Editorial Product Review:Item Description:The Honeywell Enviracaire HW628 Twindow Twin Window Fan can be adjusted to promote fluid air circulation for comfort and freshness in your room on even the most squalid days of the year. Built-in adjustable side screens Uses 110-120 Volts AC UL approved
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Buyer Reviews
Average Buyer Rating:
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Great cooling; good for exhaust too
I think the grills might occasionally sneak back into the base unit. But this does a fantastic job of blowing the cool air from the breezeway into our apartment. I'm sure the dog loves how much cooler the apartment is during the day while we're at work. And I know the wife loves the exhaust feature when I'm in the kitchen cooking. We're definitely happy with the purchase.
Customer Rating: -
Great Value for Money
Many good features for a good price. The only reason it didn't get 5 stars is the side extenders weren't long enough for wide windows and they were hard to fully extend and close.
Otherwise, a great product.
Customer Rating: 
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This fan won't let you down.
I bought this, originally for myself and then sent it to my daughter, in Washington, to use in her dorm. It works great and the options available allow you to use either one or both of the fans.
Customer Rating: -
Excellent fan
It took me awhile to get this fan because some people had commented that it was noisy or that it was not powerful enough to blow-in or exhaust air. Well, none of those are the cases. This is an amazing fan. It is so powerful that I keep it in the lowest speed setting to keep my bedroom cool and airy. The thermostat works great. While I am away, it turns on the fan automatically as needed. Thus I no longer walk into a hot stuffy room when I come home from work.
A quick rundown of its features. The unit has two fans that work independently to blow-in fresh air from outside or exhaust air from inside. The settings for each fan are low, high, supper and off.
The thermostat knob if fully turned counterclockwise will keep the fans off until the room gets exceedingly hot. On the other had, if the knob if fully turned clockwise, will keep the fans running until the room gets exceedingly cold. Somewhere in the middle is the tipping point that turns the fan on or off depending on your desire room temperature.
The fan fits nicely in the window casing. My window has a screen, and it does not get in the way of the fan.
