Best Water Purifier in India 2023 – RO UV UF Water Filter

Best Water Purifier

What are the best water purifiers in India? If you are also looking for an answer to this all-important question, then continue reading this article.

For this review, we have tried & tested several water purifiers from various brands. Taking into consideration their built quality, filtration stages, quality of purified water, maintenance cost, and other aspects, we have picked some of the best water purifiers in India.

Best Water Purifier in India

I’ll start by saying that without a doubt you get the best value for your money when you buy a HUL Pureit Copper RO Water Purifier. It is a complete RO water purifier backed with reliable services by Hindustan Unilever (Pureit). 

Sale
Pureit Copper RO Water Purifier
This RO water purifier from PureIt is well-built, comes with seven stage water purification, and has innovative copper addition feature. I especially like its aesthetics.

Read on to view other recommended water purifiers.

Test Criteria

In deciding which water purifiers are the best, I tested the purifiers for the following:

  1. Features: I look at the overall features offered by the manufacturer relative to how expensive the product is.
  2. Water Quality: I have looked at the ability of water purifier to handle all kinds of water like municipality water, underground water, hard water, and water with low TDS.
  3. Customer Experience: I review buyer ratings on a variety of online platforms to find out the best and worse customer experience. This is something that you cannot guess by testing machine a few times.
  4. Price: I consider upfront cost and the cost of operating it and the cost of maintenance over the years.
  5. Durability: I consider the durability and the manufacturer’s ability to provide spare parts over a long period of time, like 15 – 20 years.
  6. Warranty: I look at the warranty duration and its terms and conditions when deciding the best brands.
  7. Service Quality: I consider the ability of manufacturer to provide good after sales service across the country. Usually, I prefer companies that have company owned service centers across India.

Top 10 Water Purifiers in 2023 (Reverse Osmosis)

With heavy industries operating around the cities and farmers using chemical fertilizers and pesticides in the villages, there is hardly any place left where one could think of not using a water purifier. While Jal boards claim to provide safe water through pipelines, many people claim that the water supply is poor in taste, muddy, and come with high percentage of chemical pollutants.  Situation is particularly bad in some urban areas.

In such a scenario, RO water purifier provides the best protection to you and your family. Let’s take a look at some of the best RO water purifiers available in India.

#1. HUL Pureit Vital Plus Mineral RO+UV Water Purifier – 60% Water Recovery

Features:

  • 6 Stage RO Filtration System.
  • Free Installation by PureIt [Call 1860 180 1000]
  • Suitable for Borewell, Tanker & Tap water with TDS up to 2000 mg/liter
  • Smart LED Indicator for purification process, tank full, and power on.
  • Food grade plastic water tank with 7-liter capacity.
  • 1 year warranty on product
  • Purification Capacity: Up to 24 LPH
  • Product Dimensions: 30.6 cm (Length) X 30 cm (Width) X 36.6 cm (Height)
  • Power Consumption: 42 W

The overall best water purifier in our list is from the multinational brand HUL (PureIt). This one also comes with a great water recovery rate but without post RO water path sterilization process. It uses RO+UV purification technology and comes with a mineral enhancer cartridge that enriches water with essential minerals like Calcium & Magnesium, to enhance the taste of your water.

Further it is equipped with an advanced alert system that warns you 15 days before the expiry of the Germkill kit.

Pureit-Vital-Plus

HUL has several other models like Pureit Ultima, Advances Max, Marvella Mineral, etc that offer same purification technology but differs mainly in aesthetics and water purification capacity/speed. We also like Pureit Ultima that looks beautiful with its digital display panel and purity indicator. If you can afford spending little more for aesthetics, then you should consider purchasing it. Otherwise, the Vital Plus model has all that is required from a good RO water purifier.

Pros
  • Safe and healthy purified water.
  • Water Recovery Up to 60%
  • LED indicators and Alarm System
  • 7 Liter water storage capacity.
Cons
  • No Water Path Sterilization

Check-Price
Amazon
Flipkart

 

#2. AO Smith Z9 Green RO Water Purifier with Hot or Normal Water Outlet & Water Path Sterilization – 55% Water Recovery 

Features:

  • 8 Stage RO Filtration System.
  • 2 times more water recovery. Wastes less water.
  • Uses SCMT cartridge, which is better than UV/UF Cartridge.
  • Free Installation by A.O. Smith [Call 1800 103 2468]
  • Suitable for water with TDS upto 2000 mg/litre
  • Food grade plastic water tank with 10 litre capacity.
  • 1 year warranty on product and all filters
  • Product Dimensions: 36.9 cms (Length)x 32.6 cms (Width) x 48.2 cms (Height)
  • Power Consumption: 60 W

AO Smith Z9 is a premium water purifier that comes with two electronic faucet to dispenses water at room temperature and hot water at up to 80 degree Celsius temperature. It comes with 8 stage purification including a Pre-filter, Sediment filter, Carbon block, Advance Recovery Technology, Patented Side Stream RO Membrane, Mineralizer, Silver Activated Post Carbon block, and SCMT (Silver Charged Membrane Technology).

SCMT is better than the common filters found in budget RO water purifiers like UF, MF, or UV technology. It gives much better protection from any potential secondary microbial contamination post RO purification. It cleans not just water tank but the entire water path, pipes, filters, etc.

In A. O. Smith Z9 RO Water Purifier 100% of the water passes through the RO Membrane and is double purified by silver charged membrane technology for dual protection. It can be used for purifying water with TDS up to 2000ppm.

AO Smith Z9

Further, its breakthrough Advance Recovery Technology gives true water recovery > 55%*, while ensuring 100% RO purification. It is this feature in this RO water purifier that makes it environment friendly by saving up to 9000 liters of water per year. Only a few other models can beat this model in water recovery percentage.

Elegant looking AO Smith Z9 has every feature that you would need in a RO water purifier. Hence this water purifier is our top choice for the premium segment of best water purifiers in India.

