The fan is everything they say it is. Moves tons of air. No motor hum or noise. Stable with no wobble. When you install the fan make sure your airfoils are inserted all the way. Do not lock them down till you have all of the airfoils inserted. If you have any sort of wobble, stop the fan and reseat your airfoils. I have installed three i6 fans. 

The Alexa integration works well. When traveling home from a trip, I log in to my thermostat to lower the temperature but also turn on my fans to cool the house faster.