You don t need to worry about attic access.
How to replace bathroom fan housing without attic access.
The first and most important thing is to determine the fan size as well as the fan duct size.
There will usually be a few screws connecting the fan housing to the ceiling joists.
Mark the size of the ezfit fan housing using the template.
If you don t see screws the cover probably just snaps in place.
An adjustable metal bracket may also be screwed into the ceiling joists and the fan housing secured to the bracket.
Insert the ezfit fan housing in the ceiling.
If so take a screwdriver and unscrew them to remove the old fan cover.
All you have to do is take off the fan cover and get the exact measurements of the exhaust fan housing.
Turn off the breaker box.
You might have to remove a few screws to get it out.
Remove the grill cover.
When you re installing the bathroom fan into a ceiling below another floor your new fan won t simply slide into a size for size opening.
Because you can do everything related to replacement underside.
Remove your old exhaust fan.
Use a circuit tester to ensure that the power is turned off.
Take a look at the part of the fan you can see on your bathroom ceiling.
Remove the old vent fan and housing.
Measure the fan housing and duct.
Some fan covers with be held in place with screws.
Remove the old fan s cover.
Not having attic access seems problematic to some people.
However it is not a big deal.
You must cut the hole bigger to allow the protruding parts of the housing to make it through the cutout.
Cut out the opening for the ezfit fan.
Replacing the exhaust fan without attic access.
Unless you are installing the same model bathroom fan the old housing will very likely need to be removed.