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no problem Ducts do not get that hot.
LOL! Well, my concern is...if the metal duct gets hot from the air when the furnace is on...would there be any heat transfer/fire issues if there is a flexible duct laying right on top of and/or touching the metal duct?
Nope...it's aluminum. This is for a basement bathroom that will get more sink & potty use than shower use.Are you thinking of using those plastic flexible ducts?
Moisture too, since this is what the fan is designed for. Now it CT we are required by code to use a timed switch for the fan and it needs to be tied to the light so it will always get used.A nice extra is a timer switch. Smell will linger in the room after you leave, so it's nice to have the fan running an extra 5 minutes or so after to clear out the odor.
Of course it's not necessary if you can remember to come back later and turn off the fan.![]()