Reverse Osmosis systems are among the most popular ways to purify drinking water. These systems are widely used by people using municipal water and private wells.
I’ve reviewed the 5 best Reverse Osmosis systems on the market, considering their pros, cons, and costs. I believe that there’s no perfect system that fits all. So I’ll compare them side by side, making it easier for you to choose the right one for your household and personal uses.
Top 5 Reverse Osmosis systems
| RO SYSTEM | ADVANTAGES | PRICES |
| Home Master TMHP HydroPerfection RO System | • Manufacturer is in business for over 20 years • Five-year warranty • Removes waterborne bacteria UV • Light Chamber | Check it on Amazon |
| Home Master TMAFC-ERP Artesian Reverse Osmosis | • Manufacturer is in business for over 20 years • Patented Full Contact® Artesian Remineralization technology • Modular filter design makes changing them easy | Check it on Amazon |
| iSpring RCC7AK Under Sink Reverse Osmosis System | • Really popular and positively reviewed among users • Easy to install with detailed video instructions and color-coded tubing • Lifetime technical support | Check it on Amazon |
| Express Water RO5DX 5 Stage RO System | • Upgrade based on what you need • Good value for the price • Extra set of filters | Check it on Amazon |
| APEC ROES-50 5-Stage RO System | • Designed, engineered, and assembled in USA • WQA Certified System • Highly rated and popular | Check it on Amazon |
Best Reverse Osmosis systems overview
1. Home Master TMHP HydroPerfection RO System
Amazon rating: 4.8
WHY SHOULD YOU BUY THIS RO SYSTEM?
It comes with Patented remineralization technology and a long filter lifespan. Together with a UV light module, this is a very rounded and universal RO system that covers most cases. It comes with the longest warranty period of five years and a 30-day return option. And it also has a permeate pump, which dramatically reduces the water waste ratio. With 9 filtration stages, this system works really well for municipal water and private wells. It has a very high rating on Amazon, and after review, I chose it as the number one recommended system.
Related: Best Reverse Osmosis Systems for Well Water
TECHNICAL DETAILS:
• System type: Undersink
• Water output: 75 GPD
• Filtration stages: 9
• Filtered Water to Waste Water Ratio: 1:1
• Dimensions: 12 x 16 x 20 inches
• Warranty: 5 year
2. Home Master TMAFC-ERP Artesian Reverse Osmosis System
Amazon rating: 4.7
WHY SHOULD YOU BUY THIS RO SYSTEM?
This is another Home Master RO system, and it also comes with a patented ‘Full Contact’ remineralization module. It means that water is remineralized in two stages – before entering the storage tank and after leaving it. This is quite exclusive and might be the best bet for people looking for that perfect pH balance in drinking water.
The Home Master RO systems are unique in a way that they have modular filter designs. Meaning that when changing the filter, you change the casing and the filter that’s inside. This makes the whole process easier and possibly more hygienic.
TECHNICAL DETAILS:
• System type: Undersink
• Water output: 75 GPD
• Filtration stages: 7
• Filtered Water to Waste Water Ratio: 1:1
• Dimensions: 12 x 16 x 20 inches
• Warranty: 5 year
3. iSpring RCC7AK Under Sink Reverse Osmosis System
Amazon rating: 4.7
WHY SHOULD YOU BUY THIS RO SYSTEM?
It comes with a good-looking faucet and is unique in the way of having a clear casing for the first sediment filter. This makes it easier to estimate when you have to change the filters or wash the whole system too. RCC7AK is among certified Reverse Osmosis systems by the Water Quality Association.
The whole system is backed by a 1-year money-back guarantee and a 1-year manufacturer warranty. Plus, the manufacturer promises lifetime technical support provided in the USA.
TECHNICAL DETAILS:
• System type: Undersink
• Water output: 75 GPD
• Filtration stages: 6
• Filtered Water to Waste Water Ratio: 1:3
• Dimensions: 14.5 x 5.2 x 17.5 inches
• Warranty: 1 year
4. Express Water RO5DX 5 Stage RO System
Amazon rating: 4.6
WHY SHOULD YOU BUY THIS RO SYSTEM?
It is really popular, and it’s easy to see why. It’s among the easiest to understand and install, thanks to well-made instructions and handy color-coding of tubing. Also, it does the job of purifying water pretty well. If you decide to go with it, and later you realize that it’s not enough, you can increase its efficiency later. By adding a permeate pump or extra purification modules. This makes it better suited for your personal uses.
An extra set of filters is included, so you’re set up for a long time drinking pure water. And in case of emergency, there’s a leak detector that shuts off the water supply to the system.
TECHNICAL DETAILS:
• System type: Undersink
• Water output: 50 GPD
• Filtration stages: 5
• Filtered Water to Waste Water Ratio: 1:3
• Dimensions: 16.2 x 18.8 x 18.1 inches
• Warranty: 1 year
5. APEC ROES-50 5-Stage RO System
Amazon rating: 4.7
WHY SHOULD YOU BUY THIS RO SYSTEM?
APEC Water Systems are a well-known water purification brand. The work for commercial and residential sectors.
The ROES-50 is dubbed ‘Our Affordable Performer.’ Meaning it’s not expensive and purifies water as well as other, more expensive systems. It’s a safe choice for people living where the overall water quality is not too bad. And the amount of water used for drinking is not very high. The system is pretty basic in itself. But you can upgrade it with additional filtration and purification modules. These are offered by the same manufacturer and fit rightly.
TECHNICAL DETAILS:
• System type: Undersink
• Water output: 50 GPD
• Filtration stages: 5
• Filtered Water to Waste Water Ratio: 1:3
• Dimensions: 16 x 5.2 x 17.5 inches
• Warranty: 1 year
Final words
I hope that now it becomes easier for you to pick a system based on your needs. Reverse Osmosis is a powerful, safe, and popular technology to purify drinking water. With some care, such as washing and disinfecting your RO system, it will serve you for many years to come. One of the biggest differences between systems is wasted to purified water ratios. These are most affected by incoming water pressure. Permeate pump also helps to lower the water wasting and improve the flow rate of purified RO water.
Related Article: Cheap Reverse Osmosis System
Your Reverse Osmosis system is an investment into better wellbeing. Water is a pure and healthy necessity that should also taste good. Some systems have remineralization solutions, and some don’t. Although it’s possible to remineralize water at home easily with these different methods.
I encourage you to read my more in-depth reviews of each mentioned RO system. You will get a better understanding before purchasing one for yourself. I wish you well and an abundance of safe and tasty drinking water.
I also reviewed the best countertop Reverse Osmosis systems. For some people, they are the better choice because of the ease of installation. If you have some free countertop space, I also recommend looking into these systems.
And finally, there is the best whole house Reverse Osmosis systems. Check them out if you’re looking for more capacity.