Clean drinking water is not a luxury — it's a necessity. In a country like India where water contamination is widespread, having a reliable water purifier at home is essential for protecting your family's health. But with hundreds of models available, choosing the right one can be overwhelming.
That’s why we’ve done the research for you.
In this blog, we reveal the top 5 best water purifier in India, curated based on performance, filtration technology, design, and value for money. Whether you're dealing with hard borewell water, municipal supply, or tank water, these models are built to deliver RO UV UF purification, alkaline enhancement, and even copper infusion for added health benefits.
India faces diverse water quality challenges — from excessive TDS levels in borewell water to bacterial contamination in municipal supply. Common issues include:
High Total Dissolved Solids (TDS)
Bacteria and virus presence
Heavy metals like lead, arsenic, and fluoride
Hard water that affects taste and appliance life
A modern water purifier using RO (Reverse Osmosis), UV (Ultraviolet), UF (Ultrafiltration), and alkaline copper technologies can effectively eliminate these contaminants while restoring essential minerals.
Here is a curated list of the top 5 water purifiers that provide exceptional purification, features, and after-sales support in India.
Key Features:
12-Stage Purification
RO + UV + UF + Copper + Alkaline
Wall-mounted design
Smart TDS controller
Why it’s the best:
The Aqua 2090 RO+ Copper strikes a perfect balance between advanced technology and health-focused features. Its 12-stage purification system ensures 99.9% contaminant removal while enriching the water with essential minerals and copper ions. Ideal for households that demand quality and aesthetics.
Best for: Families with diverse water sources (borewell + tank)
Key Features:
14-Stage Advanced Filtration
RO + UV + UF + Copper + Mineral Cartridge
Luxurious black & gold finish
High purification rate (up to 20L/hr)
Why it stands out:
The Nexus Diamond Series combines luxury with performance. It offers 14 layers of purification, which is rare even among premium brands. The copper and mineral cartridges improve taste and immunity-boosting capabilities. It's a stylish yet functional addition to your kitchen.
Best for: Urban homes seeking both design and high performance
Key Features:
15L storage capacity
RO + UV + UF + Copper + TDS Adjuster
LED indicators for maintenance
Heavy-duty filter life
Why it’s great for large homes:
With a generous 15-litre tank and robust purification system, the Star X Royal Plus is built for homes with high water usage. It offers consistent performance across various TDS levels and comes with service-friendly features.
Best for: Joint families or offices
Key Features:
RO + UV + UF
Basic mineral cartridge
Compact and lightweight design
Easy DIY installation
Why it’s budget-friendly:
If you're looking for a reliable purifier without breaking the bank, the Aqua Mars STD Green delivers all essential features at an affordable price. While it lacks copper and alkaline stages, its RO+UV+UF setup makes it suitable for most urban water conditions.
Best for: Small households and budget-conscious buyers
Key Features:
Smart TDS controller
RO + UV + Copper + Alkaline
Multi-layer sediment and carbon filters
Long filter life (up to 8000L)
Why it’s innovative:
The Aqua Kainet BB-201 features an intelligent TDS controller, allowing you to customize water taste and quality. The alkaline filter balances pH levels, and the copper infusion adds antimicrobial properties.
Best for: Users who need to control water taste across different sources
Model Name | Filtration Stages | Storage | Best For |
---|---|---|---|
Aqua 2090 RO+ Copper | 12-Stage | 10L | Overall Performance |
Nexus Diamond Black | 14-Stage | 12L | Premium Experience |
Star X Royal Plus | 13-Stage | 15L | Large Families |
Aqua Mars STD Green | Basic 6-Stage | 8L | Budget Homes |
Aqua Kainet BB-201 | 10-Stage | 10L | Custom TDS Needs |
Borewell Water – Usually high TDS and heavy metals → Choose RO + UV + TDS controller
Municipal Water – May contain bacteria and chlorine → Opt for UV + UF + Copper
Mixed Sources – Best to have RO + UV + UF + Alkaline
Multi-stage Filtration (RO + UV + UF)
Copper and Alkaline Filters (for health benefits)
Storage Capacity (minimum 8L for 3–4 people)
Smart TDS Controller
After-sales support and warranty
Water purifiers with RO UV UF technology offer comprehensive protection:
RO removes TDS, fluoride, arsenic, and heavy metals
UV kills bacteria and viruses
UF filters out suspended particles and pathogens
Copper & Alkaline Filters enhance mineral content and immunity
This makes them ideal for Indian households, especially in cities with questionable water quality.
Prices vary based on features and brands. Here's a general idea:
Type | Price Range (INR) |
---|---|
Basic RO Purifiers | ₹3,500 – ₹5,000 |
RO + UV + UF Models | ₹5,500 – ₹8,000 |
RO + UV + UF + Copper | ₹6,000 – ₹9,500 |
Premium Models | ₹10,000+ |
Look for 1-year warranty and free installation, which many manufacturers now offer.
Most water purifiers need filter replacements every 6–12 months based on usage. Key maintenance points:
Sediment filter: Every 6 months
RO membrane: 1 year
UV lamp: Annually
AMC (Annual Maintenance Contract) is recommended for hassle-free servicing
Always choose brands or sellers that offer easy availability of RO spare parts online and offline.
The top 5 water purifiers in India for 2025 are:
Aqua 2090 RO+ Copper with Alkaline
Nexus Series Diamond Black with Gold Strip
Star X Royal Plus
Aqua Mars STD Green
Aqua Kainet BB-201
These models offer RO, UV, UF, and additional features like copper and alkaline filters suited for Indian water conditions.
The Aqua 2090 RO+ Copper is a great all-rounder for home use, offering 12-stage purification, copper infusion, and an alkaline filter.
Yes. RO water is safe and beneficial, especially in areas with high TDS or heavy metals. Opt for models that re-mineralize the water (with copper or alkaline filters).
A good water purifier in India can cost between ₹4,000 and ₹10,000, depending on its features, stages of purification, and brand.
When it comes to safe and healthy drinking water, investing in a good purifier is non-negotiable. Our list of the top 5 best water purifiers in India includes models suited for every need — whether you want budget performance or advanced copper + alkaline technology.
For overall value and performance, the Aqua 2090 RO+ Copper with Alkaline stands out as the best water purifier in India today. But depending on your budget and water quality, any of the listed models will serve you well.
Looking to buy one of these water purifiers? Click on the links mentioned above in the product's name.