6 Best Whole House Reverse Osmosis Systems

Whole house reverse osmosis systems provide comprehensive water purification for your entire home, ensuring that every tap delivers clean, high-quality water. These systems use advanced filtration to remove contaminants and improve water taste, protecting both your health and your plumbing.

This article reviews the best whole house reverse osmosis systems, highlighting their filtration capabilities, capacity, and installation requirements to help you find the ideal solution for your household.

DISCLOSURE: We may receive commissions when you click our links and make purchases. However, this does not impact our reviews and comparisons. We try our best to keep things fair and balanced, in order to help you make the best choice for you.

Our Top Pick

4.3/5

iSpring RCS5T

We fully recommend the iSpring RCS5T whole house RO System. This osmosis system is easy to install and prevents water wastages. With a high flow rate and low annual maintenance, this system will provide affordable clean water for your home. 

Best Whole House Reverse Osmosis System Comparison

Image PRODUCT/ Features Rating  
Top PickComparing iSpring RCS5T iSpring RCS5TFeatures: Includes a silver chrome drinking faucet and water pressure gauge
Price: $$
Flow Rate: 500 GPD
Annual Maintenance Cost: $100
Weight: 32.6 Pounds
Read Full Review
Comparing Crystal Quest Crystal QuestFeatures: Includes SMART filter, sediment filter, and carbon block
Price:
$$$
Flow Rate:
200 GPD
Annual Maintenance Cost:
$290
Weight:
50 Pounds
Read Full Review
Comparing WECO HydroSense WECO HydroSenseFeatures: Includes a granular activated carbon post filter
Price:
$$$
Flow Rate:
500 GPD
Annual Maintenance Cost:
$350
Weight:
70 Pounds
Read Full Review
Comparing iSpring RCB3P iSpring RCB3PFeatures: Removes up to 98% of lead
Price: $$
Flow Rate: 300 GPD
Annual Maintenance Cost: $100
Weight: 52 Pounds
Read Full Review
Comparing Apex Commercial Apex CommercialFeatures: Multiple Carbon Filters
Price: $$$$$
Flow Rate: 1500 GPD
Annual Maintenance Cost: $260
Weight: 80 Pounds
Read Full Review
Comparing Express Water Express WaterFeatures: Includes KDF Filter
Price: $$
Annual Maintenance Cost: $340
Weight: 63 Pounds
Read Full Review

1. iSpring RCS5T (Top Pick)

review of iSpring RCS5T

The iSpring RCS5T RO model is one of the best whole house reverse osmosis systems. It has 5 stage filters each responsible to eliminate different types of contaminants. Filters 1-3 remove rust, odor, sand, and chlorine.

The 4th stage filter includes the Reverse osmosis membrane responsible for removing heavy metals, pesticides, and other heavy residues.

Not only does this system have a great capacity, but it has a dual flow feature that filters up to 500 gallons per day easily. Alongside this, this osmosis system saves up to 60% of water efficiently.

The iSpring RCS5T has a low waste feature that automatically drains contaminated water alongside cleaning and filtering.

Specifications

  • Item Dimensions: 14 inches x 11 inches x 18 inches
  • Item Weight: 32.6 Pounds
  • Item Model: RCS5T
  • Color: White

Features

  • 1st stage filter includes a sediment filter
  • 2ns stage filter has a granular activated carbon block filter
  • Boosts water pressure
  • Incurs low waste
  • Silver chromed water faucet with a 360-degree swivel

The iSpring RO system maximizes water pressure so you don’t worry about low water pressure. In doing so it encourages the RO membrane for maximum functioning to produce filtered water.

The iSpring model is easy to install through quick video instruction or professional help as well! You’ll need to frequently change the 1st-3rd stage filters regularly but the RO membrane lasts up to 6 months at least. iSpring RCS5T provides a 2 years filter package that cost $200 which translates to $100 a year.

Customer Rating

4.3 out of 5 stars.

PROS
+ Includes easy to read water pressure gauge
+ Ensures maximum water pressure
+ 5 filtration stages
+ Great for light commercial systems as well
CONS
Gravitates towards the pricier side in addition to shipping costs

2. WECO HydroSense

review of WECO HydroSense

Another great whole RO system is the WECO HydroSense. This system is adaptable for light commercial use as well as residential use.

To ensure it functions as efficiently as possible, this RO system is ideal for use in schools, offices, homes, etc.

Equipped with a pre-sediment and a compressed carbon filter, this reverse osmosis system removes dust, sand, chloramine, rotten odors, and chlorine.

