Water Purifiers
RO Water Purifiers
₹8,000 – ₹20,000
RO Water Purifiers · ₹8,000 – ₹20,000
Best RO Water Purifiers in India 2026 Under ₹20,000
By Bikram Nath · Updated 2026-05-18 · How we pick · Affiliate disclosure: links earn a small commission
Kent Grand Plus
India's most trusted RO brand for a reason — its service reach and dual-purification design make it the safest default pick for most households.
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Har ghar mein ek zaroori cheez — clean peene ka paani. With rising TDS levels in cities like Delhi, Bengaluru, and Surat, a reliable RO water purifier isn't a luxury anymore. The market is flooded with options ranging from basic UF gravity filters to multi-stage RO+UV+copper systems, making the choice genuinely confusing. This guide cuts through the noise. We picked 7 purifiers actually available across India — from tier-1 metros to tier-2 cities — with honest specs and real service-network notes. Whether your municipal TDS sits at 300 or 1,800 ppm, there's a pakka pick here for your home.
Quick Comparison
| # | Product | Brand | Link |
|---|---|---|---|
| 1 | Kent Grand Plus Top Pick | Kent | |
| 2 | Aquaguard Aura RO+UV+UF Best Service Network | Eureka Forbes | |
| 3 | Pureit Copper+ Mineral RO+UV Best for Copper Water | HUL Pureit | |
| 4 | Livpure Glo RO+UV+Mineraliser Best Budget RO | Livpure | |
| 5 | Blue Star Aristo RO+UV | Blue Star | |
| 6 | Havells Digitouch RO+UV | Havells | |
| 7 | AO Smith Z9 Green RO Best Premium | AO Smith |
Our Top Picks
Kent Grand Plus
Kent
Purification
RO+UV+UF+TDS Controller
Storage
9L food-grade tank
Input TDS
Up to 2,000 ppm
Filter Life
~6,000L per stage (approximate)
Certification
WQA Gold Seal + BIS IS 10500
Pros
- ✓TDS controller retains essential minerals — water doesn't taste flat or 'dead' post-purification
- ✓Widest service network in India including tier-2 and many tier-3 cities
- ✓Double purification stage (RO then UV after tank) keeps stored water safe between refills
Cons
- ✗AMC cost climbs noticeably after the first free year — factor this into total ownership cost
- ✗Bulkier countertop footprint than newer under-sink or slim-wall-mount models
“India's most trusted RO brand for a reason — its service reach and dual-purification design make it the safest default pick for most households.”
Aquaguard Aura RO+UV+UF
Eureka Forbes
Purification
RO+UV+UF+MTDS Regulator
Storage
7L tank
Input TDS
Up to 2,000 ppm
Smart Feature
e-Boiling + Active Copper technology
Certification
NSF International + BIS
Pros
- ✓e-Boiling mimics traditional stovetop boiling — psychological reassurance for households switching from boiled water habit
- ✓Pan-India service reach is arguably the strongest in the category
- ✓Slim vertical design fits most modular kitchen wall layouts
Cons
- ✗Premium pricing for broadly similar purification output vs Kent Grand Plus
- ✗Replacement cartridge costs are above category average
“Best for urban households that want brand confidence and minimal after-sales headaches — Aquaguard's service SLA is genuinely hard to match.”
Pureit Copper+ Mineral RO+UV
HUL Pureit
Purification
RO+UV+Copper Charge Technology
Storage
8L tank
Input TDS
Up to 2,000 ppm
Copper Stage
In-tank copper ionisation
Certification
BIS IS 10500
Pros
- ✓Copper ionisation is a genuine differentiator for households following copper-water Ayurvedic practices
- ✓HUL distribution ensures replacement filters are stocked at local electronics stores, not solely via service calls
- ✓Compact build with a clean finish suits modern kitchens
Cons
- ✗Copper ionisation chamber needs periodic descaling — adds one extra maintenance step vs standard RO
- ✗Mineralised cartridge is an add-on consumable cost beyond the standard filter set
“Ideal for health-focused households who want the copper-water benefit without managing a separate copper vessel — a meaningfully different product in this category.”
