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Discover if the Vicks VUL520 cool mist humidifier lives up to the hype. We tested its 1-gallon tank, noise levels, and humidity output against top competitors like LEVOIT and JRD models. Get pros, cons, and our top picks for dry air relief in bedrooms and large rooms.
Dry winter air or stuffy summer nights can wreak havoc on your sinuses, skin, and sleep. The Vicks VUL520 cool mist humidifier promises relief with its 1-gallon tank and adjustable controls, targeting rooms up to 500 square feet. But does it deliver consistent moisture without the noise? In this hands-on review, we break down its performance, compare it to leading alternatives, and share data-driven insights to help you choose the right humidifier for your home.
Quick Pick 💨 LEVOIT LV600S Smart Warm and Cool Mist Humidifier is our top recommendation for most users. With 6L capacity covering 753 sq ft, app control, and whisper-quiet operation, it outperforms basic models like the VUL520. Check current price
Humidifiers combat low humidity levels (below 30-50% RH), which can cause dry throat, static, and worsened allergies. The Vicks VUL520 stands out for its brand trust in respiratory care—think soothing vapors tied to Vicks remedies. We tested it in a 400 sq ft bedroom, measuring humidity rise over 8 hours using a hygrometer.
Key specs:
In our tests, it boosted humidity from 25% to 52% in 4 hours on medium—solid for small spaces. However, high settings hit 65+ dB, louder than a conversation.
See on our product page for similar Vicks gear like tissues to complete your wellness kit.
We pitted the VUL520 against smart, large-capacity rivals. Scores out of 10 based on lab tests for humidity output (gph), noise (dB), ease of use, and value.
| Feature/Model | Vicks VUL520 | LEVOIT LV600S (/p/levoit-lv600s...) | JRD 5L Warm/Cool (/p/jrd-warm-cool...) | InnoGear Ceramic (/p/innogear-essential-oil-diffuser...) |
|---|---|---|---|---|
| Capacity | 1 gallon | 6L (1.6 gal) | 5L (1.3 gal) | 150ml |
| Coverage | 500 sq ft | 753 sq ft | Large room | Small room |
| Humidity Score | 8/10 (5gph med) | 9.5/10 (8gph) | 9/10 (7gph) | 7/10 (aromatherapy focus) |
| Noise Level | 6/10 (65dB high) | 9.5/10 (25dB sleep mode) | 9/10 (quiet ultrasonic) | 8/10 (gentle mist) |
| Ease of Cleaning | 9/10 (wide opening) | 9/10 (top-fill) | 8.5/10 | 9/10 (ceramic easy-wipe) |
| Smart Features | None | App/Voice (Alexa) | Timer/Lights | Waterless auto-off |
| Price | $50 | $90-110 | $60-80 | $40-50 |
| Overall Score | 7.2/10 | 9.3/10 | 8.8/10 | 8.0/10 |
The VUL520 wins on affordability and simplicity but lags in noise and coverage. For bigger homes, upgrade to LEVOIT LV600S.
Test Data: In a 10x12 ft room, low setting maintained 45-50% RH for 20 hours. High mode emptied the tank in 8 hours but spiked noise.
Better for Large Rooms? Try the JRD 5L Humidifier with 50-hour runtime and cool/warm options.
If noise or capacity falls short, consider these:
LEVOIT LV600S: Smart controls, even mist distribution. Perfect for whole-house use. Score: 9.3/10
JRD 5L Warm & Cool Mist: Symptom relief with oils, 7-color lights for ambiance. Runtime: 50 hours
InnoGear Ceramic Diffuser: Stylish vase design doubles as decor. Waterless safety. Best for small spaces
Pair with treatments like BestAir Bacteriostatic to prevent bacteria.
Budget under $60? VUL520 fits. Need smart features? Go LEVOIT.
Enhance cleaning with filters like AprilAire Water Panels.
Transform your space:
Yes, its wide tank opening allows thorough wiping in under 5 minutes. Use vinegar weekly to combat minerals—no disassembly needed.
No, it's not designed for oils. Opt for diffusers like InnoGear.
Around 65dB—noticeable. Use low (40dB) for bedrooms.
24 hours low, 8-10 hours high. Refill daily for heavy use.
Cool mist is gentle, but supervise and clean regularly to avoid bacteria.
LEVOIT wins for coverage and quietness; VUL520 for budget simplicity.
Word count: ~1520. Ready for dry air battles?
