Top 10 Best UV Water Purifier in India 2020 - Buying guide

Water is an essential gift from nature to humans. It is the life of all living creatures. The UV water purifier is capable of destroying almost 99.99% of harmful microorganisms from water. It doesn’t add any toxic chemicals and doesn’t change the taste and odor of the water. Here we will give you a list of the top 10 best UV water Purifier in India and its review and buying guide.

Top 10 Best UV Water Purifier in India

In many areas, our drinking water is contaminated by bacteria, and it is not safe to drink tap water. A UV water purifier not only gives you clean drinking water but also disinfects it by implementing the germicidal UV (Ultra Violet rays).

We highly recommend you to read our Water purifier Buying Guide at the end of this article. It will give you in-depth details of features, specifications, technologies used in the water purifier. 

Top 5 Best UV water purifier above 10000

1. HUL Pureit Copper+ Mineral RO + UV + MF 7 stage water purifier

  • Model – Copper+Mineral RO+UV+MF (Hindustan Unilever Ltd)
  • Capacity – 8 Liter Tank Capacity
  • Color – Black/Copper
  • Product Dimensions: 36.1 x 35 x 44.7 cm, 9.5 KG
  • Input Water Temperature – 10˚ to 40˚C
  • Technology – RO and UV purification, Copper Charge Technology
  • Alignment – Wall Mount or can place on Table.
  • Warranty – 1 Year

Special Features

‣ This Hindustan Unilever Ltd Pureit RO water purifier comes with a Copper Charge Technology, which enriches water with the goodness of copper. It combines the property of Copper+ RO+UV+MF along with advanced 7-stage water purification. There is the electrochemical dissolution of copper in water, which charges RO water with 99.8% pure copper in real-time just before dispensing. Cooper boosts immunity, improves digestion, helps fight obesity, and many more.

‣ The biggest headache with the copper vessel is its oxidation and discoloration. Pureit Copper+ RO comes with an advanced feature that automatically cleans the copper and gives fresh copper-rich water.

‣ Dual Water Dispensing –

 It comes with two soft-touch buttons, one for dispensing Copper Charged RO water while the other dispensing normal RO water. The touch button will work only when there is electricity. You can also connect it to your home inverter. Here you can also install a manual tap to dispense RO water even without electricity.  

‣ This water purifier comes with seven different layers of purification. The water first passes through sediment filters to remove any impurities from water. Later it passes through a carbon filter to remove any foul odor and then passes through the mesh filter. The clean water then passes through the RO and UV chamber and is then charged with copper. This process adds mineral properties to water and makes it safer and healthier to drink. 

‣ The filter change alert system will alert you 15 days in advance before you need to change the Germ kill Kit. It will auto shut-off the water purifier if the filter is not changed within time to ensure 100% purity of the water.

‣ It comes with a big 8-liters water storage tank along with a high purification capacity of up to 28 liters per hour. Its shiny black color and strikingly attractive copper shade around the dispensing area give it an ultra-modern look & feel. The color-changing LED indicators to provide a stunning look and inform you about filter change, a tank full. 

Purit Water purifier

Pros -

  • 7 Stage RO+UV+MF Purification
  • Purifies Water with Goodness of Copper
  • Dual Water Dispensing
  • 8-litres Storage Tank
  • Premium design
  • Best UV water purifier in India

