Are you looking for the best RO water purifier in India? If your answer is yes, then you have come to the right place as we have carefully shortlisted the best RO water purifiers that you can buy from trusted brands like AO Smith, Eureka Forbes Aquaguard, Kent, LG, and Pureit.

If you don’t have access to clean and safe drinking water or if you have noticed that your family members frequently suffer from waterborne diseases, an RO water purifier is the best solution for your needs. That’s because RO (Reverse Osmosis) water purifiers remove most of the contaminants, including bacteria, dirt, dust, germs, heavy metals, salts, and viruses. RO water purifiers also help you improve your immunity. However, it is not an easy task to find the best RO water purifier as there are dozens of brands and hundreds of models to choose from.

Here Are The Best RO Water Purifiers In India [2021]

To choose the best RO water purifiers in India, we made sure that they offer the following features:

  1. RO Membrane
  2. UV filtration
  3. A water flow rate of at least 10 litres per hour
  4. A storage tank with at least 5 litres capacity
  5. A way to let you know when it is time to change the RO membrane and other filters. Here are some signs that help you know when it is time to change your water purifier’s filters.
  6. A reputable and trusted brand because service reach, service speed, and service quality are of immense importance
  7. Acceptable cost of maintenance

You should read our water purifier buying guide to know more about how you should choose a water purifier that best suits your needs. Now, let’s get started with the list of best water purifiers in India for the year 2021.

Best RO Water Purifiers Under ₹10,000

All the best RO water purifiers in India under ₹10,000 come with an RO membrane and a UV lamp. They also feature 7 litres of water storage capacity, a power-saving mode, and a simplistic design. Let us have a look at the best RO water purifiers in India that are priced under ₹10,000.

Best RO Water Purifiers In India

1. Pureit Classic Nxt RO + UV Water Purifier – ₹8,499 Onwards

Pureit Classic Nxt RO Water Purifier

The Pureit Classic Nxt RO + UV water purifier is among the more value-for-money water purifiers that you can find in the sub-₹10,000 price segment. It features a simple design, a 7-litre storage tank, and a water flow rate of 10-12 litres per hour. Its six-stage filtration process has a sediment filter, a pre-carbon filter, a mini-filter, an RO membrane, a UV lamp, and a post-carbon filter. It also has a built-in voltage fluctuation guard and a power-saving mode where it cuts off the electricity when the water storage tank is full. It lacks status LED lights, though.

2. Blue Star Aristo RO + UV Water Purifier – ₹8,499 Onwards

Blue Star Aristo RO Water Purifier

The Blue Star Aristo is priced similarly to the Pureit Classic Nxt RO + UV water purifier, but it features three LED lights to indicate purification status, a tank full, and a low-pressure alert system. It has a 7-litre water storage capacity, but its filtration capacity is lower at 8 litres per hour. It has six stages of filtration: sediment filter, pre-carbon filter, RO membrane, a UV lamp, a UF membrane, and a post-carbon filter. This water purifier looks more attractive and modern, has a taste booster, and has a child lock feature.

Best RO Water Purifiers In India

3. Faber Casper Plus RO + UV Water Purifier – ₹9,990 Onwards

Faber Casper Plus

The Faber Casper Plus is priced a little higher than the Blue Star Aristo and Pureit Classic Nxt because it has a larger water storage tank (at 10 litres) and a mineral addition technology. Its water filtration rate is 10 litres per hour. It has a seven-stage filtration process: pre-sediment filter, sediment-filter, pre-carbon filter, RO membrane, post-carbon filter, copper enricher, and a UV lamp. It also features three LED status indicators and can accept water with TDS as high as 2,500 mg/litre.

4. Aquaguard Desire RO + UV Water Purifier – ₹9,999 Onwards

Aquaguard Desire RO Water Purifier

If you want an RO water purifier with an even faster filtration rate, the Aquaguard Desire by Eureka Forbes offers up to 15 litres per hour filtration rate. It features a 7-litre tank, but its design looks a bit dated. It has a five-stage filtration process that has a sediment filter, a pre-carbon filter, an RO membrane, a post-carbon filter, and a UV chamber. It also has a mineraliser that improves the taste of water and LED lights for status indication.

Best RO Water Purifiers In India

Best RO Water Purifiers Under ₹15,000

The best RO water purifiers under ₹15,000 have a higher water filtration rate than the affordable ones, larger water storage tanks, and additional filters to enhance the life of the RO membrane. Most of them also feature a mineraliser and a copper enricher to boost the taste of drinking water. They can also be installed on a wall or on a table.