Livpure Glo RO+UV+Mineraliser
Livpure
Purification
RO+UV+Mineraliser
Storage
7L tank
Input TDS
Up to 2,000 ppm
Mineraliser
In-line re-mineralisation cartridge
Certification
BIS IS 10500
Pros
- ✓Most accessible entry price in the RO+mineraliser segment without cutting corners on core purification
- ✓Compact wall-mount design ideal for 1BHK kitchens where counter space is tight
- ✓Build quality is above what the price bracket usually delivers
Cons
- ✗Service network notably thinner than Kent or Aquaguard in cities below tier-2 — confirm local coverage before ordering
- ✗Replacement filter availability can be inconsistent in smaller towns; stock up when ordering online
“Solid budget RO pick for renters and young professionals in metro and tier-1 cities who want clean water without a long-term brand lock-in.”
Blue Star Aristo RO+UV
Blue Star
Purification
RO+UV+UF+Auto Flush
Storage
8L tank
Input TDS
Up to 2,000 ppm
Auto Flush
Automatic membrane flushing
Certification
BIS certified
Pros
- ✓Automatic membrane flush extends RO membrane life — noticeably reduces maintenance call frequency over 2–3 years
- ✓Blue Star's air conditioner service infrastructure translates directly to purifier support in South India
- ✓Minimal plastic taste in stored water — membrane and tank material quality is above average for the segment
Cons
- ✗Lower brand recognition in North India limits walk-in service options outside major cities
- ✗Flush cycle is audible — noticeable in quiet kitchens early morning or late night
“An underrated pick for South India, particularly Tamil Nadu and Karnataka, where Blue Star's service density and the auto-flush feature give it a real-world maintenance edge.”
Havells Digitouch RO+UV
Havells
Purification
RO+UV+Mineraliser
Storage
8L tank
Input TDS
Up to 2,000 ppm
Display
Digital LED filter-life indicator
Certification
BIS IS 10500
Pros
- ✓Digital filter-life indicator removes guesswork — prevents the common mistake of running a purifier 3–6 months past safe cartridge life
- ✓Havells after-sales is backed by its national electrical goods network — same technicians cover purifiers and wiring faults
- ✓Premium build finish at a mid-range price point
Cons
- ✗Mineraliser cartridge is an ongoing cost beyond the standard RO filter replacement
- ✗Tends to revise pricing upward more often than budget competitors
“Smart choice for buyers who value real-time filter health data — the LED indicator alone is worth the marginal premium if you've ever forgotten a filter change.”
AO Smith Z9 Green RO
AO Smith
Purification
SCMT+RO+UV+Mineraliser+UF
Storage
10L tank
Input TDS
Up to 2,000 ppm
Green Feature
High-recovery membrane — lower reject-water ratio
Certification
NSF/ANSI + BIS IS 10500
Pros
- ✓Side-stream SCMT technology wastes significantly less water than conventional RO — measurable saving in water-stressed cities like Chennai and Hyderabad
- ✓10L tank practical for larger families or homes with frequent guests
- ✓Five-stage purification with SCMT pre-treatment protects the RO membrane and extends its service life
Cons
- ✗Most expensive pick in this guide — premium pricing puts it out of reach for many households
- ✗Strong in metros, but service availability drops sharply in tier-2 cities; verify PIN code coverage before purchasing
“Best premium pick for large families and environmentally conscious households — the reduced water wastage is a genuine differentiator, not a marketing claim.”
Editor's read
In most tier-2 cities — Nagpur, Coimbatore, Vadodara, Ludhiana — the real challenge isn't buying a purifier; it's getting filters replaced on schedule. National brands like Kent and Aquaguard have the densest field technician footprints here, while newer entrants rely on couriered cartridges, which adds 3–7 days of downtime per service cycle. Monsoon season (June–September) is when water quality deteriorates most sharply — municipal TDS and microbial load both spike in flood-adjacent supply lines, so a UV stage is non-negotiable, not optional. Before finalising any purchase, call the brand's local service line and confirm your PIN code is covered — not just the city name. A ₹14,000 purifier with no nearby technician costs more in downtime than a ₹9,000 Kent with next-day service.