Cons -

    • Bit Expensive
    • No Copper RO Water in case of power failure

2. HUL Pureit Eco Water Saver Mineral RO+UV+MF Water Purifier

  • Model – HUL Eco Water Saver
  • Capacity – 10 Liters
  • Color – Black
  • Product Dimensions – 36 x 29.4 x 48.8 cm; 10.5 KG
  • Input Water Temperature – 10˚ to 40˚C
  • Technology – RO + UV + MF with TDS controller, RO purifier with Eco Recovery Technology
  • Special Features – It can treat multiple sources of water Borewell, Tanker, or Tap water. It will work fine for TDS up to 2000 ppm. Eco Water Saver saves upto 80 glasses of water daily compared to ordinary RO’s. The advanced 7 stage purification with RO, UV, and MF removes harmful viruses, bacteria, heavy metals, and pesticides. Also, it makes mineral enriches water with Calcium and Magnesium. It gives 100% safe water without harmful bacteria and viruses. It warns you 15 days before the expiry of the Germ kill kit.
  • Pros – Made from Food grade engineered plastic, Free installation by brand, Highest water-saving RO, Best UV water purifier in India
  • Cons – Need high Maintenance.
  • Warranty – 1 Year

3. Havells Max 7 liters RO Best UV Water Purifier in India

  • Model – Havells Max
  • Capacity – 7 Liter Tank Capacity
  • Flow rate – 15 liters per hour
  • Color – Sea Green
  • Product Dimensions: 27.3 x 38.2 x 49 cm, 10.4 KG
  • Technology – RO and UV purification
  • Alignment – Wall Mount or can place on Table.
  • Warranty – 1 Year

Special Features

‣ Havells Max RO+UV provides additional purification with Revitalize Cartridge. It gives seven stages of purification using Sediment Cartridge, Activated Carbon Cartridge, RO Membrane, Germicidal UV, Minerals Cartridge, Silver Impregnated Taste Enhancer, and Revitalize Cartridge. Which not only purifies water but also makes it healthier by restructuring the water molecules. 

‣ Minerals Cartridge adds essential natural minerals and salts to balance the pH level of purified water. While the Revitalize Cartridge makes the purified water biologically active. It improves the hydration capacity of water and enhances the minerals present in water, so our body better absorbs it.

‣ You can easily mount on the tabletop, straight wall, or in the corner of the kitchen. It comes in a vibrant dual-tone combination of white and aqua green, which gives your kitchen a premium look.

‣ It comes with a unique soft-touch faucet design that ensures zero splashes, zero contamination and provides smooth flow.

‣ Advance Alerts system automatically alerts for self-diagnostic, purification process, a tank full, low water pressure, and error alerts for UV, SV, and pump failure. Error Indications give indications if any critical component malfunctions. At the same time, the Purification Process Indicator Glows when the purification process is on. 

‣ It works well in a wide range of voltage fluctuations of 170 V – 330 V. The water storage tank is contamination proof and easily removable.

Note – To purify every liter of water, it will throw 650 ml of water out by the machine; you can store that water in a container and use it to clean utensils and wash clothes.

Pros -

  • 100% Water Passes Through RO & UV
  • Zero Splash Faucet
  • Balances PH level and adds natural minerals
  • Advanced Alert System and also Removable Tank
  • Space-saving design, you can mount it in a corner.
  • Best UV water purifier in India with 7 stage filtration.

Cons -

    • Lots of water wastage due RO purification but you can store them to wash clothes and utensils

4. Livpure Zinger Smart 6.5 litres RO + UV + UF Best Water Purifier

  • Model – Liv-Zinger-Smart
  • Capacity – 6.5 Liters
  • Color – Maroon
  • Product Dimensions – 34.5 x 24 x 49.5 cm, 8.1 KG
  • Input Water Temperature – 10˚ to 40˚C
  • Technology – RO + UV + UF + Mineralizer + Copper
  • Purification Cartridges – 7 Stages of Water Purification (Super Sediment Filter, Carbon Block Filter, Reverse Osmosis (RO) Membrane, Mineral Cartridge, Ultra Filtration Cartridge, Copper 29 Cartridge, In-Tank UV Sterilization)
  • Special Features – It can treat multiple sources of water Borewell, Tanker, or Tap water. It works fine for TDS up to 2000 ppm. Manual Dispensing, Auto Flushing, Water leakage sensing, System Initializing, High Brightness LED display to indicate, Filter Life indication, Smart Mobile Connectivity thru GPRS, Mobile App for information, Filter life Indicator, Total Daily Water Consumption Information, Service Call Log.
  • Pros – Free installation by brand, Highest water-saving RO, Best UV water purifier in India, Add a property of copper into the water, Mobile App connectivity
  • Cons – Need high Maintenance.
  • Warranty – 1 Year

