Full side-by-side

AOX Premium Mfr claim · Coway Villaem / Neo Plus Mfr claim
SpecAOX PremiumCoway Villaem / Neo PlusWinner
OriginSingaporeKorea
DistributionDirect retail · e-store + corporate rentalDirect retail + rental (huge SG presence)
CategoryAntioxidant water dispenserRental water purifier (NOT a true ionizer)
Plates70AOX Premium
pH (max alkaline)10.27.5AOX Premium
ORP-620 mV-50 mVAOX Premium
Dissolved H₂0.95 ppm0.02 ppmAOX Premium
Flow rate2.4 L/min2.0 L/minAOX Premium
Warranty2 yr5 yrCoway Villaem / Neo Plus
Filter cost (each)S$ 180Coway Villaem / Neo Plus
Sticker priceS$ 1,799— / S$ 49/moAOX Premium
5-year totalS$ 3,599S$ 2,940Coway Villaem / Neo Plus
Our rating
How we sourced these numbers: All specs are taken directly from each manufacturer's published product page (links at the bottom). We have NOT independently lab-tested these brands — only Prime Water (our own sister brand) is verifiable through primewater.com.sg. Independent lab testing is rolling out through 2026.

Verdict

Cost over 5 years: Coway Villaem / Neo Plus saves S$ 659 over 5 years.

Lab performance: AOX Premium produces 0.95 ppm dissolved H₂; Coway Villaem / Neo Plus produces 0.02 ppm. The AOX Premium leads on hydrogen output.

Warranty: AOX Premium carries a 2-year warranty; Coway Villaem / Neo Plus carries 5. Coway Villaem / Neo Plus wins on coverage.

Where to buy + showroom info

AOX Premium

Direct retail · e-store + corporate rental

Phone: +65 6456 4321 · WhatsApp +65 9271 7505

Lineup: Hot & Cold · Non-Electricity · Compac · PURE · TT Tap (award-winner) · AOX Traveller (portable)

Visit AOX Singapore →

Coway Villaem / Neo Plus

Direct retail + rental (huge SG presence)

Showroom: Multiple SG locations · in-mall booths + service centres

Phone: +65 6593 8000

Lineup: Villaem · Neo Plus · Aqua Mega · Cinnamon · P-300 · P-08L

Visit Coway Singapore →

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