With these systems, you also don’t need to worry about a drop in water pressure. The WECO HyrdoSense includes an automatic booster pump and automatic water sensors to ensure the system functions at maximum capacity.

WECO osmosis systems have a thin-film reverse osmosis membrane to remove up to 98.5% of hard to remove impurities. This system can eliminate sodium, total dissolved solids, nitrates, mercury, and chlorine to give purified water.

Specifications

  • Item Dimensions: 15 inches x 20 inches x 34 inches
  • Item Weight: 70 Pounds
  • Item Model: 0500GAC
  • Color: Blue

Features

  • Uses a reverse osmosis membrane and carbon block
  • Filters hard impurities fast
  • Gets rid of dissolved solids
  • Removes harmful substances like mercuries and nitrates
  • In-installed booster pumps and water sensors

Although the WECO HydroSense includes the RO membrane and filtration, you’ll need to access other parts to make it a whole house reverse osmosis system.

You’ll need to purchase atmospheric tanks, jet pumps, and any additional equipment that may be required to make it into a whole house reverse osmosis system.

Annually the RO membrane replacement will cost around $350. The filter replacement costs range between $700-$800.

Customer Rating

3.8 out of 5 stars.

PROS
+ Available in multiple model choices to choose from
+ Best for commercial and residential systems
+ Thin-film composite membrane
+ Built-in booster pumps for maximum efficiency
CONS
A single unit is costly
Other equipment to make it a whole house system will incur more costs.

3. iSpring RCB3P

review of iSpring RCB3P

The RCB3P is another great reverse osmosis water filter model brought by the iSpring company.

This model is a reverse osmosis water filtration system that rids your whole house’s water supply of up to 1000 impurities and contaminants.

Since it acts as both a water filtration system as well as a water softener, this model effectively removes most of your problems.

The RCB3P removes magnesium, calcium, mercury, total dissolved solids, arsenic, fluoride as well as chlorine from your water supply. It also effectively removes up to 98% of lead.

They are also great for light commercial use to produce a high water quality supply.

The iSpring also makes for a good home reverse osmosis system because they come with in-built booster pumps. This increases the water pressure to ensure maximum filtering and water flow.

The iSpring RCB3P alongside its previously mentioned model also uses powerful booster pumps to drain and reduce wastewater.

Their most attractive feature includes a highly efficient RO membrane that provides your whole house with up to 300 gallons of purified water a day.

Specifications

  • Item Dimensions: 14 inches x 10 inches x 30 inches
  • Item Weight: 52 Pounds
  • Item Model: RCB3P
  • Color: Blue

Features

  • Removes heavy metals and other toxins easily
  • Maintains high water pressure
  • 5 stage filters
  • Booster pumps and water pressure gauge included

The RCB3P is only compatible with an iSpring storage tank. You can use this model with an 11 or 20-gallon storage tank.

However, this model does not come with a storage tank and you’ll need to additionally purchase one.

Annual filter maintenance costs can go up to $340 with annual RO membrane replacements costing $170 annually.

Customer Rating

4.1 out of 5 stars

PROS
+ All-in-one reverse osmosis filtration system
+ Guarantees to remove up to 97% of dissolved impurities
+ Provides clean and purified tap water
+ Promotes high flow rate
CONS
Uses a considerable amount of electricity
Leans towards a high-end price for RO systems

4. Crystal Quest

review of Crystal Quest

With more than 25 years of experience, Crystal Quest also provides the best whole house reverse osmosis system.

They focus on making whole house RO systems that make your daily water supply clean and healthy to consume.

These systems are designed and engineered to require the least amount of maintenance and to be economical for you.

This system filters and purifies up to 200 gallons of water per day. It contains pre-filters that extend the life of your RO membranes. Through this, your RO membranes can last up to 15 or 20 years.

The crystal quest includes a water storage tank with several other components. The water tank can hold a capacity of 550 gallons. The tank also contains a pump to increase the flow rate and to pump water to your whole house when needed.

To stop wastewater, these house RO water filters have a float switch to turn your RO system on or off when needed.

Furthermore, these reverse osmosis filtration systems remove total dissolved solids, microbiological contaminants, and other hard water impurities.

They give different options to enhance the alkalinity of your water supply to provide healthier drinking water.

Specifications

  • Item Dimensions: 31 inches depth x 61 inches height
  • Item Weight: 50-265 pounds
  • Item Model: CO02022R
  • Color: Blue

Features

  • ISO certified
  • Different storage tanks included
  • Removes microbiological contaminants
  • Lightweight design

The Crystal Quest whole house reverse osmosis filtration system is a great choice to go for. It removes any hard water and additional contaminants present in your water supply and is easy to use.