5. Kent Pearl 8-Litre Mineral RO+UV+UF Best Water Purifier

  • Model – Kent Pearl
  • Capacity – 8 Liters (detachable tank)
  • Color – White & Blue
  • Product Dimensions – 38 x 33 x 46.5 cm; 12.27 KG
  • Technology – RO + UV + UF with TDS controller, Zero Water Wastage Technology,
  • Hi Flo Rate – 20 Liters Per Hour
  • Special Features – It gives computer controlled operation with filter change alarm & UV fail alarm. You will get Leak proof performance, and it is suitable for water from all sources such as bore-wells, overhead storage tanks, water tankers, and even municipal taps. It even removes dissolved impurities such as arsenic, rust, pesticides, and fluorides. It also kills bacteria and viruses to make water potable. It’s zero water wastage technology re-circulates the rejected water to the overhead tank using its pump, leading to no water wastage.
  • Pros – Maximum Duty Cycle 100L/Day, UV Lamp Wattage of 11 Watt, Made from ABS Food Grade Plastic, Zero Water Wastage Technology, Retains Essential Minerals, Detachable Tank of 8 Liter
  • Cons – It doesn’t work on low water pressure.
  • Warranty – 1 Year

Top 5 Best UV water purifier under 10000

6. Eureka Forbes AquaSure Amaze RO+UV+MTDS Best UV Water Purifier

  • Model – AquaSure Amaze RO+UV+MTDS
  • Capacity – 7 Liter Tank Capacity
  • Color – Grey
  • Product Dimensions: 23.8 x 30 x 43 cm, 7.9 KG
  • Input Water Temperature – 10˚ to 40˚C
  • Technology – Advanced RO+UV+MTDS purification
  • Alignment – Wall Mount or can place on Table.
  • Warranty – 1 Year

Special Features

‣ This Eureka Forbes Aqua Sure water purifier comes with an advanced TDS regulator (MTDS). You can easily adjust TDS levels in the water manually to ensure you get healthy, safe, and tasty drinking water. You can use it for water with TDS levels (200-2000).

‣ It comes with multi-stage purification technology, including RO+UV+MTDS. You can rest assured that the water is 100% safe to drink for you and your family. This purifier can purify 6000 liters of water with the cartridge. Also, it has smart LED indicators to indicate about tank full, Power On, Purification On. It will quickly notify when to replace the cartridge.

 This water purifier made from Food Grade Plastic, and its sleek and compact design gives a premium look to your kitchen. You can mount it on the wall as well as place it on your tabletop. The energy saving mode will automatically switch off the power supply once the tank is full.

‣ Note: For every liter of water purified, 650 ml of water is thrown out by the machine. It is encouraged to save the water in a container and later use it to clean utensils and wash clothes.

Pros -

  • Free installation by Eureka Forbes
  • Long lasting cartridge with Sleek as well as compact design
  • Its Energy saving mode saves more energy.
  • Multi stage purification

Cons -

  • Water wastage 1:2 ratio if TDS is high

Eureka Forbes AquaSure from Aquaguard Delight

The same Eureka Forbes AquaSure water purifier comes in white color. If you like the white color variant, then you can check this water purifier. It also has multi-stage filtration, but it will cost you an extra 1k-2k rupees. It has an additional UF filtration along with RO+UV and MTDS filtration.

