Full side-by-side

AlkaViva H2 Athena Mfr claim · Novita HydroPlus NP11000 Mfr claim
SpecAlkaViva H2 AthenaNovita HydroPlus NP11000Winner
OriginUSA (imported)Singapore
DistributionOnline · ships internationallyDirect retail (Tangs, Best Denki, online estore)
CategoryAlkaline ionizer (US import)Hot/cold dispensers + ionizers
Plates57Novita HydroPlus NP11000
pH (max alkaline)10.310.2AlkaViva H2 Athena
ORP-650 mV-620 mVAlkaViva H2 Athena
Dissolved H₂0.92 ppm0.95 ppmNovita HydroPlus NP11000
Flow rate2.4 L/min2.5 L/minNovita HydroPlus NP11000
Warranty5 yr5 yrTie
Filter cost (each)S$ 220S$ 180Novita HydroPlus NP11000
Sticker priceS$ 3,200S$ 1,499Novita HydroPlus NP11000
5-year totalS$ 5,400S$ 3,299Novita HydroPlus NP11000
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: Novita HydroPlus NP11000 saves S$ 2,101 over 5 years.

Lab performance: AlkaViva H2 Athena produces 0.92 ppm dissolved H₂; Novita HydroPlus NP11000 produces 0.95 ppm. The Novita HydroPlus NP11000 leads on hydrogen output.

Warranty: AlkaViva H2 Athena carries a 5-year warranty; Novita HydroPlus NP11000 carries 5. Same warranty length.

Where to buy + showroom info

AlkaViva H2 Athena

Online · ships internationally

Lineup: H2 Athena (5p) · Vesta H2 (8p) · Delphi H2 (7p)

Visit AlkaViva →

Novita HydroPlus NP11000

Direct retail (Tangs, Best Denki, online estore)

Showroom: Tangs · Best Denki · Courts (multiple SG outlets)

Lineup: Instant Hot/Cold RO P9 ($898) · P6 ($428) · HydroPlus NP11000 · The Glacier W55

Visit Novita →

No affiliate links · Waterionizer.sg earns zero from either purchase.