Best Water Purifiers in India

Quick Picks

• Best overall: Kent Supreme Plus 2026 (RO+UV+UF+TDS Control) — Most versatile for Indian conditions
• Best for low TDS: Aquaguard Delight (UV+UF) — Excellent for municipal water without RO waste
• Best budget RO: AO Smith Z8 (RO+UV) — Reliable performance under ₹15,000
• Best gravity purifier: Tata Swach Smart (UF+Carbon) — No electricity required
• Best premium: Livpure Glo (RO+UV+Mineraliser) — Smart features and great design

Comparison Table

Model	Technology	TDS Range	Price (₹)	Storage	Warranty
Kent Supreme Plus 2026	RO+UV+UF+TDS	<2000 ppm	18,500	8 L	2 years
Aquaguard Delight	UV+UF	<300 ppm	9,990	7 L	2 years
AO Smith Z8	RO+UV	<2000 ppm	14,990	7 L	2 years
Tata Swach Smart	UF+Carbon	<300 ppm	3,999	9 L	1 year
Livpure Glo	RO+UV+Mineraliser	<2000 ppm	22,999	8 L	2 years
Eureka Forbes Aquaguard Ritz	RO+UV	<1500 ppm	16,990	8 L	2 years

Kent Supreme Plus 2026

Price: ₹18,500 Technology: RO + UV + UF + TDS Control TDS range: Up to 2000 ppm Storage: 8 litres

Pros:

• Complete purification with RO, UV, and UF
• TDS control valve allows mineral retention
• Zero water wastage technology (claims to reduce wastage)
• Double purification: UV in storage tank prevents recontamination
• Widely available service network across India

Cons:

• Bulky design
• Filter replacement costs are moderate (₹3,000–4,000/year)
• Zero water wastage claims are debated — some water is still wasted

Bottom line: The most versatile purifier for Indian homes. The TDS controller allows you to retain beneficial minerals, making it a complete solution for most water conditions.

Aquaguard Delight (UV+UF)

Price: ₹9,990 Technology: UV + UF TDS range: Below 300 ppm Storage: 7 litres

Pros:

• No water wastage — all water is purified
• Retains essential minerals (no RO)
• Compact and wall-mountable
• Low maintenance costs (₹1,500–2,000/year)
• Good for municipal water supply

Cons:

• Cannot handle high TDS or heavy metals
• Requires electricity
• Slower flow rate than RO models

Bottom line: The best choice for Mumbai, Kolkata, and other low-TDS cities. Effective, economical, and environmentally friendly with zero water wastage.

AO Smith Z8 (RO+UV)

Price: ₹14,990 Technology: RO + UV TDS range: Up to 2000 ppm Storage: 7 litres

Pros:

• Side Stream Technology reduces water wastage (50% recovery)
• UV LED lasts 2+ years (longer than conventional UV lamps)
• Anti-corrosion tank
• Smart alert system for filter changes
• Compact design

Cons:

• No UF or TDS controller
• Service network is thinner than Kent or Eureka Forbes in smaller cities
• Plastic components feel less premium

Bottom line: Excellent value-for-money RO purifier. The Side Stream Technology significantly reduces water wastage compared to conventional RO units.

Key Takeaways

• Kent Supreme Plus 2026 is the best overall for most Indian homes with TDS up to 2000 ppm
• Aquaguard Delight is ideal for low-TDS municipal water — no wastage, retains minerals
• AO Smith Z8 offers the best value with reduced water wastage
• Choose based on your water TDS: UV+UF for below 300 ppm, RO+UV for above
• Consider annual maintenance costs — they add up significantly over the purifier’s life