Product review (4 stars): Noisy!  but OK.
This fan runs above 80db and even though it is 4 speed, there is not much difference to the speeds. It is too noisy, even on the quiet setting.  We installed it just fine and we don't use it very much, due to the noise.  It is just what it says it is except for the Decibel levels.  We did have to buy a cord but that was easy. It comes with zero installation screws (safety you know!); we made a template to mark the mounting screws and power cable holes.  That helped a lot.  You should have two people to install it.