9 Best Water Purifiers for Home in India (2022): Reviews & Buying Guide

It’s no secret that drinking good water is essential for optimal health. Hydration is necessary for a healthy lifestyle, and drinking tap water can lead to high blood pressure, kidney stones, and other issues. This is because tap water carries harmful chemicals and metal particles like lead, which are harmful to your health. Water purifiers are the answer to this problem. These purifiers clean water by eliminating germs, bacteria, lead, and other pollutants while balancing the pH level. If the TDS of your water is 200 to 1000ppm, you should choose a RO water purifier. Only an RO water purifier can remove metal particles from hard saltwater.

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What’s TDS Level?

The total dissolved solids (TDS) level of water is a measure of its quality. TDS is a measurement of the number of dissolved substances in water and is represented by PPM. The ideal water has a TDS of around 50-150ppm.

Water filter or water purifier?

Water purifiers are often confused with water filters, but they are two distinct devices. A water filter separates particles and impurities from water, making it clean and safe to consume and use for other purposes such as washing, cleaning, and cooking. Water purifiers take it one step further by removing biological pollutants (viruses and germs), hazardous chemicals, metals, solid particles, and toxic gases from the polluted water. Reverse osmosis (RO), distillation, and UV treatment are all used by water purifiers to remove contaminants.

Best 9 RO Water Purifiers with Price List

To make things easier for you, we’ve compiled a comparison table for the best water purifiers:

Brand

Tank Capacity 

Warranty

TDS controller 

Technology

Material

Electricity Usage (watts)

KENT Grand+

9 liters

1 year

Yes

RO + UV + UF

Plastic

60

HUL Pureit Copper

8 liters

1 year

Yes

RO

Plastic

55

Kent Grand

8 liters

1 year

Yes

RO + UV + UF

Plastic

60

Eureka Forbes Aquasure

7 liters

1 year

No

RO + UV

Plastic

30

Eureka Forbes Aquaguard Aura

7 liters

1 year

No

RO + UV + Active Copper & mineral guard

Plastic

20

HUL Pureit Eco Water Saver

10 liters

1 year

No

RO+UV+MF

Plastic

55

Blue Star Aristo 

7 liters

1 year

No

RO+UV+UF

Plastic

36

AO Smith Z9 Hot+

10 liters



1 year

No

RO




Plastic

36

Blue Star Excella

6 liters

1 year 

No 

RO+UV+UF

Plastic

48

 

1. Best Multi-Purification Purifier – KENT Grand PlusCheck Discount Price

KENT Grand Plus Kent provides 9 liters of high storage capacity and purification with its multi-purification technology. It is an attractively designed water purifier that uses several purification processes such as RO, UV, UF, and TDS Controller. All other brands like AO Smith Z9 Hot and Blue Star lack this.  Its UV disinfection makes water 100% clean and healthy. It filters water from all sources, which distinguishes it from other brands. Its electricity usage is 60 watts. And it comes with a 1-year warranty.
Pros
  • Uses multi-purification methods.
  • Has UV disinfection.
  • Overflow protection.
  • Auto start and shut down.
Cons
  • No detachable storage tank.
  • No Child Lock.

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  1.  Best for Large Household Use – HUL Pureit CopperCheck Discount Price

HUL Pureit Copper With multiple purification technologies, this product filters water with RO, UF, and TDS control methods. These remove dissolved contaminants and certain viruses to make water completely pure and safe to drink. The TDS control system enables level adjustment in filtered water while retaining natural minerals.  It has a storage capacity of 8 liters higher than that of the Eureka and Blue star purifiers. In said storage tank, UV LEDs keep purified water clean for longer. Its design is suitable for large household use. A water level indicator is present to keep track of the cleansed water in the storage tank.
The power consumption is 55 watts, and it comes with a 1-year warranty.
 Pros
  • Contains water level, filtration change, and low-pressure indicator.
  • Uses UV LEDs.
  • Auto shut off.
  • Dual dispensing.
  • Free installation.
Cons
  • Customer service isn’t the best.

