Good, motor hum is very quiet but has a rustling/turbulent signature from the flow of air. I struggled to find what four black plastic tabs were for, there was no mention of them in the manual. They’re for covering the locking screws to keep debris from falling onto the cover plate from your ceiling. The duct sits a bit too low to the ceiling, it won’t clear a ceiling joist so I had to run the duct parallel to the joists. This gets a bit more tricky with the square face plate as it needs to be parallel to the walls! If the duct could have curved up to say 45 degrees, this would help with difficult fits. Alternatively, raise the impeller higher to help clear joists. If you really want to stand out, see if you can integrate a run-on timer. I figure you’ll need another flex cable so you can pick up active from another socket. I would have liked more clarity about the capacitor – I’m assuming it is a run capacitor that is not switched off when the fan is up to speed.
