Working great, it's a 450 CFM and with the 25' isulated duct there almost no noise outside.
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Working great, it's a 450 CFM and with the 25' isulated duct there almost no noise outside.
Nice, wasnt sure about the insulated or regular ducting. I take it you would recommend the insulated.
I'm not really sure it change really a lot... the isulation in on the outside of the duct... so it's more not to have the heat to diffuse to the exterior (the room), this is only my opinion... there are some muffler out there for these fan.