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  1. Best User Convenience Purifier – Kent GrandCheck Discount Price

Kent Grand It can purify water with up to 2000 TDS. Kent’s multi-purification method provides a great storage capacity of 8 liters. It is a well-designed water purifier that utilizes many purifying methods, including RO, UV, UF, and TDS control, which none of the other brands, such as AO Smith Z9 Hot and Blue Star, have.  Its UV disinfection process ensures that the water is entirely safe and wholesome. The built-in TDS Controller in the water purifier helps retain essential minerals. This results in mineral-rich and pleasant drinking water. It distinguishes itself from other brands by filtering water from all sources, adding to overall user convenience. With a 1-year warranty, the unit’s electricity consumption is 60 watts.
 Pros
  • Has a water level indicator.
  • Multiple purifying methods.
  • Built-in TDS controller.
Cons
  • No pre-filter.

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  1. Best Durable Purifier – Eureka Forbes AquasureCheck Discount Price

Eureka Forbes Aquasure Every drop of water coming out of this purifier is as healthy and safe as water that has been boiled for 20 minutes, thanks to UV-C purification. The taste adjustment controller (MDTS) allows you to change the taste of your water based on the source. The cleaner can be placed on the wall or stored on the counter.  It has a large storage capacity of 7 liters which is more than that of Blue Star Excella’s. Ordinary water purifiers waste 50-75% of the water they purify. In contrast, with the Aquasure water purifier, you can save up to 60% of water. The model’s power consumption is 30 watts. And it’s accompanied by a 1-year warranty.
 Pros 
  • UV purification.
  • Smart LED indicators.
  • Auto Start and shut.
Cons
  • Lacks TDS controller.
  • Lacks hot or cold dispensers.
  • No child lock.

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  1. Best Easy to Install Purifier – Eureka Forbes Aquaguard AuraCheck Discount Price

Eureka Forbes Aquaguard Aura This appliance has a sleek and compact design. UV e-boiling technology ensures that every drop of water is healthy and safe as if you have boiled water for roughly 20 minutes. In addition, water travels through eight stages of filtration in this purifier. It has a 7-liter water storage capacity, which happens to be less than Kent, Hul Pureit, and AO Smith.  Copper goodness is provided by active copper technology in water. The built-in TDS Controller in the water purifier aids in the retention of vital natural minerals, resulting in mineral-rich and enjoyable drinking water. Its unique mineral guard technology helps you keep essential minerals in your water for an energy boost. The electricity usage is 20 watts, with a 1-year warranty.
 Pros
  • UV boiling technology.
  • Active copper technology.
  • Mineral guard technology.
  • Attractive design.
  • Easy installation.
Cons
  • Lacks TDS controller.

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  1. Best for Water Conservation – HUL Pureit Eco Water Saver – Check Discount Price

HUL Pureit Eco Water Saver With a 10-liter capacity, this water purifier has a 7-stage filtration system that ensures clean water for the entire household. The manufacturer even offers free installation. This unit adds essential minerals to water, making it safe and delicious to drink.  It’s made to work with several water sources, including borewell, tanker, and tap. The electricity usage is 36watts. This water purifier is considered another reliable water-saving RO on the market for large households, with a recovery rate of up to 60%. It can help you save up to 80 glasses of water per day. Its electricity consumption is 55 watts.
 Pros
  • High capacity.
  • Free installation.
  • Helps conserve water.
  • Adds essential minerals.
Cons
  • No child lock.

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  1. Best Budget-Friendly Water Purifier – Blue Star Aristo – Check Discount Price

Blue Star Aristo With its triple-layered RO, UV, and UF protection, this is the most cost-effective water purifier you can find. This appliance has an aqua taste booster, triple-layered protection, and a variety of indicators to ensure that everyone has access to clean drinking water.  It has a high capacity of 7 liters for purification, more than Blue Star Excella. It also features a full tank indicator to avoid water wastage. The company provides its installation free of cost. Its electricity consumption is 36 watts.
 Pros
  • Triple-Layered protection.
  • Tank full indicator.
  • Free Installation.
  • Copper impregnated activated carbon.
  • Inexpensive.
  • Auto start and off.
Cons
  • Lacks TDS controller.
  • No detachable storage tank.
  • Lacks cold or hot water dispensers.

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  1. Best Large Storage Purifier – AO Smith Z9 Hot – Check Discount Price

AO Smith Z9 Hot With its 10-liter capacity and 8-step purification system, this model beats brands like Kent, Blue Star, and Hul Pureit. It can be utilized to purify water with a TDS of 2000 ppm. This cleaner has an 8-step purification system to guarantee clean and natural water for the entire household. It has a dual filter for double protection, providing excellent water quality. Take note; 100% of the water passes through the RO Membrane and is treated twice by SCMT.  You may save 9000 liters of water per year by using this unit’s advanced recovery technology. This water-saving feature distinguishes it from Kent, Eureka, and Blue Star. Essential minerals in the water, such as calcium and magnesium, are replaced via mineralizer technology. This guarantees better taste, and the pH is regulated, all of which are essential for healthy drinking water. Its electricity usage is 36watts. This is the only RO in India that offers filtered hot water with added minerals at two temperatures: 45°C and 80°C.
Pros
  • High capacity.
  • 8 steps of purification.
  • Offers filtered hot water.
Cons
  • Can be a bit expensive.
  • Lacks TDS controller.