1. Pureit Classic G2 Mineral RO + UV Water Purifier – ₹11,990 Onwards

Pureit Classic G2 RO Water Purifier

The Pureit Classic G2 is similar to the Pureit Classic Nxt that we mentioned above, but it adds LED status lights and has a faster filtration rate at 20 litres per hour. Its filtres have a life of up to 6,000 litres as compared to 3,000 litres in the Pureit Classic Nxt. The Pureit Classic G2 has a 6-litre tank and a six-stage purification process involving a sediment filter, a pre-carbon filter, an RO membrane, a microfilter, a UV lamp, and a post-carbon filter. Other features include a water mineraliser that adds back necessary minerals and a power-saving mode.

2. Xiaomi Mi Smart RO + UV Water Purifier – ₹12,999

Xiaomi Mi Smart RO Water Purifier

The Xiaomi Mi Smart RO + UV water purifier is the most advanced purifier in terms of smart and connected features, thanks to its Wi-Fi connectivity. You can see the real-time TDS levels of input and output water, water level detection, and real-time filter life monitoring. It also lets you change the filters all by yourself, thanks to an easy filter replacement process. It has a minimalistic design, a 7-litre storage tank, and an 8 litres per hour filtration rate. Its filtration process includes a sediment filter, a pre-carbon filter, an RO membrane, a post-carbon filter, and a UV lamp in the storage tank.

3. Pureit Marvella Eco RO + UV Water Purifier – ₹13,799 Onwards

Pureit Marvella Eco RO Water Purifier

The Pureit Marvell Eco wastes much less water compared to most other RO + UV water purifiers, and the company claims that it wastes less than one glass of water to purify one glass of water. It has a huge, 10-litre tank, and an impressive filtration rate of 24 litres/hour. The Pureit Marvella Eco has a seven-stage filtration process that features a sediment filter, a pre-carbon filter, a mesh filter, an RO membrane, a UV chamber, a post-carbon filter, and a microfilter membrane. It can be mounted on the wall or on the counter.

4. Faber Altroz RO + UV Water Purifier – ₹14,470 Onwards

Faber Altroz RO UV Water Purifier

The Faber Altroz has a 10-litre tank, and its water filtration capacity is up to 13.5 litres per hour. It has a unique and bold design, and its RO membrane can work with water that has a TDS level of as high as 3,000 mg/litre. It also comes with a copper enricher and a mineraliser to add taste to the water. Its 9-stage filtration process uses a pre-sediment filter, a sediment filter, a pre-carbon filter, an RO membrane, a post-carbon filter, a copper enricher, a mineraliser, a UF membrane, a UV chamber. It lacks status LED lights, though.

Best RO Water Purifiers Under ₹20,000

The best RO water purifiers under ₹20,000 come with swankier designs and colour choices, stainless steel tanks, and a mineralizer. They also feature wall and table-mountable designs, making them more flexible to work with.

1. LG WW140NPR RO + UV Water Purifier – ₹15,500 Onwards

LG WW140NPR RO UV Water Purifier

The LG WW140NPR is among the more attractive-looking water purifiers in its price segment, and it is available in black, red, and white colours. It has an 8-litre storage tank and LED status indicators. It has a pre-sediment filter, a sediment filter, a pre-carbon filter, an RO membrane, a post-carbon filter, and a mineraliser. Its stainless steel storage tank comes with a 10-year warranty. A stainless tank is claimed to offer a safer storage method compared to plastic tanks in other water purifiers.

Best RO Water Purifiers In India

2. Kent Grand+ RO + UV Water Purifier – ₹16,480 Onwards

Kent Grand Plus RO Water Purifier

The Kent Grand+ has a 9-litre water tank, and its water filtration capacity is 20 litres per hour. It has a feature that lets you use the wasted water for washing clothes and floors in your home. Its filtration process has various stages, including sediment filter, pre-carbon filter, RO membrane, UV chamber, post-carbon filter, and a water tank with a built-in UV lamp. It also features a TDS controller so that you can adjust the TDS level of the purified water as per your taste preference. It comes with a complimentary 3-year service AMC on top of a 1-year warranty.

3. Kent Grand Star RO + UV Water Purifier – ₹18,840 Onwards

Kent Grand Star RO Water Purifier

The Kent Grand Star is quite similar to the Grand Plus, but it comes with a digital display that shows you the filter life, RO flow rate, and purified water quality. Similar to the Kent Grand Plus, the Grand Star features a 9-litre water storage tank, 20 litres per hour filtration speed, a five-stage water filtration process, and a UV lamp in the water storage tank. It also comes with a 1-year warranty and a complimentary 3-year service AMC.

Best Under Sink RO Water Purifiers In India

If you don’t have enough space to mount the RO water purifier on the wall or on the kitchen counter, then your best bet is to buy an under-sink RO water purifier. The best under sink RO water purifiers in India are all priced below ₹20,000. They all have compact designs to fit under the sink, larger than 7-litre storage tanks, RO+UV purification, and higher than 15 litres per hour filtration rate.