Pros
  • Safe and Healthy Purified Water.
  • Water Path Sterilization
  • Great Aesthetics
  • Water Recovery Up to 55%
  • 100% RO Purified Water
Cons
  • Expensive – Premium Product
Check-Price
Amazon
Flipkart

 

#3. HUL Pureit Copper+ Mineral RO + UV + MF

Features:

  • 7 Stage RO Filtration System.Pureit Copper+RO
  • Copper Charge Technology™
  • Soft Touch Sensor Buttons
  • Free Installation by Pureit [Call 1860-210-1000]
  • Suitable for water with TDS between 500 to 2000 mg/liter
  • 1 year warranty on product
  • Purification Capacity:  28 Litre/hr (Upto 45% recovery)
  • Product Dimensions: 36.1 cm (Length) X 35.0 cm (Width) X 44.7 cm (Height)
  • Power Consumption: 60 W

Pureit Copper+Mineral RO water purifier is an excellent purchase for people looking for RO water with the goodness of copper. It uses advanced 7-stage purification stages to provide you pure and safe drinking water. The seven stages include: Pre-Sediment Filter, Pre-RO Carbon Filter, Mesh Filter, RO Membrane, UV Reactor, Post-RO Carbon Filter, And Micro Filter Membrane.

The unique thing about this water purifier is that it uses its Copper Charge Technology™ to infuse right amount of copper in every glass of water at the time of dispensing water. So, there is no chance of toxicity or overdose of copper in the drinking water.

Further, we like the fact that this water purifier comes with two separate water dispensing buttons. One for normal RO water and the other for copper charged RO water. So, you have the flexibility of drinking normal RO water or copper charged RO water as per the choice of every family member. This feature is missing in other copper RO water purifiers in the market.

HUL Pureit Copper+ Mineral RO comes with a 8 Litre water tank made of food safe, non-toxic, engineering grade plastic. The smart LED indicators signal the water level and alert you when it’s time to change the filters.

I have this RO at my home and have been using it for more that 2 years, without a problem. It signals/alerts you for a cartridge change every 6 months. Whenever, this happens, you call the customer service, and they visit you within 24 hours to change the cartridge.

Hindustan Unilever offers a 1-year warranty on this product.

Pros
  • Infused with the Goodness of Copper
  • Smart LED Indicators and Filter Change Alert
  • Great Aesthetics
  • Water Recovery Up to 45%
  • 100% RO Purified Water
Cons
  • No Water Path Sterilization
  • Expensive – Premium Product
Check-Price
Amazon
Flipkart

 

#4. Eureka Forbes Aquasure from Aquaguard Amaze/Delight 7-litres RO+UV+MTDS – Best Budget Pick

Features:

  • 5 Stage RO Filtration System.
  • Free Installation by Eureka Forbes [Call 18602661177]
  • Suitable for water with TDS between 500 to 2000 mg/liter
  • Smart LED Indicator for purification process, tank full, and power on.
  • Food grade plastic water tank with 7 liter capacity.
  • 1 year warranty on product
  • Purification Capacity: 15 LPH (MTDS is fully Closed), UV Path – 36 LPH (MTDS is fully opened)
  • Product Dimensions: 35.5 cm (Length) X 30 cm (Width) X 45 cm (Height)
  • Power Consumption: 40 W

Aquasure Amaze/Delight RO is a very popular, latest model of RO water purifiers from Eureka Forbes. It offers RO, UV, and MTDS purification at a great price. The purifier looks classic yet modern. It has indicators for power, water purifying, and tank full. It produces a beep alarm when UV bulb or any other system develops a fault.

Because this purifier comes with a TDS regulator, you can adjust the TDS in purified water and that improves taste of water as well. This is an ideal water purifier for areas where TDS of input water is less than 500 ppm but you still want to install a RO.

AquaSure

This purifier offers a great value and should be first choice for anyone looking for an economical RO water purifier from a major brand.

Pros
  • Value for Money.
  • LED indicators and Alarm System
  • Purified water with RO, UV, and TDS adjuster.
  • 7 Liter Water Storage Capacity.
Cons
  • Not 100% RO purified Water.
  • Poor Water Recovery
  • No Water Path Sterilization
Check-Price
Amazon
Flipkart

 

#5. KENT Supreme/Ace Alkaline – RO + UV + UF + Alkaline + TDS Regulator + UV in Tank – Old Fashioned but Reliable

Features:

  • 7 Stage RO Filtration System.
  • Free Installation by Kent [Call 9278912345]
  • Suitable for water with TDS between 500 to 2000 mg/liter
  • Smart digital display of purification process, filter life, etc
  • Food grade plastic water tank with 8 liter capacity.
  • 1 year warranty on product and 3 years extended service free
  • Purification Capacity:  20 Litre/hr
  • Product Dimensions: 39.9 cm (Length) X 25.5 cm (Width) X 53.5 cm (Height)
  • Power Consumption: 60 W

KENT Supreme RO water purifier has dropped to #5 pick in our list for best water purifiers in India because this company is left behind in innovation and aesthetics. Whereas other brands have improved to better looking machines that recover as much as 75% of water. Kent is stuck with old technology and looks. Nevertheless, it still remains a safe and reliable option for water purifying requirement at home and office.

Kent Supreme, uses Carbon Filter + RO + UF + Alkaline + TDS Controller + UV in tank technology to provide your pure, healthy, and safe drinking water.

My brother-in-law has this water purifier, and he swears by its quality and service.

It treats purified water in water tank with UV light so that entire water tank is sterilized and free from harmful microorganisms.

Kent-Purification-Process

It comes with a 8-Litre water tank made of food grade plastic. It can be used to purify input water with TDS count between 500 to 2500 mg/liter.

Further, it has a unique save water technology that recirculates the reject water to overhead tank using the existing water booster pump.

The alkaline cartridge maintains the pH of water between 8 – 9.5, thereby providing healthy, alkaline drinking water.

Kent offers a 1-year warranty and 3 years’ service AMC free with this product.

