Full side-by-side
Mayer Hot/Cold Dispenser Mfr claim
·
Xiaomi Mi Water Purifier Mfr claim
| Spec | Mayer Hot/Cold Dispenser | Xiaomi Mi Water Purifier | Winner |
|---|---|---|---|
| Origin | Singapore brand · China manufactured | China | — |
| Distribution | Retail · Best Denki / Courts / Lazada | Mi Stores · online · Lazada / Shopee | — |
| Category | Hot/cold dispenser (NOT a true ionizer) | Under-sink RO + app (NOT a true ionizer) | — |
| Plates | 0 | 0 | Tie |
| pH (max alkaline) | 7.4 | 7.3 | Mayer Hot/Cold Dispenser |
| ORP | -20 mV | -20 mV | Tie |
| Dissolved H₂ | 0.01 ppm | 0.01 ppm | Tie |
| Flow rate | 1.8 L/min | 1.6 L/min | Mayer Hot/Cold Dispenser |
| Warranty | 1 yr | 1 yr | Tie |
| Filter cost (each) | S$ 60 | S$ 60 | Tie |
| Sticker price | S$ 299 | S$ 599 | Mayer Hot/Cold Dispenser |
| 5-year total | S$ 899 | S$ 1,499 | Mayer Hot/Cold Dispenser |
| 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: Mayer Hot/Cold Dispenser saves S$ 600 over 5 years.
Lab performance: Mayer Hot/Cold Dispenser produces 0.01 ppm dissolved H₂; Xiaomi Mi Water Purifier produces 0.01 ppm. Effectively tied on hydrogen.
Warranty: Mayer Hot/Cold Dispenser carries a 1-year warranty; Xiaomi Mi Water Purifier carries 1. Same warranty length.
Where to buy + showroom info
Mayer Hot/Cold Dispenser
Retail · Best Denki / Courts / Lazada
Lineup: MMWB36 · MMWB28 · MMHC23 (countertop hot/cold dispensers)
Visit Mayer Singapore →Xiaomi Mi Water Purifier
Mi Stores · online · Lazada / Shopee
Lineup: Mi Water Purifier 600G · 500G · 400G · countertop variants
Visit Xiaomi →No affiliate links · Waterionizer.sg earns zero from either purchase.