Full side-by-side
Coway Villaem / Neo Plus Mfr claim
·
Panasonic TK-AS45 Mfr claim
| Spec | Coway Villaem / Neo Plus | Panasonic TK-AS45 | Winner |
|---|---|---|---|
| Origin | Korea | Japan | — |
| Distribution | Direct retail + rental (huge SG presence) | Major retail (Tangs, Best Denki, Courts) | — |
| Category | Rental water purifier (NOT a true ionizer) | Entry-level alkaline ionizer | — |
| Plates | 0 | 3 | Panasonic TK-AS45 |
| pH (max alkaline) | 7.5 | 9.5 | Panasonic TK-AS45 |
| ORP | -50 mV | -420 mV | Panasonic TK-AS45 |
| Dissolved H₂ | 0.02 ppm | 0.32 ppm | Panasonic TK-AS45 |
| Flow rate | 2.0 L/min | 2.0 L/min | Tie |
| Warranty | 5 yr | 1 yr | Coway Villaem / Neo Plus |
| Filter cost (each) | — | S$ 160 | Coway Villaem / Neo Plus |
| Sticker price | — / S$ 49/mo | S$ 899 | Panasonic TK-AS45 |
| 5-year total | S$ 2,940 | S$ 2,499 | Panasonic TK-AS45 |
| 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: Panasonic TK-AS45 saves S$ 441 over 5 years.
Lab performance: Coway Villaem / Neo Plus produces 0.02 ppm dissolved H₂; Panasonic TK-AS45 produces 0.32 ppm. The Panasonic TK-AS45 leads on hydrogen output.
Warranty: Coway Villaem / Neo Plus carries a 5-year warranty; Panasonic TK-AS45 carries 1. Coway Villaem / Neo Plus wins on coverage.
Where to buy + showroom info
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 →Panasonic TK-AS45
Major retail (Tangs, Best Denki, Courts)
Lineup: TK-AS45 (3-plate)
Visit Panasonic →No affiliate links · Waterionizer.sg earns zero from either purchase.