Pros
  • 7 Stage RO Filtration
  • Alkaline water
  • 1 Year warranty + 3 years extended service free
Cons
  • Not 100% RO purifier water.
  • No Water Path Sterilization
  • Looks old Fashioned
Check-Price
Amazon
Flipkart

Other KENT RO Purifiers to Consider


 

#6. Zero B Eco RO – 8 Stage Purification & Water Path Sterilization – 70% Water Recovery

Features:

  • 8 Stage RO Filtration System.
  • Free Installation by ZeroB [Call 022 2788 1234]
  • Suitable for water with TDS between 500 to 1500 mg/liter
  • Smart LED Indicator for purification process, tank full, and power on.
  • Food grade plastic water tank with 6 liter capacity.
  • 1 year warranty on product
  • Purification Capacity: 12 LPH
  • Product Dimensions: 34 cm (Length) X 27 cm (Width) X 53 cm (Height)
  • Power Consumption: 30 W

This Zero B Eco RO water purifier comes with an incredible HRR technology + ESS technology which makes it the best RO water purifier pick for those looking for high water recovery rate and water path sanitization.

High Recovery RO (HRR) is a breakthrough technology that saves more than 80% water compared to conventional RO purifiers. It recovers more than 70% of water unlike other ROs that recover only 30 to 40% water.

More importantly, its silver ionization based patented purification system (Electrolytic Sanitizing System or ESS) keeps the components, tubing and the water tank sanitized, providing you the safest water to drink.

If you haven’t heard of brand ZeroB, then please know that ZeroB is a brand of Ion Exchange (India) Ltd., a listed company, that is also Asia’s largest water treatment company. They offer not just home water solutions but cater to industrial RO water purification needs as well.

Pros
  • 8 Stage RO Filtration
  • Up to 70% Water Recovery
  • Water Path Sterilization
Cons
  • Expensive
Check-Price
Amazon
Flipkart

 

#7. LG True Water Purifier Mineral Booster RO Water Purifier with UV in Stainless Steel Tank

Sale

Features:

  • 5 Stage RO Filtration System.
  • Free Installation by LG [Call 1800-315-9999]
  • Suitable for water with TDS between 500 to 1500 mg/liter
  • Stainless Steel water tank – 8 Litres.
  • Digital Sterilization of water path
  • 1 year warranty on product, 10 years on SS water tank.
  • Product Dimensions: 36.5 cm (Length) X 28.3 cm (Width) X 50.6 cm (Height)
  • Power Consumption: 40 W

LG True Water Purifier is the most popular RO water purifier from LG. It comes with a 6 stage RO purification system including a mineral Filter which adds Calcium (Ca) and Magnesium (Mg) to purified water to make it Healthier and Tastier. The 5 stages include Prefilter, sediment filter, pre-carbon filter, RO filter, Mineral + post carbon filter, and UV in tank.

Further, it comes with a stainless-steel water tank and digital sterilization to sterilize the entire water path. It has indicators for power, water tank level, and time to change the filters.

This purifier is an ideal pick for anyone looking for a RO water purifier with a stainless-steel water tank.

Pros
  • 100% RO Purified Water
  • Water Path Sterilization
  • Stainless Steel Water Tank
  • 8 Liter Storage Tank
Cons
  • Expensive
Check-Price
Amazon
Flipkart

 

#8. Faber Neutron Plus Alkaline RO + UV + UF + Copper Guard with pH Enhancer, 10 Liters, 9 Stage Water Purifier (Alkaline RO Water Purifier)

Features:

  • 9 Stage RO Filtration System.
  • Includes a Free Pre-filter.
  • Free Installation by Faber India [1800 209 3484]
  • Suitable for water with TDS upto 2500 mg/liter
  • Food grade plastic water tank with 10 liter capacity.
  • 1 year warranty on product
  • Purification Capacity:  13.5 Liter/hr
  • Product Dimensions: 36 cm (Length) X 21 cm (Width) X 46 cm (Height)
  • Power Consumption: 36 W

Faber Neutron Plus RO offers a great value and therefore we include it in our list of top 5 best RO water purifiers in India. Faber Neutron Plus RO is a premium water purifier with black glossy finish that comes with 9 stages of purification process that includes sediment filtration 1 (20 micron), carbon filter, sediment 2 (5 micron), RO membrane, post carbon filter, copper guard, UV chamber, UF filtration, and alkaline cartridge.

The copper guard technology used in this water purifier also acts as anti-fouling agent thereby providing pure and tasty water at all times.

Faber Neutron Plus RO is suitable for input water with TDS upto 2500 PPM or mg / liter. After removing TDS from source water, is adds back minerals in the activated carbon and copper cartridge, improving the taste of water.

Pros
  • 100% RO Purified Water
  • PH Enhancer, + Copper guard
  • 10 Liter Water Tank
Cons
  • Poor Water Recovery
Check-Price
Amazon
Flipkart

Other Faber RO Purifiers to Consider


 

#9. Aquaguard Aura 7L RO+UV e-boiling + MTDS with Active Copper & Mineral Guard Tech.

Features:

  • 8 Stage RO Filtration System.
  • Free Installation by Eureka Forbes [Call 18602661177]
  • Suitable for water with TDS between 500 to 2000 mg/liter
  • Adds copper ions to purified water.
  • Food grade plastic water tank with 7 liter capacity.
  • 1 year warranty on product
  • Purification Capacity: 20 LPH (MTDS is fully Closed), UV Path – 55 LPH (MTDS is fully opened)
  • Product Dimensions: 31.6 cm (Length) X 25.1 cm (Width) X 46.2 cm (Height)
  • Power Consumption: 45 W

Aquaguard Aura RO is the second RO model from Eureka Forbes that finds a place in our list of top 10 best RO water purifiers. It offers 8 stage purification with I-filter, mineral guard, chemi block, membrane life, MTDS, RO, UV e-boiling, & active copper cartridge.

Aquaguard Aura RO purification stages

The copper cartridge adds not just the goodness of copper to the purified water but also acts as an anti-bacterial agent.

Because this purifier comes with a TDS regulator, you can adjust the TDS in purified water and that improves taste of water as well. This is an ideal water purifier for areas where TDS of input water is less than 500ppm but you still want to install a RO.

