9 Best Reverse Osmosis Systems Reviews By Consumer Report for 2020

Is water quality in your area low or the water has a funny taste? Then a water filter system is what you need, the reverse osmosis system being among the best that you can choose from.

A reverse osmosis system offers an excellent way of producing clean water for your family. The system is the most efficient water purification technology capable of eliminating biological, physical, and chemical contaminants from your drinking water. They are capable of removing 95% to 99% of pollutants floating in the water.

A reverse osmosis system is capable of cleaning home, office, or municipal water, despite its quality and quantity. This is, however, dependent on the type of reverse osmosis utilized. Currently, the market offers a wide variety of reverse osmosis (RO) systems to choose from. Purchasing the best RO system can be a bit challenging; therefore, this article is to help you in selecting the best RO system and know the factors to consider when purchasing one.



If your home utilizes natural well water, you can use a reverse osmosis system to ensure that your family gets safe and pure drinking water. The iSpring RCC7AK-UV is an ideal choice if you’re looking for an RO system for well water. The unit comes with seven stages of treatment and an 11-watt UV light that kills any microorganism present in the well water.

The UV sterilizer is an efficient and effective means of eliminating any risks or microorganisms being present in your water, therefore giving you peace of mind as you drink the well water. The system is capable of producing 75 gallons of filtered water in a day. It can also mount easily under the sink; you can take advantage of the purification power and sterilization of UV light; this RO system has by installing it in your home.


The APEC Ultimate 6-Stage Reverse Osmosis System is the best overall RO system for your home. The system is easy to mount beneath the sink; it comes with easy installation and excellent customer service. You will only require changing the filters on an annual basis to continue enjoying fresh and clean water daily, all thanks to its super capacity filters.

The system is capable of removing up to 99% of bacteria, solids, and contaminants. It also adds beneficial minerals to your health that is magnesium and calcium, which improves the taste of the drinking water. The unit can purify as much as 75 gallons of water in a day, making it ideal for an average family with daily water needs.

The unit comes with an automatic shutoff valve and a flow restrictor, to help reduce wastewater to three gallons for one gallon of purified water produced. You will need space for a 4-gallon pressurized tank, with measurements of 11inches wide by 15 inches tall. This is because the unit is under the sink RO system. However, giving up the cabinet space will be worth it when you taste the purified water from the system.


The Home Master TMHP HydroPerfection Reverse Osmosis System is capable of providing up to 75 gallons of pure water every single day. The unit comes with upgrades such as iron pre-filter and UV light stage which destroys waterborne pathogens, making it ideal for well water treatment. Another upgrade that the system comes with is the permeate pump, which increases productivity and water flow. This reduces the amount of wastewater going to the drains hence, saving you money in the long run.

Whether you’re using tap water or well water, the system delivers healthy crisp drinking water from your taps. However, it will cost you to get such a top quality reverse osmosis system. The unit has an effective contaminant removal, which includes lead, VOCs, and fluoride. It also provides alkalinized water with healthy minerals giving the water a better taste.


This is one of the reverse osmosis systems with the highest filtration capacity. It is very efficient in producing purified water at high speed, which is twice as fast as the average home reverse osmosis system. The unit is capable of providing large families with 90 gallons of filtered water every single day without having to wait for long.

Its pre-filters need an annual replacement, except when you struggle with high levels of minerals, water hardness or TDS, which leads to clogging. In such cases, you will need to change your filters after six months; the cost of replacements are reasonable. The APEC Ultimate RO-90 stands out from the rest, due to its capability of processing water very fast; therefore, its cost is a bit more than the average system.


The Aquasana OptimH2O is an excellent example that shows quality doesn’t come cheaply. We are not talking of its initial buying price but its replacement filter cost. The unit comes with certifications which includes;

  • NSF Standard 42 for chlorine and chloramine removal
  • Standard 53 for the reduction of contaminants with health effects
  • Standard 401 for contaminants that found their way into the water systems in recent years
  • Standard 58 specifically for point-of-use RO systems
  • Protocol P473 for PFOS and PFOA which are known carcinogens

The Aquasana OptimH2O distinguishes itself from others, as it’s capable of handling 88 different contaminants. The following are its reduction rates

  • Lead – 99.3%
  • Asbestos – 99.0%
  • Chloramines – 97.66%
  • Chlorine – 97.66%
  • Arsenic(V) – 97.6%
  • Chromium hexavalent – 97.0%
  • Mercury – 95.8%
  • Fluoride – 95.7%

As seen the system is capable of providing refreshing drinking water, which is more or less than 100% pure, you can utilize the ice cube test for proof. It has a lower flow rate and filtration capacity; however, it can still serve a medium-sized family where water usage is limited to cooking and drinking.

It’s also important to note, the system re-mineralizes water with healthy calcium, potassium, and magnesium, which adds up to your daily nutritional intake. It has a standard sized tank of top quality and a capacity of 3.2 gallons.


Are you looking for a small RO system? Then the APEC Top Tier Supreme Certified High Output 90GPD is what you need. The unit comes in a small size allowing you to fit it in quickly in the kitchen cabinets. The system comes from a top brand, thus ensures exceptional performance all the time. The system removes a significant amount of contaminants, ensuring that you get almost perfect pure water.

