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5 Best Whole Home Reverse Osmosis Systems of 2025

Last Updated - 2025/05/07

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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

iSpring

CA$2,385.73

More Details
Main highlights
- One RO System for All: Connect iSpring CRO1000 to your own choice of water dispenser system, drinking water faucet, icemaker, refrigerator, espresso coffee machine, hydroponics, and more. Not only an excellent choice for residential drinking water treatment but also suitable for office light industrial use, and small businesses like restaurants, coffee shops, bars, teashops, breweries, spas, and clinics
- High-Efficiency Commerical Size RO Membrane: Removes up to 99% of over 1, 000 contaminants, including lead, chlorine, fluoride, arsenic, asbestos, calcium, sodium, and more. With a larger size membrane, this core of CRO1000 beats contaminants and provides you with clean water up to 1,000 gallons per day
- Easy Installation and Maintenance: Replace 1st stage filter every 3-6 months, 2nd stage and 3rd stage filters every 6-12 months, and replace RO membrane every 2-3 years. The filter replacement schedule depends on the source water quality. The freestanding metal frame on wheels with locking brakes for ease of movement
- Commercial RO System with Reliable Features: CRO1000 is a true commercial-grade high output, 1,000 GPD, reverse osmosis water filtration system. Features a tankless design with increased production of on-demand clean filtered water. Working water pressure ranges from 80 to 130 psi and 0.7 GPM output speed. Built-in water inlet and outlet gauges for easy pressure monitoring. Optional PMP1000 booster pump is recommended for water pressure 80 psi and below
- 4-Stage Water Filtration: The CRO1000 equips with large light commercial-grade filters including one 20” x 4.5” PP Sediment Filter with clear filter housing that offers easy water quality and filters replacement monitoring, two 20” x 4.5” Carbon Block Filters, which improve the water taste, and an RO Membrane rated at 1,000 GPD in a stainless steel membrane housing
CA$2,385.73
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Aquasure

Aquasure 32,000 Grains Whole House Water Filter Bundle with Automatic Digital Metered Control Softener and 75 GPD RO Reverse Osmosis Drinking System | Removes Hardness | Ideal for 1-3 bathrooms

Aquasure

CA$1,549.99

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Main highlights
- Up to 5-years manufacturer warranty with lifetime tech support for the life of the system.
- Rated to treat 32,000 grains of hardness by removing skin damaging hard minerals like iron and magnesium that clog up the skin pore and cause irritation.
- Perfect for homes with 1 to 2 bathrooms and up to 3 family members, who desires softened water and clean, pure drinking water for the whole family.
- Exceptional performance & high efficient Aquatrol control head and Aquasure reverse osmosis membrane help save water and reduce overall maintenance cost.
- Constructed of high strength, premium-quality materials with built-in safety features that ensure your home is protected even during system downtime.
CA$1,549.99
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

iSpring

iSpring RCB3P 300 GPD Light Commercial Reverse Osmosis RO Water Filter System with Booster Pump

iSpring

CA$1,140.43

More Details
Main highlights
- 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.
- 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, hormones, asbestos, calcium, sodium, bacteria, giardia, viruses and more.
- Great for light commercial use in Restaurants, salons, labs, and offices all benefit in their own ways from high quality RO water.
- Freestanding Stainless Steel Frame and Metal hanging bracket. Makes your installation and filter changes easier while adding a protective buffer for your system
- 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.
CA$1,140.43
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Express Water

Express Water Whole House Water Filter, 3 Stage Home Water Filtration System, Sediment, Polyphosphate Anti-Scale, Carbon Filters Includes Pressure Gauges, Easy Release, and 1 Inch Connections

Express Water

CA$906.07

More Details
Main highlights
- Whole House Water Filter: Reduce harmful impurities from your entire home’s water with Express Water’s 3 Stage Water Filtration System
- 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
- On Demand Support: Support from experts who can answer any of your questions about your new home water filter
- 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
- Anti Scale Water Filter: Drink the healthiest water on Earth as your home water filter reduces over 65 different impurities from your water while protecting your home from the formation of scale and corrosion
CA$906.07
5
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Express Water

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

Express Water

CA$692.14

CA$742.95
(6% Off)

More Details
Main highlights
- Take the Contaminants Out of Your Home - Drink from any faucet without fear when we remove Chlorine, Iron, Rust, Lead, Pesticides, Mercury, Dirt, Sand, Fungi, Sulfur, Insecticides, Chloramine, Silt, Turbidity, Aluminum, Copper, Volatile Organic Chemicals (VOC), Herbicides, Cadmium, Hydrogen Sulfate, Nickel, Chromium, Cloudiness, and Odors
- Quality Guaranteed - Rest easy with our 1 year warranty on all Express Water Systems and free lifetime support
- 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
- Don’t Waste Time on Maintenance - Our quick and easy to understand design means you can swap out filters quick and easy
- Clearly Easy - A clear first stage housing lets you easily monitor your system and see when you need to replace your filters
CA$692.14
CA$742.95 (6% Off)

5 Best Whole Home Reverse Osmosis Systems of 2025

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

Aquasure 32,000 Grains Whole House Water Filter Bundle with Automatic Digital Metered Control Softener and 75 GPD RO Reverse Osmosis Drinking System | Removes Hardness | Ideal for 1-3 bathrooms

iSpring RCB3P 300 GPD Light Commercial Reverse Osmosis RO Water Filter System with Booster Pump

Express Water Whole House Water Filter, 3 Stage Home Water Filtration System, Sediment, Polyphosphate Anti-Scale, Carbon Filters Includes Pressure Gauges, Easy Release, and 1 Inch Connections

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

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