Pros
  • 8 Stage Water Purification
  • Goodness of Copper
  • TDS Adjuster Improves Taste.
  • 7 Liter Water Tank.
Cons
  • Not 100% Pure RO Water
  • No Water Path Sterilization
  • Poor Water Recovery
Check-Price
Amazon
Flipkart

 

#10. A.O.Smith Z2+ Under The Counter RO+MIN-TECH – 5 Litre Water Purifier

Features:

  • 6 Stage RO Filtration System.
  • Smart Indicators for filter change, water lever, water pressure, and more.
  • Wastes less water.
  • Suitable for water with TDS upto 2000 mg/liter
  • Food grade ABS plastic water tank with 5 liter capacity.
  • 1 year warranty on product and 2 years on RO membrane if TDS in input water < 2000 ppm.
  • Product Dimension: 41 x 27 x 42 (LxWxH) CM
  • Power Rating: 48W

Our next best pick is an “Under the counter RO water purifier”. Such kind of water purifiers are very popular abroad but have not gained much popularity in India. But things are changing now. With more and more people getting their kitchens upgraded to modular kitchens, these under the counter RO water purifiers are gaining popularity fast.

If you are looking for an Under the counter/sink RO water Purifier, then this one is for you.

Under The Counter Water Purifier

A.O.Smith Z2+ comes with 6 stage purification steps that include Pre-filter + Sediment filter + Pre Carbon filter + RO Membrane + Silver Activated Post Carbon + Minerals Cartridge.

Its patented SSM technology wastes less water and improves pure water recovery.

Another unique feature of this RO water purifier is its sterilizing kit that sterilizes the entire water path, faucet and tank with out using any harmful chemicals.

The brand AO Smith can be trusted and the product itself has quite impressive features. Hence this water purifier is our top choice for under the sink best water purifier India.

Pros
  • 100% RO Purified Water.
  • Good Water Recovery.
  • Gooseneck Faucet for Convenience.
  • Alerts for Filter Change.
Cons
  • Only 5-liter Water Tank.
Check-Price
Amazon
Flipkart

 

Top 5 Best Water Purifiers – Ultraviolet UV Water Filters

UV water purifiers are best suited to purify piped water supply at homes. A good UV water purifier is all most people in cities need for water purification needs.

Here is our list for top 5 best UV water purifiers in India. These selections are based on client and customer experiences, as well as rigorous product research and analysis.

#1 Kent Ultra Storage 7 liter, UV and UF Water Purifier

Features:

  • Advanced UV+UF purification.
  • Auto stop/start, Filter change alarm and UV fail alarm
  • 7 Liter water storage tank
  • Free installation by Kent [ Call (+91)9278912345]
  • 1 year warranty

KENT Ultra Storage is the best UV water purifier in India with a storage tank. It employs four stage purification that works first by-passing water through a sediment filter, then activated carbon filter, then UV chamber, followed by UF membrane (0.01 to 0.1 microns) to completely filter out harmful microorganisms and excess chlorine.

Pros & Cons

Pros
  • Removes Bacteria, Virus, and Cysts
  • Reduces chlorine in water
  • Retains natural minerals and salts.
Cons
  • Not suitable for water with TDS over 200 ppm
Check-Price
Amazon
Flipkart

 

#2 Eureka Forbes Aquasure Aquaflo DX UV Water Purifier

Features:

  • Superior UV+ Carbon filter purification.
  • Filter change alarm and UV fail alarm
  • Provides 2 liters of water in a minute
  • Free installation by Eureka Forbes [ Call 18602661177]
  • 1 year warranty

Aquaflo DX is our choice for best UV water purifier without storage tank. It employs three stage purification that works first by-passing water through a clarity cartridge, then activated carbon filter, and finally through UV chamber. This is excellent choice for a water purifier that costs less than 5000 rupees.

Pros & Cons

Pros
  • Removes Bacteria, Virus, and Cysts
  • Reduces Chlorine in Water
  • Retains Natural Minerals & Salts
  • Filter & UV Fail Alarm
Cons
  • No Water Storage Tank
  • Not Suitable for Water with TDS over 200 ppm
Check-Price
Amazon
Flipkart

 

#3 KENT Ultra Wall-Mountable UV Water Purifier

Features:

  • Superior UV+ Carbon filter purification.
  • Provides 1 liter of water in a minute
  • Food Grade Plastic Body
  • Free installation by Kent  [ Call (+91)9278912345]
  • 1 year warranty

KENT Ultra UV water purifier employs three stage purification that works first by passing water through a sediment filter, then activated carbon filter, and then through a UV chamber to filter out bacteria, virus, cysts and excess chlorine.

Unless you like its look, there is no other reason to purchase this water purifier. If you want instant UV water purifier, then Aquaflo DX by Eureka Forbes is a better option. Not only that model costs less, but also offers double the water flow speed.  If you like Kent brand, then buy the first pick in this list. It only costs 1200 rupees extra and you will get a UV Purifier with storage tank as well as additional purification with a UF filter.

Pros & Cons

Pros
  • Removes Micro-organisms from Water.
  • Retains natural minerals and salts
  • Reduces Chlorine
Cons
  • Slow output of water at 1 liter / minute
  • Not suitable for water with TDS over 200 ppm
  • No Water Storage Tank
Check-Price
Amazon
Flipkart

 

#4 Eureka Forbes Aquaguard Deluxe UV Water Purifier

Features:

  • Superior Sediment + Carbon filter + UV filter.
  • Advanced Mineral guard technology
  • Filter change alarm and UV fail alarm
  • Provides 2 liters of water in a minute
  • Free installation by Eureka Forbes [ Call 18602661177]
  • 1 year warranty

Aquaguard deluxe UV is an instant water purifier with UV e-boiling technology. Its mineral guard technology retains essential minerals in your water. This water purifier is suitable for public supply piped water with TDS up to 200 mg/litre. 

Water filtration stages include a pre-filter, chemi block, mineral guard, and lastly the UV chamber.

Pros & Cons

Pros
  • Removes Micro-organisms from Water.
  • Retains natural minerals and salts
  • Reduces Chlorine
Cons
  • Slow output of water at 1 liter / minute
  • Not suitable for water with TDS over 200 ppm
  • No Water Storage Tank
Check-Price
Amazon
Flipkart

 

#5 Kent Maxx 7 liter, UV and UF Water Purifier

Features:

  • Advanced UV+UF purification.
  • Works on water with TDS up to 600 mg / liter
  • Auto stop/start, Filter change alarm and UV fail alarm
  • 7 Liter water storage tank
  • Free installation by Kent [ Call (+91)9278912345]
  • 1 year warranty

KENT Maxx is the best-looking UV purifier in our list of best UV water purifier in India. It employs four stage purification starting with a sediment filter, then activated carbon filter, then UV chamber, followed by UF membrane. This water purifier comes with a detachable 7 liter water storage tank that is made of transparent blue colored food grade plastic.