— Bikram, editor
How we picked these ro water purifiers
Every pick on this page started from real shopper questions, not Amazon's bestseller rankings. We exclude listings where reviews look incentivised — the patterns we screen for are sudden review spikes timed with coupon launches, brand-comparison templates copy-pasted across multiple variants, and listings under a year old with fewer than 50 organic reviews. Bestseller-tag products in narrow subcategories often game a small basket; we prefer products with deep, stable review history that survived seasonal surges.
Pricing on this page reflects realistic Amazon India retail. We ignore one-day flash deals, Prime-Day-only discounts, and stabilised retailer-only coupons that don't hold for someone shopping on a normal Tuesday. The ₹8,000 – ₹20,000band is what you'll actually pay if you walk into this listing today, not the cherry-picked best-discount value.
Our editorial process is one person — Bikram, based in Pune — researching water purifiers products against Indian use-case constraints (voltage variability, hard water in many cities, monsoon humidity, smaller flat sizes than Western default). The order of products on this page reflects our editorial ranking only. We do not accept paid placements, sponsored slots, or PR-pitched products. Our only commercial relationship is the Amazon affiliate link — clicking through earns a small commission, your price stays identical.
Buying ro water purifiers in India — what to know
- Indian retail vs imported products: Most ro water purifiers listed here have official Indian distributor warranty. Imported (grey market / parallel import) units are sometimes cheaper but carry no Indian service-centre warranty — for water purifiers, that gap is meaningful since service infrastructure varies sharply between metros and tier-2 cities.
- Voltage and electrical compatibility: Indian mains is 230V at 50Hz with notable fluctuation outside metros. Most ro water purifiers in this category aren't voltage-sensitive, but verify the product page mentions Indian voltage compatibility before importing or buying grey-market units.
- Delivery realities: Amazon India Prime delivery in metros lands in 1-2 days; tier-2 cities 3-5 days; remote pincodes 5-7. For festive periods (Diwali week, Raksha Bandhan, year-end), even Prime delivery slips by 1-2 days due to demand surges. Build that buffer into your purchase timing if the ro water purifiers is for a specific date.
- Return window math: Standard Amazon India return window is 7-10 days from delivery, not from purchase or unboxing. For gifts and items received before the actual occasion, the return clock starts on delivery — order closer to your need-by date so the return option remains live if the product disappoints.
- Warranty registration: Most water purifiersbrands require online warranty registration within 7-15 days of delivery. Skipping this step often means the warranty period defaults to the manufacturing date (which can be months earlier) instead of your delivery date. Register on the brand's website with your invoice number — takes 2 minutes, saves a potential 1-3 month warranty gap.
- Stabiliser / surge protection: India's grid sees more voltage events than most product engineering tolerances assume. For ro water purifiers with electronic components, the 40001–80002 additional spend on a quality stabiliser pays for itself the first time it saves you from a power-surge replacement.
We Also Considered
Solid alternatives we evaluated. They didn't beat our top picks for this specific use case, but they're worth a look if your priorities differ.
TATA Swach Cristella Plus
View on Amazon →Gravity-based, zero electricity needed — best for areas with frequent 6+ hour power cuts or rural homes without stable voltage.
Mi Smart Water Purifier
View on Amazon →App-connected filter-life monitoring and competitive pricing, but after-sales service coverage is thinner than dedicated water purifier brands in most cities.
What to Look For
- 1.Check your source water TDS before buying anything — a ₹200–₹400 TDS meter from Amazon.in takes 30 seconds. RO is only necessary above roughly 300 ppm; below that, a UV+UF filter is cheaper and wastes zero water.
- 2.India's hard water reality: most of Rajasthan, UP, and Gujarat regularly sees TDS above 800 ppm. In these regions, pick a purifier rated for at least 2,000 ppm input TDS — underpowered membranes foul faster and need earlier replacement.
- 3.Service network trumps specs. An AMC (Annual Maintenance Contract) from Kent or Aquaguard with a technician within 20 km is often better value than a feature-rich brand with no local presence in your PIN code.
