Preferred Series Bypass Humidifier (Best)

Moisture Control

Quiet Level

Energy Efficiency

- Powered by furnace fan
- Front access door
- Low-noise operation
- Durable cover
- Solenoid valve and water distribution system
- AC/DC circuit board
- Small or large capacity models available
- Evolution® Control, Humidistat, Humiditrac™ and Th
- 5-year limited warranty on parts
Preferred Series Bypass Humidifier (Better)

Moisture Control

Quiet Level

Energy Efficiency

- Powered by furnace fan
- Front access door
- Low-noise operation
- Durable cover
- Solenoid valve and water distribution system
- AC/DC circuit board
- Small or large capacity models available
- Evolution® Control, Humidistat, Humiditrac™ and Th
- 5-year limited warranty on parts