Pros & Cons

Pros
  • Removes Bacteria, Virus, and Cysts.
  • Reduces Chlorine
  • Retains Natural Minerals and Salts
  • 7 Liter Water Tank
Cons
  • Not suitable for water with TDS over 200 ppm
Check-Price
Amazon
Flipkart

 

Which Water Purifier is Best for You

Largely, there are three main types of water purifiers that you can install in the kitchen. These are: Gravity based nonelectric water purifiers, UV water purifiers, and RO water purifiers. All of these water purifiers disinfect the water but not all of them will work with all types of water. To decide which one is the best water purifier for your needs, it’s important that you know pros and cons of each type of water purifier.

Gravity Water Purifiers

Gravity based water purifiers rely on gravity for water purification. You have to manually pour water into the upper tank of water purifier. This could be cumbersome especially for the busy or elderly people.

Further, the gravity based water filters are suitable to purify water with TDS or total dissolved solids content less than 500 mg/liter. This means it will not be suitable to purify bore well water that is muddy or rusty in color. In several cities tap water is full of chlorine and fluorine among other salts making such water unsuitable for gravity water purifiers.

Gravity based water purifiers are good to remove bacteria, protozoa, cysts and any turbidity in water. However, it can not remove viruses, heavy metal or chemical content in your water. Some gravity water purifiers come with silver impregnated activated charcoal filter that can remove some chlorine from water.

In this review we have not covered gravity filters as they are not the best filters to purify water. However, if you are looking for one, you can consider KENT Gold Star

UV Water Purifiers

Similarly, if the water you need to purify has high TDS then even the UV filters may not be able to work effectively. This is because the micro-organisms that are stuck or hidden behind suspended particles in water will escape the UV rays and will therefore not die.

However, the UV water purifier models that come with a pre-filter and a UF cartridge are good at eliminating all micro organisms from the purified water.

A UV water purifier that comes with a pre-filter and a UF filter is suitable for purifying water with TDS upto 500 mg/liter*.

The 2 main advantages of a UV purifier over gravity water purifier are:

  1. It is more effective at killing germs
  2. These water purifiers are fully automatic.

Is UV Water Purifier Good Enough?

Many people like to go for a RO water purifier, irrespective of whether they really need a RO or not. This is because they are simply following the trend and are not aware of the potential health effects of drinking de-mineralized water.

The problem with RO purifiers is that they waste too much of water, they are costly to maintain, and they can cause mineral deficiency in body if TDS level is not maintained in the purified water.

RO Water Purifiers

RO water purifiers on the other hand don’t face any of these problems and provide you with water which is as pure as distilled water. But the problem with RO water purifiers is not purification, but the un-natural character of water that is produced after multiple stages of purification process.

This problem happens where people install RO Water Purifier for purifying water that has TDS of less than 500. In such cases, the TDS in purified water reduces to less than 50 mg/liter.

Such water is un-natural and not found in nature. Not even in Himalayas. In nature, water always have some TDS in it, which includes minerals, bicarbonates, and other substances. Such water is alkaline and is best for human consumption.

To fix this problem, latest RO water purifiers come attached with an alkaline mineral cartridge, or TDS adjuster, or both. This process adds important minerals like calcium, and magnesium back into the purified water and also improves the taste of water and its PH value.

RO Ban – National Green Tribunal Vs RO companies

In the year 2019, National Green Tribunal ordered prohibiting the use of reverse osmosis (RO) purifiers where total dissolved solids (TDS) in water are below 500 mg per litre. RO manufacturers moved supreme court, but the court refused to stay NGT ban. Instead, it directed RO manufacturers association to approach the government for resolution. Government is currently, talking to all stake holders and will soon make a law for RO Water Purifiers.

Source: https://www.indiatoday.in/india/story/supreme-court-water-ro-ngt-ban-approach-centre-1621536-2019-11-22

Because RO water purifiers are not environment friendly and waste too much of water during purification process, it is therefore highly unlikely that RO Ban will be lifted until RO water purifiers become more environment friendly.

This gives us another reason to prefer a UV water purifier over a R.O. water purifier. Especially if the TDS in your water is less than 500mg/liter.

RO won’t be banned in cities/areas where TDS in water provided by water agencies (Jal Boards) is over 500mg/liter.

Bottom Line:  

  1. Buy a RO water purifier with TDS controller if the TDS of water at your home is between 501 to 1200 mg/liter. TDS controller is a preffered because it gives you flexibility to adjust the taste and TDS as per your liking. And it also retains natural properties of water to a certain extent.
  2. Buy a RO water purifier with mineral cartridge if the TDS of water at your home is between 800 to 2000 mg/litre.
  3. Buy a UV purifier if the input water (from Jal Board) at your home tastes good and its TDS is up to 500 mg/litre.
  4. Buy a Gravity water purifier if TDS of water at your home is less than 500 mg/liter and your budget is under ₹3500.

Update: To avoid the ban, RO water purifier companies like PureIt, ZeroB, AO Smith, etc have now achieved better water recovery rate. In some cases it is as high as 70 percentage. This is quite an improvement and can actually prevent a total ban on RO water purifiers.


Best Water Purifier in India – Frequently Asked Questions

How do I choose a good water purifier?

The very first step required to choose a good water purifier is to test the TDS in water at your home/office. If the TDS is less than 500 mg/liter, then go for a UV water purifier or gravity water purifier based on your budget.

If TDS in water is above 500 mg/liter, then go for a RO water purifier with TDS adjuster from a good brand like AO Smith, PureIT, Eureka Forbes, Kent, Livpure, Faber, or others.

Among RO purifiers, there are various sub features to choose from. Like High water recovery machines, Post RO water sanitization feature, mineral cartridge, alkaline water etc. Choose them as per your need and budget.

