system uses standard 10"x2.5" cartridges

Express Water Heavy Metal Whole House Water Filter

WH300SCKS by Express Water

  • Color: Stainless Steel
  • Weight: 65 pounds
  • Dimensions: 23.5 x 8.5 x 29.3 inches
Express Water Heavy Metal Whole House Water Filter
  • Whole House Water Filter: Reduce harmful contaminants and dangerous heavy metals from your entire home’s water with Express Water’s 3 Stage Heavy Metal Water Filtration System. Heavy Metal Water Filter: Drink the healthiest water on Earth as your home water filter reduces over 80 different contaminants from your water including chlorine, iron, lead, mercury, and more.
  • Express Water’s water filtration systems are ready to install with 1” inch standard connections. Easy to Replace Water Filter Cartridges: All Express Water whole house water filter replacement cartridges are designed for quick and easy replacement to keep your system up and running.
  • Durable Whole House Water Filter: Express Water Whole Home Water Filtration Systems are constructed with standing stainless-steel frames for long term durability and quality.
  • On Demand Support: Support from experts who can answer any of your questions about your new home water filter. Quality Guaranteed: Rest easy with our 1-year warranty on all Express Water Whole Home Water Systems
  • Please be informed - this whole house system is installed at the main water supply line for the purpose of treating all incoming water in your home or business. Unlike reverse osmosis systems, this system will NOT reduce Total Dissolved Solids (TDS). If you are searching for a filter that removes TDS, we recommend our Express Water Reverse Osmosis systems.

APEC Water Systems Ultimate RO-Hi Top Tier Supreme Certified High

RO-Hi by APEC Water Systems

  • Color: 90 GPD
  • Dimensions: 16 x 17.5 x 5.2 inches
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 and 1000+ contaminants. Provides unlimited ultra-fresh, clean, great tasting water right at home
  • 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 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.

iSpring RCS5T 500 GPD Grade Commercial Tankless Reverse Osmosis RO

RCS5T by iSpring

  • Weight: 31.44 pounds
  • Dimensions: 14 x 11 x 18 inches
  • Warranty: 30 day warranty against manufacturer defects
iSpring RCS5T 500 GPD Grade Commercial Tankless Reverse Osmosis RO
  • 5-STAGE FILTERS: 1-3rd stages remove rust, sand, chlorine, disinfection byproducts and odor. 4th stage Dual-Flow RO Membrane removes heavy metals, pesticide residues, etc. 5th Stage removes chlorine, tastes to improve the quality of drinking water.
  • 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 Sliver 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.

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