RO vs UV: Which Water Purifier Should You Buy?

Water purifiers help make drinking water safe and clean. RO purifiers remove salts, chemicals, and heavy metals, making them ideal for hard or borewell water. UV purifiers kill germs but don’t remove dissolved impurities, so they work well for already clean water, like municipal supply. Choose the purifier based on your water type.

Water Purifier
Water Purifier

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A water purifier is an important home solution that helps remove harmful substances from water, making it safe to drink. Clean drinking water is necessary for good health, and using a water purifier ensures you and your family avoid waterborne diseases. When choosing a water purifier, two common types are RO and UV, each with different features and benefits. Understanding these can help you pick the right one for your home.

RO (Reverse Osmosis) purifiers use a special membrane to remove dissolved salts, heavy metals, chemicals, and other impurities from water. This makes them ideal for hard water or water from borewells and tankers, which often have higher levels of contamination. RO purifiers also improve the taste of water by removing unwanted substances. They tend to use more electricity and need regular filter changes, but are durable and effective for tough water conditions.

UV (Ultraviolet) purifiers use UV light to kill bacteria, viruses, and other germs in the water. They do not remove dissolved solids like salts or chemicals, but are great for water that is already clean, such as municipal or tap water. UV purifiers use less power and require less maintenance compared to RO systems, making them cost-effective and reliable for many homes.

Many water purifiers now come with features like filter life indicators, automatic shut-off, and app controls to make maintenance easier. Choosing between RO and UV depends on your water quality, budget, and needs, and you can get it from the home solutions and electronics category. Durability and proper servicing are also important to ensure your purifier works well for years. By understanding the differences, you can pick the best water purifier that fits your home and keeps your family healthy.

Which Water Purifier is Best for Your Water Quality: RO or UV? 

Choosing between RO and UV depends on your water quality. If your water has salts or chemicals, go for RO. If the water is mostly clean, UV is enough. Pick the one that best fits your home needs and keeps your family safe.

Top Five Products

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    Urban Company Native M2 Water Purifier

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    The Urban Company Native M2 Water Purifier is a 10-stage RO+UV+Copper+Alkaline system that gives clean and healthy drinking water. It works for all types of water sources like tanker, borewell, tap, and municipal water. It has an in-tank UV light that keeps killing germs and bacteria 24/7, so the water stays safe. This purifier also adds essential minerals and keeps the water alkaline and copper-rich, which is good for health. It comes with an 8-liter food-grade tank that stores water safely and is perfect for home or office use. It has smart IoT features, so you can manage everything from the Urban Company app. Compared to UV water purifiers, RO systems may use more power, but they remove more impurities. RO water purifiers also help manage TDS levels to make water clean and safe to drink.

    Specifications 

    • Brand: ‎Native by UC
    • Special Feature: ‎Needs no service for 2 years & IoT smart features
    • Product Dimensions: ‎33.5L x 25.2W x 62.2H Centimeters
    • Package Information: ‎Dispenser
    • Installation Type: ‎Wall Mount
    • Power Source: ‎Corded Electric
    • Item Weight: 8.5 Kilograms
    • Model Name: ‎Native M2
    • Maximum Flow Rate: ‎20 Liters Per Hour
    • Manufacturer: ‎Urbanclap Technologies India Pvt. Ltd., Native by UC

    Pros:

    • The quality of the water purifier is perfect 
    • Easy to install 
    • Water quality is perfect 
    • Sleek design 
    • Value for money 
    • The water tastes good 

    Cons: 

    • No cons available 
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    Havells AQUAS Water Purifier (White and Blue), RO+UF, Copper+Zinc+Minerals, 5 stage Purification

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    The Havells AQUAS Water Purifier gives clean and healthy drinking water with 7-stage purification, including RO, UF, Active Carbon Filter, and Mineral Enhancer. It adds copper, zinc, and essential minerals to the water, making it tasty and healthy. All the water passes through the RO membrane and then UF to remove viruses, chemicals, and germs, making it completely safe to drink. The purifier also balances pH levels and improves taste by removing organic waste and harmful gases. It protects itself from voltage spikes and can be placed on a tabletop, corner, or straight wall with its 3-way mounting design. It works well with all water sources like borewell, tanker, and municipal water. 