Is boiled water better than RO water?

Boiled water provides 100% protection from diseases caused due to water borne micro organisms like bacteria, virus, etc. However, it does not get rid of TDS in water. So, if there are chemicals in the water due to industry and pesticide pollution, then they continue to be present in boiled water.

Again, if the source water does not have high TDS or chemical pollutants, then boiled water is absolutely safe. However, if the source water is contaminated with industry chemicals and has high TDS, then RO water is better than boiled water.

Does boiling water remove TDS?

Boiling water does not reduce TDS. It only kills the micro organisms present in source water.

What is best TDS for drinking water?

As per WHO, a TDS level less than 300 mg/litre is considered as excellent. For RO purified water, a TDS of 75-150 is considered best for drinking.

Why is RO banned?

RO water is banned in several countries. In India also, the government is considering banning RO water in areas where the source water has TDS less than 500 mg/liter. There are two main reasons behind it. First, RO water purifiers waste too much of water. Second, RO purification of water with TDS less than 500 mg/litre often results in output water with too low TDS level, that is acidic in nature and harmful for health.

Which type of water purifier is best water for India?

We asked this question to a water treatment technician and here is what he said:

“As a father and a water purification technician, I often recommend UV water purifiers over RO water purifiers. UV water purifiers are an excellent way to meet our families needs for water purification. When used in conjunction with a pre-filter and post-filtration, UV light is an excellent method to purify tap water at home. Most importantly, it retains the natural PH, alkalinity and minerals in the water; making it the safest purifier water to drink.”

However, if the input water at your home or office is hard or has high level of dissolved solids (TDS), then you must use a Reverse Osmosis based water purifier.

Is there a water purifier that can dispense both cold and hot water?

Yes, you can purchase Dr. Aquaguard Fusion Hot N Ambient N Cold Water Purifier and a few other similar models.

Useful Resources:

Riya Menon

Last update on 2023-02-05 / Images from Amazon

69 replies
  1. Sandeep Ranjan says:

    Very genuine information! Its great to see much needed details at a single place for selecting branded water purifiers. Taking decisions to purchase a water purifier has become very easier.

    • Akash Chakravarty says:

      Thank you for such a detailed information. Keep up your good work.

  2. Bhuvan says:

    Fantastic comparison. This helped me in deciding which water purifier to buy. Thanks for the research and efforts put in for this article. Great going..Good Luck.

  3. Akash Panda says:

    Thanks for the article and it was really insightful.

  4. Rajesh says:

    Good comparison of water purifiers required for us. Need a clarification or advice in my case. I was using Kent Maxx UV+ UF water purifier in our old apartment where government water was supplied. We moved to a new apartment and here the watchman is pumping bore water mixed with water supplied by local authorities. I had called a water purifier technician from UrbanCompany and he was saying that TDS is 400 and I have to use RO and it is not good to use just an UV purifier and it will cause health concerns (UF filter was disconnected as it was always getting jammed). As the taste water is not good and TDS is around 400 and with above background, what do you suggest?

    • Lavanay says:

      Yes, you should buy a RO water purifier for borewell water especially when the taste is not good.

    • Rajesh G. says:

      Thanks Lavanay for your suggestion. Trying to re-confirm as the writer said above that for TDS upto 500 UV+UF filters are good enough and the technician suggesting that for TDS of 400, we have to go for RO. I was aware earlier that just UV+UF water purifiers do not enhance the taste of water and do not reduce the TDS of water which in turn enhance the taste of water.

      My doubt is whether the technician was correct as he later handed over his personal visiting card where he sells RO water purifiers.

      • Lavanay says:

        Hi Rajesh,

        Yes, a UV + UF water filter is good enough for purifying water with TDS upto 500 mg/liter. However, it won’t reduce the TDS in the water. So, if the input water tastes bad in your area, then it would be a good idea to get a RO water purifier with Mineralizer and TDS adjuster. Most RO companies in India and their technecians advise people to go for RO water purifier if TDS of input water is over 200 mg/litre. So, no wonder the technician asked you to buy a RO water purifier.

        However, As per WHO, a TDS level less than 300 mg/litre is considered as excellent.

        And NGT has asked for Ban on RO water purifiers in areas where TDS is less than 500 mg/litre mainly because it wastes too much water.

        Finally, you have to take the decision yourself. Check the TDS of input water, taste it, and then decide.

      • Rajesh says:

        Thanks Lavanay for the clarification. So, what I can conclude from your post is though WHO recommends TDS of 300 as excellent or Govt plans of banning RO for TDS below 500, if taste of water is not good we have to buy RO with TDS controller and added minerals. Correct?

        • Lavanay says:

          Yes, if taste of water is not good, we have to buy RO with TDS controller and added minerals.

        • Rajesh says:

          Hi Lavanay, I have been searching for a RO water purifier with TDS controller and added minerals but could not zero down on any model from major brands which has both. I see that with TDS controller it just adds some input water to enhance the TDS and so they say it is retaining essentials minerals… this way all RO water is not going through full purification right? There are some models which are having mineral cartridge where TDS cannot be controlled and so might not be good for health. Any comments?

          • Lavanay says:

            Hi Rajesh,

            Yes, you are very much right in your understanding. We recommend purchasing the RO water purifier with TDS controller as it has several advantages like, It gives you flexibility to pass 100% water through RO membrane or completely avoid it, or adjust it to a certain percentage. When you allow some water to avoid RO membrane, it not only adds TDS to output water but also reduces the amount of water that RO water purifier wastes in the process of water purification.

  5. Chandra Sekhar says:

    Very useful info. Thanks a ton for your efforts.

  6. Rajanandan says:

    Hi, could you please suggest me good water purifier…TDS level of the municipal water is below 100 and I am currently using Hindustan Unilever PureIt. Do I need to continue with the same since TDS level is much below or do you suggest and water purifier?

    • Lavanay says:

      If the TDS of input water is just 100 mg/litre, then you don’t need a RO water purifier. Simply buy a UV/UF water purifier like the ones we have suggested in this article under UV water purifiers.

  7. bikram regmi says:

    im from kathmandu. tds of underground water is 380 and taste of water is good. which water purifier should i buy? plz suggest.