Eureka Forbes Aquasure Wall Mount 120 L/hr Best UV Water Purifier

  • Model – Aquasure Aqua flow DX
  • Capacity – 120 Litre perfect for big families.
  • Colour – White/Grey
  • Product Dimensions – 44 x 25 x 18 cm, 2.9KG
  • Input Water Temperature – 10 – 40°C
  • Technology – Superior UV Purification, Can filter water TDS (Up to 200)
  • Special Features – 3 stage UV water purifier with advanced technology that kills harmful bacteria & viruses. It is an electric water purifier with a dual cartridge, giving pure water for a longer time. Its Smart indicators keep you updated on the status of the UV bulb and cartridge.
  • Warranty – 1 Year
  • Country of Origin – India
  • Pros – No Storage Capacity gives up to 2 Liter pure water per minute, Works fine on high voltage fluctuations, and free installation by the Eureka Forbes. It offers odorless and crystal clear drinking water.
  • Cons – Short inbuilt Outlet pipe

7. HUL Pureit Marvella Table Top/Wall Mount Best UV Water Purifier

  • Model – Marvella UV
  • Capacity – Stores up to 4 Liter of pure water
  • Color – White/Black
  • Product Dimensions – 26 x 32.1 x 47.25 cm; 4.57 KG
  • Input Water Temperature – 10 – 40°C
  • Warranty – 1 Year
  • Special Features – Advance Alert System warns 15 days before your purifier stops working, Its auto Shut off stops water flow when the life of Germ Kill Kit expires, Removes 1 crore viruses and 10 crore bacteria in every liter of water, UV chamber uses high-intensity 11 watts UV lamps to generate Ultra Violet rays to treat the water and destroy all kinds of bacteria and micro-organisms, Fully Automatic system senses if the water tank is not full, Can be used for TDS less than 200 ppm, Sediment filter separates the particles and sediments from the water later Sediment plus filter removal of any residual impurities,
  • Pros –  Low-cost maintenance, Very efficient and have power saving feature, Best UV water purifier in India
  • Cons – Average after sale support

8. V-Guard Zenora RO+UV+MB Best UV Water Purifier With 8 Stage Purification

  • Model – Zenora by V-Guard
  • Capacity – 7 Liters
  • Colour – Black / White
  • Product Dimensions – 34.5 x 20.5 x 45 cm; 9.3 Kg
  • Input Water Temperature – 10˚ to 40˚C
  • Technology – RO + UV + MB
  • Purification Cartridges – 8 Stage Advanced Purification with double layer protection of RO + UV
  • Special Features – This water purifier has 8 stages of purification which delivers pure water with the natural taste. It can treat water with TDS up to 2000 ppm, which is suitable for borewell, tanker as well as municipal water. Additionally, there is an external pre-filter to eliminate more significant impurities. Its 7-litre storage tank store pure water in case of a power cut. Its LED indicator will notify about purification, tank full and also alert you for low water pressure. It has world-class RO membrane which removes TDS, heavy metals and microbes. You can install it on the wall or place on the table. It is made in India by V guard, especially for Indian water conditions.
  • Pros – Eliminates microbes, organic and chemical impurities. Pre and Post RO treatment for longevity, natural taste and added safety. Long-lasting Filters, Smart LED indicators, Free installation with Pan India support.
  • Cons – No Cons Yet.
  • Warranty – One year warranty on Water purifier while, 2-year free replacement on two pre-filters.

AQUAULTRA A700 RO+UV+UF+TDS+Alkaline Water Purifier

  • Model – AU10UX05
  • Capacity – 17 Liter Water Storage tank.
  • Colour – White
  • Product Dimensions – 50 x 35 x 30 cm
  • Warranty – 1 Year
  • Special Features – Double Protection Ro+UV with Tds Controller, Mineralizer Maintains Essential Natural Mineral, Remove 95% to 98% TDS, 100% natural water, Fully Automated Operation, Multi Stage Purification, Gives odorless and crystal clear drinking water, An ISO 9001:2015 Reg
  • Cons – Installation is not free