- 4.Water wastage matters in dry cities: standard RO discards 3–5 litres per litre purified. Look for models with reject-water re-routing to a storage bucket for mopping or garden use — small saving that compounds daily.
- 5.ISI BIS certification to IS 10500 means the purified output meets Indian drinking water standards. Verify it appears on the product listing page, not just the box artwork — some listings show it; the actual unit may not carry it.
- 6.Copper ionisation vs copper filter: in-tank copper ionisation (HUL Pureit style) is not the same as a physical copper vessel but it is safe and consistent. Both approaches are legitimate; neither needs a medical disclaimer to recommend.
- 7.Tank size guide: 7–9L works for a family of 4 in most cities. Go 10–12L if your area has 4+ hour power cuts since the purifier produces nothing without electricity and your family still needs water.
Frequently Asked Questions
What is the best RO Water Purifiers in India?
The best RO Water Purifiers in India is the Kent Grand Plus. India's most trusted RO brand for a reason — its service reach and dual-purification design make it the safest default pick for most households.
How much does a RO Water Purifiers cost in India?
RO Water Purifiers prices in India typically range from ₹8,000 – ₹20,000. Check current prices on Amazon for each pick listed above.
What should I look for when buying a RO Water Purifiers?
Key factors: Check your source water TDS before buying anything — a ₹200–₹400 TDS meter from Amazon.in takes 30 seconds. RO is only necessary above roughly 300 ppm; below that, a UV+UF filter is cheaper and wastes zero water. | India's hard water reality: most of Rajasthan, UP, and Gujarat regularly sees TDS above 800 ppm. In these regions, pick a purifier rated for at least 2,000 ppm input TDS — underpowered membranes foul faster and need earlier replacement. | Service network trumps specs. An AMC (Annual Maintenance Contract) from Kent or Aquaguard with a technician within 20 km is often better value than a feature-rich brand with no local presence in your PIN code.
What is a good budget option for RO Water Purifiers?
AO Smith Z9 Green RO is a solid budget choice within this range. Best premium pick for large families and environmentally conscious households — the reduced water wastage is a genuine differentiator, not a marketing claim.
How long does Amazon India take to deliver ro water purifiers?
Amazon Prime members in metros (Mumbai, Delhi, Bangalore, Pune, Chennai, Hyderabad, Kolkata, Ahmedabad) typically get 1-2 day delivery. Tier-2 cities take 3-5 days. Remote pincodes (parts of North-East, interior Himachal, smaller towns in MP and Odisha) take 5-7 days. For ro water purifiers, we recommend verifying delivery date on the Amazon listing before checkout — bulkier water purifiers items occasionally take longer than the displayed Prime estimate.
Is the RO Water Purifiers listed here available with EMI on Amazon India?
Most products in the ₹8,000 – ₹20,000 range qualify for No-Cost EMI on Amazon India when you check out with a credit card from HDFC, ICICI, Axis, SBI, or Kotak Mahindra. Some debit cards from these banks also work. The exact EMI options appear on the product page after you select a payment method — typically 3, 6, 9 month no-cost terms for ₹8,000 – ₹20,000, with longer 12-24 month terms available at small interest. Amazon Pay Later is also an option for orders under ₹60,000.
Can I return RO Water Purifiers on Amazon if it doesn't work as expected?
Most water purifiers products on Amazon.in have a 7-10 day return window from delivery date for replacement or refund, provided the item is unused and in original packaging with all accessories. Personal-care and consumable items are typically non-returnable once the seal is broken. For appliances and electronics, the manufacturer warranty (usually 1-2 years) covers defects beyond Amazon's return window — register the product with the brand within 7 days of delivery to lock in the warranty start date.
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Filter Replacements
AO Smith X2 UV Filter Replacement: Every Stage Explained (2026)
₹1,400 – ₹3,500 per set
Filter Replacements
AO Smith Z7 Filter Replacement Guide (2026)
₹1,600 – ₹4,200 per set
Filter Replacements
Aquaguard Enhance RO+UV+UF Filter Replacement Guide (2026)
₹1,200 – ₹3,400 per set
Top Pick
Kent Grand Plus