Evaluate the electrical options.
Exhaust fan without attic access.
I ve replaced lots of this style broan fan and they are very popular.
You don t need to worry about attic access.
However it is not a big deal.
Since your fan doesn t have attic access it should then vent through your house sidewall.
Determine where the ceiling joists are and do not cut into the joists for any reason.
For this reason they ask how to replace a bathroom exhaust fan without attic access.
The vents which run through the sidewall of the building should be installed during the house s construction period so that you re able to establish a proper exhaust route.
Then just patch the access hole.
Attach the duct connector to the duct.
Video tutorial on how to replace your bathroom exhaust fan in 5 minutes or less.
Because you can do everything related to replacement underside.
If you are searching for some ways to follow to replace your bathroom.
Another option is to locate the fan hole between two ceiling joists.
Not having attic access seems problematic to some people.
Once all this is done take hvac tape or a clamp and attach the duct connector.
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.
Then cut an access hole in the ceiling right next to the wall where you can cut the exhaust hole in the sidewall.