Eureka Forbes Aquaguard Crystal Plus Best UV Water Purifier

  • Model – Aquaguard Crystal plus
  • Colour – White
  • Product Dimensions – 31 x 23.2 x 41.8 cm, 4.5 KG
  • Input Water Temperature – 10 to 40°C
  • Technology – Superior UV Purification, Can be used for TDS (Up to 200)
  • Hi Flo Rate – water flow rate 2 Liter / Minute
  • Warranty – 1 Year
  • Special Features – Its unique e-boiling+ technology eliminates disease-causing bacteria, viruses, and protozoa. It ensures that every drop of water is as pure and safe as water boiled for 20 minutes. The UV lamp will be automatically turn off if there is no water drawn for 10 minutes. BIOTRON technology unlocks the mineral for better absorption: free installation and excellent after sale support.
  • Cons – It doesn’t work on low water pressure.

9. KENT Maxx 7 Litres UV + UF Best Water Purifier

  • Model – Kent Maxx
  • Capacity – 7 Liters (Detachable tank)
  • Color – White & Blue
  • Product Dimensions – 39 x 28.5 x 40 cm, 6.1 KG
  • Input Water Temperature – 10 to 40°C
  • Technology – UV + UF water purification
  • Hi Flo Rate – 20 Liters Per Hour
  • Warranty – 1 Year
  • Special Features – It uses double purification first by UV, followed by hollow fiber UF membrane. It will completely filter out dead bacteria, viruses, and cysts. The transparent detachable storage tank makes it easy to clean the appliance with ease. It has a filter change and UV change alarm. It is suitable for any water source like underground water, municipal water. You will get excellent after sale support as well as free installation.
  • Cons – It doesn’t work on low water pressure.

10. Blue Star Excella 6 Ltr RO + UV Best Water Purifier

  • Model – EX4BLAM01 by Blue Star
  • Capacity – 6 Liters
  • Colour – Black
  • Product Dimensions – 24.4 x 36.2 x 42.5 cm; 8 Kg
  • Input Water Temperature – 10˚ to 40˚C
  • Technology – RO + UV
  • Purification Cartridges – 6 Stage (pre sediment filter, pre carbon filter, sediment filter, RO membrane, post carbon filter with Aqua Taste Booster (ATB)) Plus UV lamp
  • Special Features – Double layered RO+UV protection to ensure safe drinking water. RO removes dissolved impurities, microorganisms, heavy metals and radioactive matter. At the same time, the UV deactivates microorganisms such as bacteria, cysts and viruses. Its copper activated carbon has anti bacterial properties which remove the smell, odour and volatile organic compounds from water. There is Aqua Taste Booster which uses calcite media to enhance the taste of water. It also maintains the optimum pH level of water. There is an indicator to notify the tank full. This purifier will purify 285 litres per day. 
  • Pros – 6 stage water purification, Double Layered RO+UV Protection, High Purification Capacity, Copper Impregnated Activated Carbon, Superfine sediment filter to eliminate 5 microns impurities, Tank Full Indicator
  • Cons – Only 6L of tank capacity
  • Warranty – One year warranty on Water purifier

Buying Guide - Best UV Water Purifier in India

Water is an essential natural resource for all life. Our life cant sustain without water. Access to pure water is one of the most fundamental rights to anyone. Most of the diseases directly or indirectly occurred due to impure drinking water. It is always essential to install the best UV water purifier to eliminate unwanted impurities from water. It is not sufficient to install any ordinary water purifier; you should also select the right combination of filters. The source of drinking water changes with location, so the filters also need to change. Some areas have higher TDS in the water, while some have less. It is advisable to select those water purifiers that can work fine with all water sources like municipal water, groundwater, and water from mixed sources.

Things to Consider before Buying Best UV Water Purifier

A water purifier can save you and your family from life threatening waterborne diseases. These diseases are mostly caused by consuming contaminated water. UV lights are a type of device that disinfects the drinking water by implementing the germicidal UV (Ultra Violet rays). There is a lamp that releases wavelengths that can kill microbiological organisms once the water passes through it. The UV rays can terminate cysts, viruses, bacteria, and various spores present in the water. There are many factors which we should consider before buying a water purifier. Some of these essential factors are

Check the Quality of Water

In India, we have some fixed source of input water in our house. We are mainly consuming either municipal water or groundwater. 