    • Lavanay says:

      If TDS is just 380,and the water tastes good, then why do you want to install a water purifier. Drink natural water.

      If you still want to purchase a water purifier, then buy any UV water purifier.

  8. Vijay says:

    Hi is it safe to use RO plus UV plus UF water filter with Copper ions. Can we drink water with copper ions for full day for years. If yes which water filter is best .

  9. SUMIT KATOCH says:

    Dear Sir, In our residential area, TDS level of water is 120. Which water purifier would you recommend? If we install RO water purifier, does this effect to our water quality. I read somewhere that it will decrease the sodium level of the water which is bad for health. Kindly guide

    • Lavanay says:

      RO water purifier is not recommended in your case. Buy any of the UV water purifiers we have listed above.

    • Kumar says:

      Hi sir. We have borewell at home. Which is the best purifier to but

  10. Sudhakar Reddy says:

    Thanks for the very useful information on the water purifier.. it has helped a lot to understand and decided what to buy.. kudos

  11. Suresh Pathania says:

    I have water supply from municipal corporation in my house with TDS level of 285. I am planning to buy a new water purifier. Kindly guide should i go for
    RO (Havells Digiplus Alkaline or Kent Grand Plus) or UV water purifier?

    • Lavanay says:

      Because TDS of source water is under 300ppm. I will advise you to purchase a UV water purifier. But if you want to purchase a RO, then Kent Grand Plus is a better choice as it gives you ability to adjust TDS in output water as per your liking.

  12. Suhana says:

    Hello sir
    I stay in apartment. When I tested water with tds meter I got reading about 420 to 450. Eureka Forbes executive cane and tested reading was above 500. They suggested to buy Dr aquaguard active copper HD RO or RO+UV+MTDS
    What is your opinion sir? Kindly guide

    • Lavanay says:

      At TDS 450 to 500 mg/litre, you can go with a RO water purifier with TDS controller. So, in my opinion Aquaguard RO+UV+MTDS is a better option as then you can adjust the TDS in output water to about 100-120. Which would be ideal.

      • Rajesh says:

        How to differentiate between Aquaguard Aquasure Delight with Dr. Aquaguard EnRich RO+UV+MTDS both similar functionality from Eureka Forbes. I am told Dr. Aquaguard is directly and exclusively sold by Eureka Forbes whereas Aquasure and Aquabrand models are sold by retailers too. So, any advantage to go with Dr. Aquaguard models directly from Eureka Forbes. There is cost advantage from buying from retailers than buying directly for Aquaguard and Aquasure models.

        • Lavanay says:

          It has same purification stages. The only difference seems to be design, and asthetics. Yes, its true that Eureks Forbes uses different branding for water purifiers they sell online and the models available in stores are different. No matter, which model you purchase, it will be backed by same quality of service by Eureka Forbes. Yes, purchasing online is cheaper as there are less number of middle men.

  13. Kiran says:

    Hi Mam,

    My borewell water TDS is around 2400. Can i use Kent Pearl? It says TDS supported up to 2000. I know that Faber supports upto 2500 TDS, but i am inclined to use Kent and ready for extra maintainance incase the filters go once in 3 months. Please suggest!!

    • Lavanay says:

      Yes, you can purchase Kent Pearl. However, please note that it is possible that the company may not replace filters if problem arises even during the warranty period.

  14. Krishna says:

    Thanks for the article, it gave me good insight about choosing water purifier. I have a question, will require your suggestion & advice. At my home TDS 250 with source of water mix of bore water & river water. In comparison on the water purifier that is recommended by the executive who visited my house for Eureka Forbes Dr.Aquaguard Nrich HD RO+UV+MTDS water purifier with zero pressure pump compared with Kent Grand Star RO+UV+UF+TDS Control+UV disinfection in storage tank, both the products are priced around 21K, which product is good to purchase or Do you suggest any better model? Sorry i cannot copy the link of the products here as it is not allowing for copy in the comments section. Appreciate your reply!

    • Lavanay says:

      Hi Krishna, TDS of 250 is kind of ok. I would recommend a UV+UF water purifier like Kent Maxx. If you are inclined to buy a RO water purifier, then you can purchase either of the two water purifiers you named.

  15. Krishna says:

    Thanks Lavanay for the clarification. I live in an apartment last year TDS is 180 & when I checked it during this week TDS is 250. This change in TDS levels within short span made me think to choose RO for future needs which will suffice taste of water & any relocation of place. Please correct me if my understanding is wrong? In your article you suggested to purchase Kent Grand but Kent executive mentioned to go with top end model, which i am not sure whether they are correct. I am unable to figure it out which model to purchase, will require your expert guidance. Please reply on the below 2 questions. 1) In comparison Eureka Forbes Dr.Aquaguard Nrich HD RO+UV+MTDS water purifier with zero pressure pump (I dont see UF mentioned in this model) compared with Kent Grand Star RO+UV+UF+TDS Control + UV disinfection in storage tank, which model is best choice in Features & Performance? 2) In terms of minimal maintenance like Filter cost, AMC, Warranty, after sales support and less water wastage that has RO + UV + UF + TDS controller , Which Water Purifier Company should I give priority for the purchase?

    • Lavanay says:

      Its natural for a company’s executive to suggest the top brand. If you can afford it, it would certainly be better than lower priced RO purifiers of same company.

      Coming to the two choices – I think Kent Grand Star RO has better features. But Aquaguard Nrich has better, modern design and it is also low on maintenance cost. Service quality, warranty, water wastage is almost the same for both the models.

      Disclaimer: We haven’t tested these two models. What ever I have written above is based on the information I could find online.

  16. Krishna says:

    I agree with you Lavanay, how sales people drive us to purchase top brand to get their margins & profit. What is the recommended TDS by WHO & Bureau of Indian Standards (BIS) that we have to set at the RO water purifier to ensure minerals, PH value is maintained? While comparing the models I could notice Aquaguard Nrich didn’t mention about UF in their model but not sure whether I get it correctly. I know you didn’t test these models but based on your experience which model would you choose in between Eureka Forbes Dr.Aquaguard Nrich HD RO+UV+MTDS water purifier with zero pressure pump or Kent Grand Star RO+UV+UF+TDS Control+UV disinfection in storage tank?