The expected cost of replacement filter for  Crystal Quest  system is around $580 across 2 years, which translates to $290 per year,

Customer Rating

4 out of 5 stars.

PROS
+ Multiple add on options to choose from
+ Multiple options for membrane size, pre-filter sizes, and storage tank sizes to choose from
+ Removes up to 15 grains per gallon of hard water
+ Compact design takes up less space
CONS
Very expensive
Can use between 110-220 Volts of power

5. Apex Commercial

review of Apex Commercial

The apex commercial whole house reverse osmosis filter is best for its hydroponic treatment. One of the best filtration systems for reverse osmosis filtration, the Apex commercial system can remove minute thin particles present in the water supply.

This whole house reverse osmosis system has 3 stages of filters each designed to remove different impurities and particles from the water.

It contains 2 20 inches of carbon block filters alongside a sediment filter to remove chlorine, sand, dust, and other odors.

All 3 filters have a membrane housing to ensure maximum functioning and removal at each stage.

Displayed on the reverse osmosis system is easy to read in pressure gauge and out pressure gauge. The system has a maximum pressure capacity of 150 pounds per square inch and a readable pressure pump.

Specifications

  • Item Dimensions: 26 inches x 12 inches x 37 inches
  • Item Weight: 80 Pounds
  • Item Model: MRC1500
  • Color: Blue

Features

  • Steel frame coated in a white powder
  • 5 micron 20-inch sediment filter
  • 10 micron 10-inch carbon block filters
  • Includes recycle and concentration valves
  • Brass rotary high-pressure pump
  • Flip switch to turn off or on

The Apex commercial house reverse osmosis systems don’t require much maintenance. You will need to regularly change the sediment and carbon filters only.

The RO replacement costs $518 for 2 years, with filter replacements costs up to $260 a year.

Customer Rating

5 out of 5 stars.

PROS
+ 10-micron carbon filter removes harmful substances that create odors
+ 5-micron sediment filter eliminates any impurity that clogs
+ Softens water automatically
+ Gets rid of hard water problems
+ Ideal for light commercial use as well
+ Economical price
CONS
Requires at least 110 volts of power

6. Express Water

review of Express Water

With the Express Water whole house water filtration, you’ll be able to eliminate any sort of impurity in your water supply.

Equipped with 3 stage filters, this whole house water filter is great for light commercial use as well. The first filter; an activated carbon filter removes any chlorine, unpleasant odors, and tastes.

The second filter is a Kinetic Degradation Fluxion (KDF) which removes volatile organic compounds, pesticides, and any industrial solvents.

The 3rd stage filter is a sediment filter that removes any dust, sand, and dirt that may cause clogging. Overall these filters remove toxic substances like lead, arsenic, and mercury.

They’re easy to maintain by replacing the water filter cartridges. The Express water filter cartridges are designed to make sure your filtration system is always running at maximum capacity.

With their compact design, the Express water systems take up less space and are easy to install. They have a capacity of 0.25 gallons that guarantees no drop in water pressure and flow rate.

Specifications

Item Dimensions: 23.5 inches x 8.5 inches x 29.25 inches
Item Weight:
65 pounds
Item Model:
WH300SCKS
Color:
Blue

Features

  • Stainless steel frame to protect the filtration system
  • Pressure gauge monitoring for each filter
  • Allows monitoring the system’s performance
  • Point of entry installation
  • Standard 1 inch connection for easy installation

Although this system is easily maintained, all you need to do is replace the cartridges for the filters every 6 months. On average one cartridge can filter up to 100,000 gallons of water during a 6-month duration.

A whole house 3 pack filter cartridge set will cost you up to $340 annually since you only have to replace it twice a year.

Customer Rating

4.7 out of 5 stars.

PROS
+ Easy to install
+ Saves wastewater
+ Easily accessible filter removal buttons
+ The system lets you know when the cartridges need replacement
+ Free support for a lifetime
CONS
Doesn’t remove total dissolved solids
Pricey option

Conclusion

Selecting the right whole house reverse osmosis system can significantly enhance the quality of water throughout your home, offering thorough purification and peace of mind. The systems featured in this article are chosen for their effectiveness in contaminant removal, overall performance, and capacity to handle household demands.

Choose the best option to ensure clean, purified water at every faucet and safeguard your home’s water supply.

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