I know so already are hanging in their homes, others thinking about it.
This vid shows one method:
I'm sure there are an almost infinite number of methods but this method was simple/quick and works for me.
The steel plate in the bathroom will someday get a decorative shroud, then again maybe not!
The outside plate in my case because of the hardyboard could have been much much smaller and it could have been 'squared' up a bit, but where I live no one cares about aesthetics except two cats.
Anyway, thinking this might help with ideas or motivation. The install took about 40 min's.