I grew tired of fogged bathroom mirrors and windows, and the mold and mildew threat such clinging moisture encourages. The solution was the QTXEN110S Humidity Sensing Bathroom Fan. I recommend going with a 6-inch duct to maximize air flow. The only oddity I encountered was the way in which you activate the fan to exhaust odors namely flip the wall switch from ON to OFF, pause for a second or two, and then flip the switch from OFF back to ON. Even with the company’s suggested two-function switch, you still have to flip a switch back and forth. If they had invested an additional fifteen bucks in design and development, they could have offered a push-button solution that would have been more elegant for such a sophisticated unit. And, yes, I would have paid the extra fifteen bucks. That one issue aside, I am very satisfied with the unit’s humidity-sensing feature, near-silent operation, and efficiency"..." Read more
- Hal The Handyman in Grass Valley, CA