LEVOIT Classic 300S Smart Humidifier vs Vicks Warm Mist Humidifier V745A
Both made our Best Humidifiers for Dry Winter Air shortlist, at #1 and #2. Here's how they differ and who each one suits.
- BuyOnceRight Research Desk
- Updated
- 4 min read
Quick verdict
Choose the LEVOIT Classic 300S Smart Humidifier if you want auto Mode keeps the room from exceeding 50 percent humidity, limiting dust mite and mold conditions. Choose the Vicks Warm Mist Humidifier V745A if you'd rather have 600 sq ft rating covers most large bedrooms and open living areas. Overall we rank the LEVOIT Classic 300S Smart Humidifier higher: #1 versus #2 in our Best Humidifiers for Dry Winter Air list.
Winner overall: LEVOIT Classic 300S Smart Humidifier
LEVOIT Classic 300S Smart Humidifier vs Vicks Warm Mist Humidifier V745A compared
Every difference that matters, in one table.
| Attribute | ||
|---|---|---|
| Our ranking | #1 of 4 in Best Humidifiers for Dry Winter Air | #2 of 4 in Best Humidifiers for Dry Winter Air |
| Pick label | ||
| Brand | Levoit | Vicks |
| Key features | Auto Mode humidity sensor; App-based humidity tracking; 6L top-fill tank, wide opening for cleaning | Rated coverage up to 600 sq ft; 1-gallon tank; Up to 24 hours runtime |
| Biggest strength | Auto Mode keeps the room from exceeding 50 percent humidity, limiting dust mite and mold conditions | 600 sq ft rating covers most large bedrooms and open living areas |
| Main trade-off | Ultrasonic mechanism can aerosolize mineral dust and any tank bacteria without distilled water and frequent cleaning | Higher electricity draw than an ultrasonic unit run continuously |
| Best for | allergies | large rooms |
Which should you buy?
#1 pick
Choose the LEVOIT Classic 300S Smart Humidifier if…
- Auto Mode keeps the room from exceeding 50 percent humidity, limiting dust mite and mold conditions
- App tracking makes it easy to confirm the room is actually staying in the 30 to 50 percent range
- Wide-mouth top-fill tank is easier to scrub thoroughly than a narrow-neck bottle-style tank
Best for: allergies
Prefer the alternative? See the Vicks Warm Mist Humidifier V745A section.
#2 pick
Choose the Vicks Warm Mist Humidifier V745A if…
- 600 sq ft rating covers most large bedrooms and open living areas
- Filter-free design skips a recurring cost for large-room continuous use
- VapoSteam compatibility adds congestion relief across the full space
Best for: large rooms
Prefer the alternative? See the LEVOIT Classic 300S Smart Humidifier section.
Pros and cons of each
LEVOIT Classic 300S Smart Humidifier
Pros
- Auto Mode keeps the room from exceeding 50 percent humidity, limiting dust mite and mold conditions
- App tracking makes it easy to confirm the room is actually staying in the 30 to 50 percent range
- Wide-mouth top-fill tank is easier to scrub thoroughly than a narrow-neck bottle-style tank
Cons
- Ultrasonic mechanism can aerosolize mineral dust and any tank bacteria without distilled water and frequent cleaning
- Requires a stricter cleaning schedule than the filtered Honeywell for allergy sufferers
- Higher price point than basic allergy-focused units
Vicks Warm Mist Humidifier V745A
Pros
- 600 sq ft rating covers most large bedrooms and open living areas
- Filter-free design skips a recurring cost for large-room continuous use
- VapoSteam compatibility adds congestion relief across the full space
Cons
- Higher electricity draw than an ultrasonic unit run continuously
- 1-gallon tank needs more frequent refills than the Levoit's 6L in a large room
- Warm mist reservoir is a burn hazard if placed within reach of kids
LEVOIT Classic 300S Smart Humidifier vs Vicks Warm Mist Humidifier V745A: common questions
Which is better, the LEVOIT Classic 300S Smart Humidifier or the Vicks Warm Mist Humidifier V745A?
Choose the LEVOIT Classic 300S Smart Humidifier if you want auto Mode keeps the room from exceeding 50 percent humidity, limiting dust mite and mold conditions. Choose the Vicks Warm Mist Humidifier V745A if you'd rather have 600 sq ft rating covers most large bedrooms and open living areas. Overall we rank the LEVOIT Classic 300S Smart Humidifier higher: #1 versus #2 in our Best Humidifiers for Dry Winter Air list.
What is the difference between the LEVOIT Classic 300S Smart Humidifier and the Vicks Warm Mist Humidifier V745A?
The LEVOIT Classic 300S Smart Humidifier stands out because auto Mode keeps the room from exceeding 50 percent humidity, limiting dust mite and mold conditions, while the Vicks Warm Mist Humidifier V745A stands out because 600 sq ft rating covers most large bedrooms and open living areas. The trade-offs differ too: the LEVOIT Classic 300S Smart Humidifier's main caveat is that ultrasonic mechanism can aerosolize mineral dust and any tank bacteria without distilled water and frequent cleaning, and the Vicks Warm Mist Humidifier V745A's is that higher electricity draw than an ultrasonic unit run continuously.
Is the LEVOIT Classic 300S Smart Humidifier worth it over the Vicks Warm Mist Humidifier V745A?
For most buyers, yes: it's our #1 pick. Consider the Vicks Warm Mist Humidifier V745A instead if ultrasonic mechanism can aerosolize mineral dust and any tank bacteria without distilled water and frequent cleaning is a deal-breaker for you.
Who should buy the Vicks Warm Mist Humidifier V745A instead of the LEVOIT Classic 300S Smart Humidifier?
The Vicks Warm Mist Humidifier V745A suits large rooms, while the LEVOIT Classic 300S Smart Humidifier is best for allergies.