Full side-by-side
Panasonic TK-AS45 Mfr claim
·
Toyomi Hot/Cold Water Dispenser Mfr claim
| Spec | Panasonic TK-AS45 | Toyomi Hot/Cold Water Dispenser | Winner |
|---|---|---|---|
| Origin | Japan | Singapore brand · China manufactured | — |
| Distribution | Major retail (Tangs, Best Denki, Courts) | Retail · Lazada / Shopee / Mega Discount | — |
| Category | Entry-level alkaline ionizer | Hot/cold dispenser (NOT a true ionizer) | — |
| Plates | 3 | 0 | Panasonic TK-AS45 |
| pH (max alkaline) | 9.5 | 7.4 | Panasonic TK-AS45 |
| ORP | -420 mV | -20 mV | Panasonic TK-AS45 |
| Dissolved H₂ | 0.32 ppm | 0.01 ppm | Panasonic TK-AS45 |
| Flow rate | 2.0 L/min | 1.5 L/min | Panasonic TK-AS45 |
| Warranty | 1 yr | 1 yr | Tie |
| Filter cost (each) | S$ 160 | S$ 50 | Toyomi Hot/Cold Water Dispenser |
| Sticker price | S$ 899 | S$ 199 | Toyomi Hot/Cold Water Dispenser |
| 5-year total | S$ 2,499 | S$ 699 | Toyomi Hot/Cold Water 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: Toyomi Hot/Cold Water Dispenser saves S$ 1,800 over 5 years.
Lab performance: Panasonic TK-AS45 produces 0.32 ppm dissolved H₂; Toyomi Hot/Cold Water Dispenser produces 0.01 ppm. The Panasonic TK-AS45 leads on hydrogen output.
Warranty: Panasonic TK-AS45 carries a 1-year warranty; Toyomi Hot/Cold Water Dispenser carries 1. Same warranty length.
Where to buy + showroom info
Panasonic TK-AS45
Major retail (Tangs, Best Denki, Courts)
Lineup: TK-AS45 (3-plate)
Visit Panasonic →Toyomi Hot/Cold Water Dispenser
Retail · Lazada / Shopee / Mega Discount
Lineup: WD 1230F · WD 1238 · MWP 0738 (bottled-water dispensers)
Visit Toyomi Singapore →No affiliate links · Waterionizer.sg earns zero from either purchase.