    • Lavanay says:

      Aquaguard Nrich does not have a UF cartridge. If I have to choose between these two models, I’ll go with Kent Grand Star.
      There is no exact number recommended by WHO or BIS regarding the TDS in drinking water. WHO rates water with TDS under 300 as excellent.

  17. Krishna says:

    Lavanay, Thanka a lot :) As suggested I will go ahead with the purchase of Kent Grand Star that is good in features & performance over Dr.Aquaguard Nrich. I got it about TDS recommendation, I will prefer to set it between 100 – 150.

  18. Naveen says:

    Dear lavanay

    I am using Kent grand ( ro +uv+ uf +TDS controller) and tds is around 400 to 500 more. Actually I hve problem of stomach so someone say that ro reduce all useful mineral too from water and advised me use ro with mineral cartridge than aquaguard guy suggest me reviva ro+uv+mtds with copper and aosmith guy suggest proplanet 4 so I am confused to buy which one and please suggest which one I buy or old Kent is good

    • Lavanay says:

      I think old water purifier would be good enough. Get it serviced if you are suspicious. Also see a doctor for problems with your stomach.

    • Lavanay says:

      As per current scientific research, as long as your purifier is using food grade plastic, it is not toxic. If you are not convinced, then you can purchase a RO with stainless steel water tank. Like this one here https://amzn.to/344aqH1

  19. DEEP says:

    Very informative article. Realty comparison for first time buyers.

  20. Azad Yadav says:

    TDS keeps on fluctuating in a range of 70 to 750…currently it is 750. Want to buy Z9 of AO smith…but there is no tds controller in it.
    Pls suggest.

    • Lavanay says:

      This is weird situation. Even if you purchase a water purifier with TDS controller, you can not adjust it every day or every month. Only a technician can adjust TDS controller. Take decision based on what is the TDS level most of the time in a year.

  21. Raghu Tallam says:

    Hi Lavanay
    Great article and glad to see individual responses from you.

    I live in a community in Hyderabad and water is sourced mainly from municipality (Godavari or Manjeera pipeline water), and for some months especially in summer it’s mixed with bore well and tanker water too.

    The TDS ranges between 240 to 340 on different days. Do you recommend a RO filter or UV+UF is fine?

    Most of the purifiers say that UF only works if TDS is less than 200ppm. Is that correct?

    I have been using Kent Pearl RO for last 4 years, but it breaks down to often, so looking for a change and thinking if I need RO or not.

    Which water purifier do you recommend?

    • Lavanay says:

      Hi Raghu. Yes a UV+UF filter would work the best in your case. We have recommended Kent ultrastorage UF UV purifier but if your experince with Kent is not good, then you can purchase AO Smith X2. Just make sure that you have AO smith’s service center in your city before making the purchase.

      • Raghu Tallam says:

        Any reviews on LG Puricare range? I am
        Told they come with stainless steel, and don’t require servicing every year.

        All service personnel keep telling me, RO is must, and output TDS of 60 is good enough. Any comments?

        • Lavanay says:

          Yes, LG and havells have a few models that come with a stainless steel water tank. However, all RO water purifiers need servicing every year. If someone tells you that some model does not need to be serviced, then he is lying. The water purifier industry including the technicians promote RO water purifiers as they are costly and they make them more money. They recommend RO if input water has TDS over 200 ppm and they set the TDS of output water to 50 to 60 ppm. On the other hand NGT, which is a government agency, recommends RO only for water with TDS higher that 500 ppm. Which means they consider TDS of 500 as safe. Now its upto you to decide the TDS in your water.

  22. Sapna says:

    I have purchased a Havells Water Purifier Max through a store which is specific to purifying borewell water.
    Is it a good buy ? Kindly provide your feedback

    • Lavanay says:

      Haven’t tested it but the product looks promising.

  23. Manjushree says:

    Hi I am thinking to buy water purifier only for tap water so after I red ur review decided to buy eureka forbe aquaguard uv plus
    But now one of my friend suggested that copper based new launched is best but I searched for the reviews but couldn’t find so please help me through this , which one is good?? It’s very helpful if u replied
    Thanks before

  24. VenugopalReddy says:

    Havells max or Havells delite which is the best

    • Lavanay says:

      Both are good. But I like havells delite for its looks.

  25. Balakrishna Varkala says:

    Very good information and conclusion

  26. Salil says:

    Very good article. We get municipality water in our community, and current TDS value ranges under 200. However, during summer we may need to go for Tanker water. Considering this, is there any RO+UV+UF purifier with MTDS controller with an option to bypass RO most of the year, and engage RO only during Summer?
    Also, any suggestions between kent Ultra UV+UF Vs. Kent Maxx UV+UF, and any other UV+UF options, preferably with no tank or with an option to bypass storage tank.

  27. Sushil N H says:

    Hi want to buy the filter for the first time, looking into the comments I decided to buy UV Water filter. So please let me know which one is the best option

  28. Pradip Kar says:

    I live in the government quarter. There are water tanks in every quarter. There are a lot of big and ancient trees here. The water level in the soil is very good-the speed of water is great. But if water is kept in buckets or mugs then white sediment is formed in the water. All I need to know is that what kind of purifier [preferred the model of Eureka Forbes] should I use that would be good for the baby?

  29. Mahendra says:

    I stay in apartment. We are using tap water. Water also good taste. When tested water with TDS meter I got reading about 40 to 45. Which water purifier should I buy. Please suggest.

  30. Anupam Dutta says:

    I live in Baguiati, Dist.-24 Parganas (N) and here huge quantities of iron particles are existing. So I want to purchase a water filter including RO system. So which will be best between Kent & Eureka Forbes for our locality.

    • Lavanay says:

      All major water purifier companies provide service in your locality. So, you can purchase any of them. Personally, I have had better experience with the Eureka Forbes. But many others prefer Kent over Eureka. Its about personal choice.

  31. Venkat says:

    Sir I want to know whether rain water needs remineralisation or adding minerals to make it good drinking water in the process of water purification. Please let me know. I am from coastal Karnataka Thank you.

Comments are closed.

error: Content is protected !!