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  1. Most Compact Purifier – Blue Star Excella – Check Discount Price

Blue Star Excella   This offering also offers triple-layered RO, UV, and UF protection, ensuring that the water you consume is entirely safe and free of contaminants. Activated carbon has antibacterial characteristics and removes odor and volatile organic compounds from drinking water.  Despite all the health-centric pros, keep in mind that this purifier has a smaller capacity of 6 liters than other brands like Kent, Hul Pureit, and AO Smith. The advantage is that such a small purifier can be hung on the wall or placed on a counter to make the most of your kitchen spade. Electricity usage is 48 watts.
 Pros
  • Triple-layer purification.
  • Compact and easy to handle.
  • Contains active carbon.
Cons
  • Comparatively small capacity.
  • No child lock.
  • Lacks TDS controller.

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The Most Popular Water Purifier Brands in India

  • KENT

  • Aquaguard

  • HUL Pureit

  • AO Smith

  • Eureka Forbes AquaSure

  • Blue Star 

Buying Guide: What to Look for When Buying a Water Purifier?

Before you buy a water purifier, there are a few things you should know to help you make an informed buying decision. Please read our Best Water Purifiers Buying Guide!

TDS level of your tap water

The very first thing you should do before buying a water purifier is to get your water checked for impurities, hardness, and TDS. TDS stands for total dissolved solids. After finding out your water quality, you can easily decide which water purifier can suit you best. Take note; not every purifier is able to handle high TDS levels.

RO Purification Technology

According to your water type and quality, you can look for a suitable purification technology. Certain models come with purification technology using 7 or 8 steps.

Filtration Capacity

For this factor, you should decide on how much water is consumed in your household in a day so that you can search for a water purifier accordingly. Large households should opt for water purifiers with at least 8-liters of storage.

Durability & Materials

Water purifiers usually come with storage tanks made of food-grade plastic or stainless steel. Purified water might catch bacteria or germs in a plastic water purifier. Stainless-steel storage tanks provide more extended periods of protection against the growth of bacteria and germs than plastic storage tanks.

Filters 

Always choose high-quality and reliable filters. The health of your household is at risk. So, don’t risk your family’s health by opting for a purifier with a low-quality filter.

Warranty and Price

Look for a purifier that is affordable and has a reasonable warranty period. An extended warranty for your product protects your investment. When selecting a model, seek a long-term warranty. Many purifiers come with at least a 1-year of warranty.

Cleaning & Maintenance

Always look for a water purifier that is easy to install and manage, and clean. Sanitization is necessary to obtain optimum results from your water purifier. Some brands offer free services to ensure your water purifier continues to function as long as possible.

TDS Controller

TDS controller is an essential feature to look for in a water purifier to regulate and monitor the TDS of the water.

Water-Saving features

The water purifier must have a water-saving feature because RO purifiers can waste a lot of water. So do look for a storage tank to save your water. Hul Pureit and Eureka have units that help save water.

How Do the Reverse Osmosis Water Purifiers Work?

RO water purifier uses a semi-permeable membrane to filter water. The water is pumped through the RO membrane by a water pump, which pressurizes the hard water to pass through. During this procedure, the dissolved metals and solids like arsenic, fluoride, lead, chlorine, nitrates, and sulfates are captured and stuck to the RO membrane, filtering out the water and leaving the impurities behind.

The Water Purification Process and Key Terms Explained

Sediment Filter

Sediment filters trap and eliminate impurities from water like dirt, sand, and other solid particles. 

Activated Carbon Pre-Filter

An activated carbon filter eliminates gasses, chemical vapors, and odor compounds through filtration. It is usually used in air purifiers to absorb pollutants to breathe fresh, clean air.

RO Membrane

Reverse osmosis is like a filter that drives all water particles through a very tiny semi-permeable membrane. By forcing water through this semi-permeable membrane, all particles too large to follow the water’s path are filtered out.

