Quick Answer
If you want whole-room coverage with automatic humidity control, choose the UH200 ultrasonic humidifier. If you already own an EVAP40 evaporative humidifier and need a replacement bottle, the EVAP40 bottle is the straightforward accessory.
Evaporative vs Ultrasonic: The Core Difference
The EVAP40 bottle is an accessory for an evaporative humidifier, which uses a wick and fan to naturally evaporate water. These units are generally simple and quiet, but they require regular wick replacement and cleaning.
The UH200 is an ultrasonic humidifier that uses high-frequency vibrations to create a cool or warm mist. It distributes humidity throughout a room up to 900 square feet without pooling water on the floor, and its built-in humidistat automatically maintains your comfort level.
This means the UH200 is a complete, self-regulating solution, while the EVAP40 bottle is just one part of an existing system.
Room Size and Coverage
The UH200 is designed for whole-room use, covering up to 900 square feet. Its circulation system evenly distributes moisture, so you don't have to keep it right next to you.
The EVAP40 bottle is an accessory, not a standalone humidifier. Its coverage depends entirely on the evaporative unit it's attached to, which is typically smaller and more localized.
If you need to humidify a large living area or open floor plan, the UH200 is the practical choice.
Maintenance and Convenience
The UH200 features the SimpleTank® System, which makes carrying, filling, and cleaning the tank much easier. This is a key convenience if you refill your humidifier daily.
The EVAP40 bottle is a replacement part. When your original bottle wears out or cracks, this accessory keeps your existing humidifier running without buying a new unit.
However, evaporative humidifiers still require wick changes and more frequent cleaning to prevent mineral buildup, whereas the UH200's tank design simplifies routine upkeep.
How to Choose: EVAP40 Bottle vs UH200
- If you already own an EVAP40 humidifier: Buy the EVAP40 bottle as a replacement accessory to extend the life of your current unit. It's a low-cost fix compared to buying a new humidifier. Confirm your existing unit's model before ordering to ensure compatibility.
- If you're buying your first humidifier: Choose the UH200 for its whole-room coverage and automatic humidistat. It's a complete system that needs no additional parts. Consider the room size you need to cover—the UH200 handles up to 900 sq. ft.
- If you prefer minimal maintenance: The UH200's SimpleTank® System makes filling and cleaning easier than a traditional evaporative wick unit. You'll still need to clean it regularly, but the design reduces hassle. Plan a weekly cleaning routine to keep the ultrasonic mist clean and efficient.
Product Facts
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Bottle (EVAP40): The Vornado Bottle (EVAP40) is an accessory designed for use with humidifier setups, listed under the Accessories category with SKU BT3-0010-66. This is a replacement part, not a complete humidifier, so it only makes sense if you already own the EVAP40 unit.
Bottle (EVAP40)
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UH200 Ultrasonic Warm or Cool Mist Humidifier: The Vornado UH200 Ultrasonic Humidifier circulates humidity evenly throughout a room up to 900 sq. ft. without pooling water on the floor, and it has a built-in humidistat. You get automatic comfort control and wide coverage, making it a self-sufficient solution for larger spaces.
UH200 Ultrasonic Warm or Cool Mist Humidifier
Who Should Choose Which?
Best for
- The UH200 is best for anyone who needs whole-room humidity in spaces up to 900 sq. ft. and wants automatic control.
- The EVAP40 bottle is best for current EVAP40 owners who need a simple, affordable replacement part.
Not for
- The EVAP40 bottle is not for someone who doesn't already own an evaporative humidifier—it won't work alone.
- The UH200 is not for those on a tight budget; its higher price reflects its advanced features and coverage.