The system has a 5-stage filtration process, which helps it in delivering high performance every single time. It also comes with an attachment of the extruded double carbon blocks, hence, allowing you to get rid of any unpleasant color, contaminants, and odor that can give your water an unpleasant taste.

The unit is among the best in the market; it can deliver up to a capacity of 90 gallons of filtered water in a day. You can utilize the system as often and never lacking availability of clean drinking water.


When it comes to reverse osmosis filtration system, the Global Water RO-505 5-Stage Reverse Osmosis System is what you need. Gone are the days of purchasing bottled water, and in the process spending a lot; to get filtered water. All you require is to purchase an RO filtration system to get your filtered water.

The unit has a high-performance 5-stage filtration system, which ensures that most of the contaminants in water are removed and you get to enjoy better tasting water. The premium NSF filters in the system give high-quality filtration. The filters are excellent in terms of reducing the quantity of dissolved solids, removing 99% of the dissolved solids and performance. The common contaminants in water include lead, chlorine, and bacteria, among others.

The system ought to be up and running in no time; this is due to the high-quality connection fittings that are easy to put together. The parts of the units are 100% lead-free, allowing you to utilize the parts as often as possible without worrying about any contaminants.


The Express water RO10Mx 5 Stage Home Drinking Reverse Osmosis System is a top model that has been popular for years. The model is appealing to many people as it delivers high-performance level individuals require with ease. One of its best features the unit has is its capacity; the unit can provide 100 gallons of filtered water in a day.

It has a great size making it possible to fit it under the kitchen cabinets; you won’t need to worry about fitting it into the right place, as it has a perfect size. The material used in making the unit is 100% free from lead. Hence, this system ensures that the users get filtered water, safe for consumers to consume.

The utilization of the 5-stage filtration system may be familiar, however, for this model, it always delivers. The system removes all the contaminants from your water and odor too, which results in a clean and better-tasting water.


Are you bothered with your domestic water requirements? Then the Watts WP5-50 Premier Five-Stage Manifold Reverse Osmosis Water Treatment System is what you need. The unit is the ultimate domestic reverse osmosis system available. It’s a whole system that is of high quality and well-designed features which suits its excellent performance.

The system is appropriate for the whole family, with a diverse design offering a continuous supply of water. The unit can eliminate seventeen connections and nitrate reduction. The Watts WP5-50 Premier Ro system is made of NFS certified and tested equipment. The system comes with long lasting durable filters, which requires replacement when its lifetime is over.

The unit is a quality RO system that has an easy installation process and easy to operate. To have the system having a long lasting service without any problems, then it’s recommended to be careful and patient during the installation. The unit is not that expensive; it gives you the chance of conserving the environment from plastic bottles pollution


1. Efficiency In Purifying Water

One of the primary reasons for buying a reverse osmosis system is for cleaning your water to meet your needs. Making the right decision requires knowledge on the sources of your water and any possible contaminants. Reverse osmosis systems come in different capabilities and capacities; therefore, essential to get one that is more relevant to your needs.

2. Contaminant Reduction Need

Many RO systems products have different performance, know the extent of contaminants you’d like to get rid of, then select the best system for the job. Using NFS guides, you can analyze which system is suitable to remove a particular contaminant. In case you are not aware of the pollutants present in your water system, it’s recommended to get a water quality report to save you time and money.

3. Energy Consumption of the System

No individual can invest in a system that hikes electricity bills; this is especially considering the nightmare brought by electricity bills. There are vast RO systems available in the market; some don’t require electricity for them to operate. Get an RO system that has the ultimate performance and minimal expenses, depending on your ability.

4. Installation And Filter Replacement

Go for reverse osmosis systems that have an easy Do It Yourself installation process. This is essential as it saves you the cost of hiring a specialist to fix it, especially if you have a breakdown, you will have a higher cost if it’s a leakage. Go for systems that have an easy to install procedures and filters changed without having any complex technical know-how.

5. Maintainability

When choosing a reverse osmosis system, it’s vital to factor out its maintenance cost. Every single system is unique and very different, although they perform the same function; their difference is brought about by different technologies used in their make.

6. System Price

We all know the famous saying that ‘cheap is expensive’; however when it comes to reverse osmosis system, this might be inaccurate. This is because of quite a good number of RO systems that are cheap; they are exceptionally efficient. The base price varies from one location to another; ensure that you purchase the right system at the right price. You can compare the rates online together with performance and features.

7. The Type of System

Most of the reverse osmosis systems are multi-purpose, which means they can be applied at homes, offices and municipal water. It’s very vital that you opt for the right product type for the appointed function. You can also determine if you require a whole house, point of entry system, or a point of use system.


Knowing the application that the RO system is going to be used is essential; this is considering that homes, hotels, offices, schools, and hospitals have different water needs. To ensure that your provision of high-quality drinking water, it’s essential to choose an efficient system and one that is easy to maintain. When purchasing a new RO system for water purification, there are many factors to consider. However, the main focus is on getting the best RO system in the market.