1. AO Smith UTC X5+ RO Water Purifier – ₹15,149 Onwards

AO Smith X5 Plus RO Water Purifier

The AO Smith UTC X5+ is an under-sink RO water purifier with a 7.5-litre water storage tank and a filtration rate of up to 15 litres per hour. It has a pre-filter, a sediment filter, an RO membrane, a post-carbon filter, and a mineraliser. It lacks a UV filter, though, something that is present inside all the other water purifiers that we’ve selected.

2. Aquaguard UTC RO + UV Water Purifier – ₹16,500 Onwards

Aquaguard UTC RO Water Purifier

The Aquaguard UTC is an under sink water purifier with RO and UV filtration. It has an 8-litre storage tank, up to 42 litres per hour filtration rate, LED indicators for status, a mineraliser, a copper enricher, and long cartridge life of up to 6,000 litres.

3. Kent Sterling Plus RO + UV Water Purifier – ₹17,800 Onwards

Kent Sterling Plus RO Water Purifier

The Kent Sterling Plus has a much nicer design compared to the AO Smith UTC X5+ and the Aquaguard UTC RO water purifiers. It has a 6-litre water storage tank, a 20 litres per hour filtration speed, and a water mineraliser. It has a sediment filter, a pre-carbon filter, an RO membrane, a post-carbon filter, a UF filter, and a TDS controller. The Kent Sterling Plus also features an auto on-off feature to save power. As usual, Kent offers a 1-year standard warranty with a complimentary 3-year service AMC.

Best RO Water Purifiers In India

Best RO Water Purifiers With Hot & Cold Water Facility

If you want an RO water purifier with hot or cold water output, you would need to spend a little extra. The best RO water purifiers with hot and cold water facilities are from AO Smith and LG, thanks to the fine balance of design, features, water filtration quality, and temperature control they offer. Let us have a look at the best RO water purifiers in India with hot and cold water facilities.

1. AO Smith Z1 RO + UV Water Purifier – ₹13,499 Onwards

AO Smith Z1 RO Water Purifier

The AO Smith Z1 is an RO water purifier that can also dispense hot water as per your liking. It can dispense water with a temperature anywhere between 45°C and 80°C. It has status LEDs and a digital display to set the temperature of warm or hot water as per your liking. It has a 10-litre water storage tank, and it can be mounted on the counter or on the wall. It has a pre-filter, a sediment filter, a pre-carbon filter, an RO membrane, a post-carbon filter, a UV chamber, and a UF filter.

2. AO Smith Z8 RO + UV Water Purifier – ₹22,499 Onwards

AO Smith Z8 RO Water Purifier

The AO Smith Z8 is an upgrade over the AO Smith Z1. It saves more water while filtering, a mineraliser, and an alert system when it is time to replace the RO membrane and filters. All the other features of the AO Smith Z8 remain similar to the AO Smith Z1, including the 10-litre water storage tank, counter and wall-mountable design, 45°C-80°C water temperature control, and a digital display. It has a pre-filter, a sediment filter, a pre-carbon filter, RO membrane, a post-carbon filter, a mineraliser, and a UV chamber.

3. LG WHD71RB4RP RO Water Purifier – ₹44,190

LG WHD71RB4RP RO Water Purifier

The LG WHD71RB4RP is the best RO water purifier in India that offers hot and cold water dispensing. Yes, it’s priced at a whopping ₹44,190, but it is among the cheapest and most feature-rich RO water purifier that offers hot and cold water. You can set the temperature for cold water to as low as 5°C and for hot water to as high as 90°C. It also offers water at room temperature. It has a 7.3-litre water storage tank, and it can be installed only on the kitchen counter or tabletop. It has an LED status indicator, child lock, filter replacement indicator, and a stainless steel water storage tank. When it comes to filtration, it has a pre-filter, a sediment filter, a pre-carbon filter, an RO membrane, and a post-carbon block filter.


These are the best RO water purifiers in India for the year 2021. All of these models are from reputable and trusted brands like AO Smith, Blue Star, Eureka Forbes, Faber, Kent, LG, Pureit, and Xiaomi. If you want the best RO water purifiers in India, you can’t go wrong with any of these.

Consider Buying A Water Purifier Annual Maintenance Plan (AMC) By Onsitego

Onsitego’s Annual Maintenance (AMC) plan for RO+UV and UV water purifiers includes two scheduled maintenance services a year, annual replacement of filters and membrane, and unlimited repairs. You can watch the video listed below to know how Onsitego’s service professionals service a water purifier at your home.

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