Vicks Filter-Free Ultrasonic VUL545 vs Vicks Filter-Free Ultrasonic V4600
In short: The Vicks Filter-Free Ultrasonic VUL545 costs $5 less; the Vicks Filter-Free Ultrasonic V4600 genuinely holds a larger room (234 sq ft against 165 sq ft); the Vicks Filter-Free Ultrasonic VUL545 costs about $1 less a year in wicks and watts.
| Spec | Vicks Filter-Free Ultrasonic VUL545 | Vicks Filter-Free Ultrasonic V4600 |
|---|---|---|
| Approx. price | ~$45 | ~$50 |
| Type | Ultrasonic | Ultrasonic |
| Mist | cool | cool |
| Rated output | 0.67 gal/day | 0.95 gal/day |
| Output standard | Computed from the tank and the maker's longest runtime claim — the lowest setting | Computed from the tank and the maker's longest runtime claim — the lowest setting |
| Honest room size | 165 sq ft | 234 sq ft |
| Claimed coverage | 400 sq ft | Not stated |
| Claim vs physics | 2.42× | — |
| Tank size | 1 gal | 1.19 gal |
| Runtime at the claimed room | 15 hr | — |
| Real runtime at full output | — | — |
| Yearly running cost | ~$10 | ~$11 |
| Replaceable media | None — nothing to buy | None — nothing to buy |
| White dust risk | Yes | Yes |
| Humidistat | No | No |
| Noise on low | — | — |
| Top fill | No | No |
| Dishwasher-safe tank | No | No |
| App control | No | No |
| Power | 35 W | 38 W |
Highlighted cells are the better number in that row, and only where a direction is unambiguous — more output and more supported room, less noise, cost and price. Honest room size and runtime are computed from each maker’s own published figures; here is the calculation.
Pros and cons
Vicks Filter-Free Ultrasonic VUL545
- Available in physical shops when a humidifier is needed tonight, which no direct-to-consumer brand here can match
- VapoPad slots are the reason parents buy Vicks specifically, and they work as described
- No consumables required, so it survives being put away for a year and pulled out again
- Visible mist reassures people that it is doing something - not a technical virtue, but a real one
- White dust is the dominant complaint, and there is no demineralisation option
- No humidistat; in a small closed bedroom it will run the windows wet
- 400 sq ft implies about nine hours of tank, not 36
- Owners report the tank being awkward to clean around the neck, which is where the film starts
Vicks Filter-Free Ultrasonic V4600
- One of the few units here that does not print a room-size figure it cannot support
- Very quiet - owners rank it among the quietest they have owned
- Dual pad slots give noticeably more menthol than the single-slot models
- White dust on hard water, and the VapoPad slots do nothing about minerals
- Bottom fill through a neck narrow enough that cleaning is a bottle-brush job
- Nothing senses the room - it mists at a set rate until the tank is dry