I ve replaced lots of this style broan fan and they are very popular.
Exhaust fan without attic access.
Once all this is done take hvac tape or a clamp and attach the duct connector.
Then just patch the access hole.
Another thing you ll want to do is to make sure you have the ability to mount.
Determine where the ceiling joists are and do not cut into the joists for any reason.
Since your fan doesn t have attic access it should then vent through your house sidewall.
Evaluate the electrical options.
Then cut an access hole in the ceiling right next to the wall where you can cut the exhaust hole in the sidewall.
Attach the duct connector to the duct.
However it is not a big deal.
Video tutorial on how to replace your bathroom exhaust fan in 5 minutes or less.
Another option is to locate the fan hole between two ceiling joists.
The best way to proceed with a bathroom fan installation with no attic is to run the venting duct between the ceiling joists and through a nearby exterior wall.
If you are searching for some ways to follow to replace your bathroom.
Not having attic access seems problematic to some people.
Installing a bathroom fan without attic access mounting your new bathroom exhaust fan.
You don t need to worry about attic access.
Because you can do everything related to replacement underside.