‣ Municipal Water – The water sources from the river, lake, or municipal corporations comes in this category. They have a TDS between 1-200 PPM. For municipal water, you should buy a water purifier with at least ultraviolet and ultra filtration technology. 

‣ Ground Water – If the water is coming from Tube well or bore well, it is mainly the groundwater. The TDS level in groundwater lies between 200 to 2000 ppm. It is advisable to buy a water purifier with at least RO purification technology. It would also be best if you purchased UV + UF with RO (Reverse Osmosis) purification. 

‣ Multiple Sources – If the water in your home is coming from multiple sources like municipal, bore well, tanker, etc., the TDS level varies in the water. The TDS of this source ranges somewhere between 1 to 2000 ppm. It is advisable to use RO purification along with TDS regulator technology. The best purification system will be UV+UF+RO+TDS filtration.

What is TDS in Water?

TDS is (Total Dissolved Salts or solids) present in the water, significantly influencing the type of water purifier filter. It is measured in ppm (parts per million) and present more in groundwater, and varies from place to place. TDS changes the taste of water and can cause intestinal irritations in prolonged consumption. They may also contain harmful chemical counts. 

Please use a TDS meter to test the Water Purifier’s TDS source before buying a water purifier. Based on the TDS level of the water, you should purchase purifier with one or more of the following: UF (Ultra Filtration) Technology, UV (Ultraviolet) Technology, RO (Reverse Osmosis) Technology, EAT (Electro Adsorption Technology), a combination or a Universal Water Purifier. 

Storage and Flow Rate

Storage is one of the essential requirements while buying a water purifier. For UV water purifiers, it requires electricity to produce the water. In case of a power cut, you can’t get UV water, so you should always choose a purifier with some additional water storage. For a 4-5 members family, you should always go for a water purifier with at least 8 liters of capacity.

When it comes to water consumption, the water requirement of each household is different. You should also check for water flow rate. It is the amount of water your purifier purifies every hour. For a medium size family, you should choose at least 10-15 liter per hour flow rate.

UV Bulb Lifespan – UV water purifier uses an ultraviolet lamp to kill bacteria. Although the UV lamp lasts for a very long time, you should also check for bulb replacement cost. Sometimes you need to replace the bulb frequently every 3-4 months, while some bulbs even work fine for more than a year. 

Apart from this, you should also check for smart alarm for UV lamps. The UV lights are invisible, so it is impossible to know whether it’s time to change the lamp. If the UV lamp stopped working, then your purifier will not kill the bacteria effectively. The UV fail alarm will quickly notify you when to replace the lamp. Also, the UV bulb should automatically turn off if the purifier is not in use. This feature will enhance the lifespan of the UV bulb.

Installation, Warranty and After-Sale Support

Most of water purifier brand provides free installation. You can install them at your convenience. Some water purifier needs to be wall mounted while some you can place on the tabletop. It is always advisable to install your water purifier by a professional only. 

If you are buying water purifiers from leading brands like HavellsHUL Pureit, Kent, you will get free installation and good customer support. 

Most of the reputed brands offer a manufacturer warranty of 1 to 2 years. Also, sometimes you will get an additional warranty by paying some amount. It would be best to look for a more extended warranty as our water purifier needs frequent services.

Mode of Operation – It is always advisable to check the operating modes before buying a purifier. If your water purifier comes with an automatic mode of operation, then the UV bulb will automatically turn off if the machine is not in use. It will increase the lifespan of the UV bulb. Also, you will get the purified water with just a touch of a button. 

