Our verdict
Pick the Vornado Evap40 if you want the lower price. Pick the Levoit Superior 6000S Smart Evaporative if running cost matters.
The central trade-off
Rated area. Vornado Evap40 Humidifier: 1000 square feet; Levoit Superior 6000S Smart Evaporative Humidifier: 3,000 sq ft.
Power draw. Levoit Superior 6000S Smart Evaporative Humidifier: 30 watts; Vornado Evap40 Humidifier: 43 watts.
Price. When we checked, the Vornado Evap40 Humidifier listed for less ($150 against $250); prices move, so check both buttons.
Side by side
| Specification | Vornado Evap40 Humidifier | Levoit Superior 6000S Smart Evaporative Humidifier |
|---|---|---|
| Type | Not stated by the maker | Not stated by the maker |
| Tank | 4 gallons | Not stated by the maker |
| Run time per tank | Not stated by the maker | up to 72 hours |
| Rated area | 1000 square feet | 3,000 sq ft |
| Noise | Not stated by the maker | Not stated by the maker |
| Power draw | 43 watts | 30 watts |
| Model number | HU1-0045-65 | Not stated by the maker |
Values are the makers' published specifications. "Not stated" means the maker doesn't publish it.