10 Best Water Purifiers in India – A Buying Guide

Drinking Clean water is very crucial for a healthy life. Dirty or impure water can not only lead to bacterial or viral diseases but it can also lead to long term diseases as well. People who doesn’t take this seriously end up spending thousands of rupees in hospitals every month.Condition is even worse for those who live in big cities like Mumbai, Bangalore, Delhi and other metropolitan cities. The level of pollution these days has contaminated almost all the sources of drinking water.


It becomes a matter of paramount importance to ensure the proper cleanliness of water which you are drink. With the advent of new technologies like Reverse Osmosis for water purification it ha now become possible to purify the available water and make it suitable for drinking. These techniques will not only kill germs, bacteria and impurities it will also remove the foul odour of water. 


Water Purifier Buying Guide

Before we dive deep into our report first understand the technical jargon used in water purification :- 

Reverse Osmosis(RO) :- Semi permeable membrane having extremely tiny pores in micron are used to filter remove ions, unwanted molecules and larger particles.

Ultra Filtration (UF) :- Pressure or concentration gradients is used to a separate solute of high molecular weight by allowing water and low molecular wight solutes to pass through a semipermeable membrane.

Ultraviolet Filtration(UV) :- Water is passed through a UV lamp chamber where the microorganism and bacteria gets killed.

Total Dissolved Solids (TDS) :- Dissolved organic and inorganic solids in water is known as TDS. It is the presence of minerals, metals or salts in a given volume of water which is is expressed as parts per million (ppm).


TDS Level(mg/ltr) Rating
Less than 300 mg/litre  Excellent
300 to 600 mg/litre Good
600 and 900 mg/litre Fair
900 and 1200 mg/litre Poor
Greater than 1200 mg/litre Unacceptable



What type of Purifier to choose UV UF or RO? Guide to choose :- 

TDS less than 200 : UV, UF Water Purifier can be good
TDS greater than 200 : You probably need an RO Purifier
TDS greater than 2000-2500 : Domestic Water Purifier probably wont be good.


There are certain crucial parameters also which you must look for, before buying a water purifier. The most important parameters are :- 

  1. Purification Technique
  2. Purification capacity
  3. Storage Capacity
  4. Size and Material of Purifier
  5. Power Consumption
  6. After sale service
  7. And of-course the Price.

There are many water purifier available in market so choosing the right one is very important. We studied the market and came up with

Best Water Purifiers in India. Here is the list:-

KENT Grand 8-Litres Wall-Mountable RO 

With Storage capacity of 8 liter and a filter capacity of 15 liter/hour Kent Grand purifier is one of the best and widely used water purifier across India. It can work well with water TDS (500-2500).

It usage Reverse Osmosis (RO), Ultraviolet (UV), Ultra Filtration (UF) and Total Dissolved Solid (TDS) purification technologies make the water free from bacteria, germs and impurities. It has a filter change alarm which alerts you whenever the filter needs to be replaced.

It has really good After Sale Service

Our Recommendation:- ♣ ♣ ♣ ♣ ♣



Purification Technique:- RO, UV, UF, TDS

Purification capacity:- 15 liter/ hour

Storage capacity:- 8 liter

Material and Size:- Food Grade Plastic / 400(L) x 250(W) x 520(H)

Power Consumption:- 60W

Warranty:- 1 Year Warranty + 3 Years No Service Charge



Eureka Forbes Aquasure from Aquaguard Smart

AquaSure from Eureka Forbes is one of the Advanced water purifier which works on RO, UV, MTDS purification technologies. MTDS controller enables the purifier to work with TDS is between 200-2000 and also restores the water taste. It has a smart power saving mode which turns off the power when tank is full. 

It has good After Sale Service

Our Recommendation :- ♣ ♣ ♣ ♣



Purification technique: RO, UV, MTDS

Storage Capacity:- 6 liters 

Material:- Plastic

Power Consumption:- 230 watts

Warranty: 1 year on product

HUL Pureit Ultima

Pureit Ultima is a good product with a really nice look. It works on RO, UV and MF(Micro Filtration) technology.

Our Recommendation :- ♣ ♣ ♣ 


Purification Technology:- RO, UV, MF

Purification capacity:- Upto 28 liter/hour

Storage Capacity: 10 liters

Power: 36 watts

Warranty: 1 year on product



Blue Star Aristo

Good Product from Blue Start in this Price Range.

Our Recommendation :- ♣ ♣ ♣ 


Purification Technology:- RO, UV

Capacity: 7 liters

Power: 36 watts

Warranty: 1 year on product



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