Determine where the ceiling joists are and do not cut into the joists for any reason.
Exhaust fan without attic access.
Video tutorial on how to replace your bathroom exhaust fan in 5 minutes or less.
You don t need to worry about 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.
Since your fan doesn t have attic access it should then vent through your house sidewall.
Another option is to locate the fan hole between two ceiling joists.
Then just patch the access hole.
Not having attic access seems problematic to some people.
The optimal location for a bathroom fan is between the toilet and the shower.
I ve replaced lots of this style broan fan and they are very popular.
Evaluate the electrical options.
Once all this is done take hvac tape or a clamp and attach the duct connector.
Another thing you ll want to do is to make sure you have the ability to mount.
If you are searching for some ways to follow to replace your bathroom.
Installing a bathroom fan without attic access mounting your new bathroom exhaust fan.
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.
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.