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RO vs UV Purifiers: Features, Performance & Top 10 Picks

RO or UV Purifier – Which One Should You Choose in 2025 for Safe Drinking Water?
RO vs UV Purifiers: Features, Performance & Top 10 Picks
Written By:
Samradni
Published on

Key Takeaways

  • RO purifiers are ideal for hard or borewell water, while UV purifiers work best with municipal soft water.

  • RO systems remove dissolved salts and metals; UV purifiers kill germs but retain water’s natural taste.

  • Top 2025 models combine RO and UV technologies, offering smarter, safer, and more efficient purification.

Clean water is vital for maintaining good health, and in India, many people rely on water purifiers to ensure their drinking water is safe. RO and UV purifiers are two popular options, each with distinct features and benefits. While they differ in performance, both types can effectively purify water. 

This article will delve into the specifics of RO and UV technology, comparing their performance and highlighting the best models to consider for purchase in 2025. By understanding the strengths of each type, you can make an informed decision for your water purification needs.

What is an RO Purifier?

RO stands for Reverse Osmosis. These purifiers use a semi-permeable membrane to filter out harmful contaminants such as dissolved salts, heavy metals, and microorganisms. RO purifiers are most effective in regions with a high hard or salty water supply.

Key Features:

  • Removes TDS (Total Dissolved Solids)

  • Eliminates arsenic, fluoride, and lead

  • Has pre-filters and post-filters

  • Storage tank included

As per the Bureau of Indian Standards (BIS), TDS levels less than 500 mg/litre are considered safe. RO systems can easily bring down the TDS level from 2000 to within the safe range.

Also Read: Smart Water Bottles: Do they improve hydration habits?

What is a UV Purifier?

UV stands for Ultraviolet. These purifiers use UV light to neutralize germs and bacteria. UV doesn’t remove salts or metals. UV systems perform best in cities where municipalities supply soft water.

Key Features:

  • No storage tank

  • Compact and easy maintenance

  • Retains the original taste of water.

UV purifiers kill 99.99% of germs but do not remove chemical particles.

RO vs UV Purifiers: Quick Overview

As per Statista’s 2024 survey, 57% of Indian homes with purifiers use RO, while 23% are dependent on UV systems.

Top 10 Water Purifiers in 2025

Below are the lists of the Best Water Purifiers in India for this year:

Kent Grand Plus (RO + UV + UF)

  • 8-litre capacity

  • Great for high TDS levels

  • Estimated for Rs.17,000

Aquaguard Aura UV + UF

  • No RO included

  • Modern look

  • Estimated for Rs.11,500

HUL Pureit Eco RO

  • Minimal water waste

  • 10-litre storage

  • Estimated for Rs.14,000

Blue Star Excella (RO + UV)

  • Dual-layered filtration

  • Space saving

  • Estimated for Rs.10,500

Livpure Glo Pro++

  • Combination of RO, UV, and Mineralizer

  • Ideal for families

  • Estimated for Rs.9,999

AO Smith Z9 RO

  • Features include both Hot and Cold water 

  • Premium look

  • Estimated for Rs.22,000

V-Guard Zenora RO + UV

  • Durable

  • Reasonable

  • Estimated for Rs.13,500

Havells UV Plus

  • UV with mineral enhancement

  • Wall-mount design

  • Estimated for Rs.9,200

Tata Swach Ultima Silver UV

  • Affordable UV option

  • Simple to set-up

  • Estimated for Rs.6,500

Eureka Forbes Maxima RO

  • Smart alerts

  • Effective Purification

  • Estimated for Rs.15,000

Also Read: Smart Cleaning Tools: Tech solutions for a spotless home

Which One to Buy?

The selection relies on the water sources. An RO purifier is the best option if water is drawn from a borewell and has high TDS. A UV purifier is recommended if water is supplied directly from a municipal corporation.

Further, when purchasing, it is good to consider the tank's capacity based on usage, design, and maintenance cost. Many models also combine RO and UV technologies, a comprehensive purification solution.

Final Thoughts

Both RO and UV purifiers ensure water hygiene, but each addresses different qualities. It is always good to check the TDS level before purchasing. Many service providers offer complimentary TDS testing at home.

In 2025, smart purifiers with app control and water-saving technologies are gaining popularity. Regardless of the selected type, investing in clean water remains valuable.

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