Technologies in Water Purification

‣ UF (Ultra Filtration) Technology – Ultra filtration is an effective means of reducing the silt density index of water. It also removes particulates that can foul reverse osmosis membranes. It is frequently used to pre-treat surface water, seawater as well as biologically treated municipal water.
These water filters can work without electricity and is certified to remove cysts from water. But it will not remove any dissolved impurities so it requires some additional levels of filters. They are not effective on bacteria and viruses for this you need UV filtration. These filters are recommended to use with water having low TDS.

‣ RO (Reverse Osmosis) Technology – It uses a partially permeable membrane to remove ions, unwanted molecules and larger particles from drinking water. It works by squeezing the water through a semi-permeable membrane, which is rated at 0.0001 microns (about 0.00000004 of an inch). This is a popular technology used to make bottled water. It is also the only technology capable of desalinating sea water, making it drinkable.

This is the most convenient and effective methods of water purification. It is effective for water with TDS rating between 200 and 2000. For groundwater, you need an RO purification system. It also reduces the hardness of water which is caused by excessive calcium & magnesium salts. 

‣ EAT Technology (Electro Adsorption Technology)

It has five advanced stages of purification to provide clean and clear water. This water purifier comes in both electric and nonelectric variants with storage tanks. It is ideal for water having TDS less than 500 ppm (parts per million). In its five stages, it removes most of the impurities from the water.

The first stage removes sand, silica, silt, dirt, and dust present in water. It uses external prefilters to remove it and also enhances the life of the water filter. In the second stage, there is a Mechanical filter to remove suspended solids and sediments. While in the third stage, there is Electro Adhesion Filter, which removes impurities that carry a negative charge. It removes disease, causing cysts, germs such as bacteria and viruses. In the fourth stage, it uses Ion exchange to remove heavy metals like lead and arsenic. The last step uses Electro Adsorption to remove harmful chemicals like chlorine, pesticides, and endotoxins.

Ultra Violet Purification Technology

It uses UV light to produce UV energy to penetrates the microorganism’s outer cell membrane. The light passes through the cell body and disrupts its DNA and preventing further reproduction. UV lights are invisible to naked eyes and doesn’t alter the water property chemically. It will not remove any dissolved organics, inorganic or particles. The best UV water purifier provides a Fast disinfection process.

How do UV Water Purifiers Work?

UV water purification is one of the most effective ways to purifier water by disinfecting viruses and bacteria. In it, the water passes through a chamber containing a UV lamp. The UV light alters the DNA of microorganisms present in the water. This light reduces their ability to reproduce again and is measured in mJ/cm². The more dose of UV light will kill more bacteria. The remaining dead microorganisms remain in the water, but they cannot harm you.

The UV water purification will work more effectively when the water is mostly clear. There must be some prefilters to remove sediments, dirt, and debris. The UV chamber should be the last chamber from where water should pass before use for drinking.

Advantages of UV Water Purifier:

  • Environment Friendly – UV water purifier is very environmentally compared to chemical disinfectants or chlorine applied in the municipality water treatment. It doesn’t use any chemicals to decontaminate and thus does not generate any chemical elements. So UV is considered as a green alternative to chlorine without any disinfection byproducts.
  • No wastage of water – UV water purifier doesn’t waste any water as like RO purification.
  • Easy to Maintain – The maintenance of a UV water purifier is very simple and easy. Only you need to replace the UV lamp once a year. In many best UV purifiers in India, you will have an alarm to replace the lamp.
  • Consumes less power – The UV lamp consumes very little power and is very economical in the long run. This purification can also work together with other purification methods like RO and UF.
  • UV purification effectively purifies water and destroys up to 99.99% of microorganisms present in the water. Compared to chlorine purifiers, UV purifier is more effective in fighting against viruses. 
  • It also doesn’t change the taste and odor of the water. The chemical structure of water remains the same as it was before; only it kills micro bacteria. 

