The new Smart Fan Control by GE is nice for ZWave. You can set your fan at any percentage fan speed.
I love it.
http://www.amazon.com/GE-12730-Z-Wave-Smart-Control/dp/B00PYMGVVQ/ref=sr_1_1?ie=UTF8&qid=1456288684&sr=8-1&keywords=ge+smart+fan+control
Nothing to do with MySensors but a very nice addition.