    Specifications 

    • Product Dimensions: 38.2L x 27.3W x 49H Centimeters
    • Package Information: Dispenser
    • Installation Type: ‎Wall Mount
    • Power Source: Corded Electric
    • Item Weight: ‎8000 Grams
    • Model Name: ‎Aquas
    • Maximum Flow Rate: ‎15 Liters Per Hour
    • Importer: N.A.
    • Item Weight: 8 kg
    • Net Quantity: 1 Count

    Pros:

    • 7L Tank
    • 5-stage Purification
    •  Clean & Large Tank
    • Patented 3-way mounting

    Cons: 

    • No cons available 
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    Aquaguard Delight Aquasaver RO+UV+UF+MC Tech | 2-year filter life

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    The Aquaguard Delight Aquasaver RO+UV+UF+MC Tech Water Purifier gives clean and safe drinking water with 9-stage purification. It uses RO, UV, and UF to remove dust, dirt, chemicals, pesticides, and even microplastics. The UV e-boiling feature makes water as pure as boiling it for 20 minutes, and the Ultra Filtration clears out fine particles for crystal clear water. The Aquasaver Mineralizer Technology gives 60% higher water recovery, saving more water compared to older RO systems. It also adds important minerals like calcium and magnesium to make the water healthier and better tasting. The Mega Sediment Filter removes dust and mud before they reach the main filter, helping the purifier last longer. It comes with 2 years of filter life, 2 free cleaning services, and smart LED indicators that show when the tank is full, when filters need to be changed, or if there's an error. 

    Specifications 

    • Brand: Aquaguard
    • Special Feature: ‎Change Filter Indicator, Double Life Filters, Automatic Shut-Off
    • Product Dimensions: ‎32L x 27W x 48H Centimeters
    • Installation Type: ‎Wall Mount
    • Power Source: Corded Electric
    • Item Weight: ‎7 Kilograms
    • Model Name: ‎Aquaguard Sure Delight RO+UV+UF+AS+MC 2X
    • Lower Temperature Rating: ‎10 Degrees Celsius
    • Maximum Flow Rate: ‎20 Liters Per Hour
    • Operating Pressure Range: ‎Up to 3 bar 

    Pros:

    • Aquasaver Mineralizer Technology
    • Superior 9-Stage Purification
    • Works with All Water Sources
    • LED Indication
    • NanoPore Filter Technology

    Cons: 

    • No cons available 
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    Pureit Wave Prime Mineral RO+MF | 6 stage Purification

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    The Pureit Wave Prime Mineral RO+MF Water Purifier gives safe and healthy drinking water with 6-stage purification and is WQA tested for family safety. It has a mineral enhancer cartridge that adds essential minerals like calcium and magnesium, giving you 100% RO water without mixing unfiltered water. It works with all types of water sources like borewell, tanker, and tap water. The internal sediment filter (iSF) lasts 2 times longer than normal filters, and the purifier has a long filter life of up to 6000 litres. The Smartsense indicators alert you 15 days before the filter expires and will stop water if the filter is not changed, making sure you always get clean and mineral-rich RO water. It has a 7-litre storage tank, high-speed purification of up to 20 litres per hour, and saves up to 45% more water. The design is wall mountable, made with 100% food-grade plastic, and comes in a premium black look. 

    Specifications 

    • Product Dimensions: 27.4L x 32.5W x 38H Centimeters
    • Package Information: ‎Dispenser
    • Installation Type: ‎Wall Mount
    • Power Source: Corded Electric
    • Model Name: ‎Wave Series
    • Maximum Flow Rate: 2E+1 Liters Per Hour
    • Upper Temperature Rating: ‎4E+1 Degrees Celsius
    • Manufacturer: ‎Ronch Polymers Pvt Ltd., 1800-570-1000
    • Manufacture Year: ‎2025
    • Manufacturer: Ronch Polymers Pvt Ltd.