UV Filter

UV filters are substances that soak in or prevent UV radiation. 

UF Membrane

It is a type of membrane filtration in which water is pressed against a semipermeable membrane by hydrostatic pressure. 

TDS Controller

A TDS controller is a device used to monitor the TDS of the water.

Mineralizer

When water is purified, the minerals are also removed along with the impurities which influence the flavor of the water. To restore the taste, purifier companies add a mineralizer cartridge to the appliance.

Carbon Post Filter

After purifying the water with the RO and UV purification stages, a layer of carbon filter, known as the Post-RO Carbon filter, is added. This filter is commonly used at the end of the water purification process. It aids in improving the water’s quality and functions as a polisher, making pure water taste even better.

SCMT

Silver Charged Membrane Technology is a secondary purification stage that effectively eliminates most pollutants and germs after RO purification. This technology outperforms UF, MF, and UV.  

Storage Tank

Storage tanks are containers that hold purified water filtered by a filtration system so you can utilize it according to your needs.

Installation of the RO Water Purifier

Here’s what goes into installing a RO Water Purifier:
  • To install the RO Water cleaner, clean the area where you want to install it.
  • Turn off the cold-water supply faucet. The water supply to the house must be switched off if the existing cold-water valve is inoperable. 
  • Drill a 5/16 diameter hole through the wall of the pipe at a location about six inches above the trap to connect the drain line connection to cold water. 
  • The drain clamp should then be attached, with the hole in the clamp aligned with the hole in the pipe. Align the holes while tightening the clamp.
  • The faucet base must have enough flat space to allow the base nut to be securely tightened. 
  • After the hole in the sink has been bored, the faucet stem can be put into the hole. Position the faucet appropriately and tighten the lock washer and nut on the faucet stem. 
  • Finally, attach a 1/4″ tube to the bottom of the faucet stem and tighten it.

Cleaning & Maintenance of RO Water Purifiers

  For optimal performance, it is necessary to maintain your RO water purifiers. Regular cleaning will keep the water pure and considerably decrease the chances of malfunction. Some significant aspects to follow regarding cleaning and maintenance are mentioned below:
  • It would help if you replaced all filters once a year.
  • Ensure that the pipes are cleaned and sanitized every two years.
  • You should purchase replacement parts when necessary.
  • The RO membranes should be replaced once a year.
  • Monitor the pressure nozzle frequently.
  • Look out for leakages or drips in the pipes.
  • Clean and sanitize the water storage tanks.

Frequently Asked Questions (FAQs) – Water Purifiers

How To Know Which Type of Water Purifier You Need?

To find out what kind of water purifier you need, you should get your tap water checked for impurities. You should also find out the daily consumption of water and storage capacity in your house. Safety and maintenance should also be taken into consideration. After this, you can easily find a suitable water purifier to satisfy your requirements.

How Can I Check My Home Water TDS?

You can quickly check the TDS of your water at home by a digital TDS meter or a filter paper and a scaling machine. Simply take a sample of your water with the help of a pipette and let it filter through the filter paper. Weigh the particles left behind on the filter paper with the scaling machine to find out the TDS of your water.

What Is a Good PPM For Water?

Water with a low TDS level of around 50 to 150 is considered suitable for your health. A low TDS level indicates that the water is of excellent quality, although it may be tasteless due to the lack of minerals. 

What Is The PPM Of Pure Water?

The ppm of pure water should be around zero or less. Average tap water has a ppm of 180–320

Is RO Water Better Or UV For Health?

RO purifiers are the finest appliances for water purification. RO water is better for your health as it eliminates all impurifications. But there is a catch. It strips the essential minerals and salts out of the water, which could be harmful in the long term. RO is also more effective than UV purifiers as they contain multiple filtration stages. UV purifiers, on the other hand, are the most cost-effective option for individuals on a tight budget. They have the advantage of destroying all dangerous bacteria found in water, even though they do not eliminate them. 

Conclusion

We highly recommend having a water filtration system in your home to ensure access to clean and safe water all day long. While we have highlighted 9 of the best water purifiers you should know about, if we were to choose a brand, we would recommend Kent, specifically the Kent Grand+. This is because Kent has a variety of excellent, budget-friendly solutions for purifying your water to guard you and your loved ones from pollutants in your house. Their multi-process water filtration systems eliminate the harmful impurities while leaving the beneficial minerals behind.  But, of course, feel free to re-read the review list again to really determine which water purifier will work best for your budget and household’s daily drinking needs.

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