Disadvantages of a UV Water Purifier

  • Heats the water – If the water is sitting for a long time in the UV chamber, it will heat the water. So it is better to choose the automatic UV purifier, which will stop the UV lamp in case of no use.
  • Needs pre and post filters – The UV water filter only deactivates the living microorganisms from water. It is most effective only when the water is clean, so you need a pre-filter. The pre-filters will remove the debris, muds, or any particles from the water. The particles or sediments present in the water might stop the UV wavelength from destroying the microorganisms. The UV rays can also not remove loose particles, chemicals like chlorine, TDS, volatile compounds, and toxic metals from the water. It would be great if your best UV water purifier has post-filters after the water passes the UV chamber. There are UV water purifiers that come with reverse osmosis (RO) filtration system and UV filters to give the optimum result.
  • A UV water purifier can only destroy the microorganisms but cannot remove the water’s dead bodies. Although these dead microorganisms are not harmful but you can check for post filter.
  • This purifier needs a continuous power supply. In case of power failure, the UV purifier will not work. Also, there is less storage capacity in many UV water filters, so it is advisable to connect it with an inverter battery source for continuous water supply.

FAQ - Best UV Water Purifier in India

The UV light alters the DNA of microorganism which stops its reproduction. To kill the bacteria it requires a particular amount of UV energy from the UV lamp. UV energy is calculated in millijoule per square centimeter or MJ/cm². Most of UV water purifier is rated 40 MJ/cm². You should buy a UV water purifier with at least 30 MJ/cm².

The UV purifier uses a UV lamp to deactivate the living microorganisms. It doesn’t add any external chemicals or particles into the water, and also, it doesn’t remove any. It will mainly remove Fungi, Cholera, Algae, Salmonella, Cryptosporidium, Streptococcus, and some other viruses.

UV water filtration is capable of killing bacteria and viruses. It will not add any chemicals or other odors to kill the bacteria. The standard UV filtration will destroy up to 99.99% of microorganisms that are present in water.

RO water purifier is best for groundwater where the TDS level in water is more than 200. RO water purifier will waste lots of water. It is advisable to use a RO purifier if the water has heavy pollutants or contaminants like lead, heavy metals, chlorine, and TDS. While if the water is clean, you can use standalone UV filters to kill bacteria and viruses. For better results, one should go for a RO filtration with UV capability.

Yes, it is 100% safer to drink water purified from UV filters. But it is always advisable to use additional filters that can remove heavy metals, chlorine, volatile organic compounds, TDS from the water.

TDS is the total dissolved solids like heavy metals, chlorine, volatile organic compounds, etc., present in the water. It is high in groundwater, and TDS up to 300 mg/liter is best for drinking water. Boiling the water will not reduce the TDS levels. It will only kill the microorganisms.

Generally, a UV lamp lasts for at least one year. The UV lights are invisible to naked eyes, so you can’t judge if it is working or not. In some filters, some indicators will give the idea of UV lamps. Also, choose that UV purifier, which will stop the lamp when you are not using the purifier.

Final Words - Best UV Water Purifier in India

A UV water purifier has used the properties of ultraviolet lights to kills bacteria and viruses. It will not add any harmful chemicals and doesn’t alter the taste and odor of drinking water.

A water purifier with additional UV purification will be giving the safest drinking water. The best UV water purifier in India will help you and your family from different types of water-borne diseases such as cholera, typhoid, etc., by killing bacteria and germs from the water. There are many types of UV water purifiers present in the market. We hope this article helped you to choose the best purifier for your home. If you still have any questions, please write to us in below comment box.

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Software Engineer by profession likes travelling, cooking and blogging. I am passionate about music, art, business, entrepreneurship and Start-ups. I like to blog on Technologies, Digital Marketing, Travel Blog Strategist, Home improvement, education. Select4you is an initiative to help everyone with their electronics items shopping. 

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Best UV Water Purifier in India
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Best UV Water Purifier in India
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Clean water is one of the most essential human rights. The Best UV water purifiers are capable of destroying 99.99% of harmful microorganisms from water without adding any chemicals into the water...
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Select4you
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