    Pros:

    • Product quality is perfect 
    • Easy to install 
    • Affordable
    • Stunning design  

    Cons: 

    • The water leakage problem is occurring 
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    Native by UC Urban Company M1 Water Purifier

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    The Native by UC Urban Company M1 Water Purifier gives clean and safe drinking water with 10-stage purification, including RO, UV, Copper, and Alkaline filters. It has an in-tank UV light that works 24/7 to kill germs, bacteria, and viruses, making sure the water stays pure and safe. The purifier adds essential minerals and keeps the water alkaline, making it healthy for daily use. It has an 8-liter food-grade tank that stores mineral-rich water, safe from harmful chemicals, and is suitable for both home and office use. It works well with all water sources like borewell, tanker, tap, and municipal water. The purifier is US FDA certified for 99.99% pure water. 

    Specifications 

    • Brand: Native by UC
    • Special Feature: ‎Needs no service for 2 years
    • Product Dimensions: ‎33.5L x 25.2W x 62.2H Centimeters
    • Package Information: ‎Dispenser
    • Installation Type: ‎Wall Mount
    • Power Source: Corded Electric
    • Item Weight: ‎8.6 Kilograms
    • Model Name: Native M1
    • Colour: White
    • Number of Memory Sticks: ‎1

    Pros:

    • Strong build quality 
    • 10-stage Purifier 
    • UV light in the tank
    • 8-liter storage

    Cons: 

    • No cons available 
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Factors to Consider When Choosing a Water Purifier? 

Choosing the right water purifier is important to keep your drinking water safe and healthy. There are a few simple things you should check before buying one for your home.

Key Features: 

  • Water Source: Know if your water comes from a borewell, tanker, or municipal supply. RO is better for hard or salty water, and UV works well for cleaner water.
  • TDS Level: Test the TDS (Total Dissolved Solids) in your water. If it’s above 200 ppm, go for an RO purifier.
  • Purification Technology: Choose between RO, UV, UF, or a combination based on the impurities in your water.
  • Storage Capacity: Check the tank size. A 7–10L tank is good for most families to ensure water is always available.
  • Maintenance & Service: Go for brands with good after-sales service. Some models offer 1–2 years of free service and filter replacements.
  • Power Consumption: UV purifiers use less electricity than RO. If saving power is important, this can help with your decision.
  • Filter Life: Choose a purifier with long-lasting filters and filter change alerts for easy maintenance.
  • Budget: Pick a purifier that fits your budget but still meets your water safety needs.
  • Build Quality: Make sure the purifier is made of food-grade plastic and is durable for long use.

By checking your water source, TDS level, and daily needs, you can choose the right water purifier for your home. A good purifier is a simple and smart home solution to keep your family healthy.

Read More: Aquaguard Water Purifier Latest Models In 2025

Disclaimer: At HerZindagi, we prioritize providing the up-to-date information on the latest trending commodities and goods. This Article is written and vetted by our in-house category authors in sync with the Google guidelines on product reviews and shoppable content. HerZindagi is in an associate partnership, so we may earn a part of the revenue when you make a purchase. We shall not be liable for any claim under applicable laws, including but not limited to the Consumer Protection Act, 2019, concerning the products. The products listed in this article are in no particular order of priority.

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Faq's

  • RO vs UV: Which water purifier should we rely on?
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    If your water has high TDS (like salts or hardness), or comes from a borewell or tanker, go for an RO purifier. If your water is from a treated source like a municipal supply and has low TDS, a UV purifier is enough to kill germs.
  • How can we choose the right water purifier for my home?
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    First, test your water TDS level. If it’s above 200 ppm, you need an RO purifier. If it’s below that and the water is mostly clean, a UV purifier works. For mixed or unclear sources, choose a RO+UV purifier.
  • What’s the difference in power use between RO and UV purifiers?
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    RO purifiers use more electricity because they run a water pump and waste some water. UV purifiers use less power and don’t waste water, but they only kill germs and don’t remove dissolved impurities.