Would that be more practical than cutting a 4 hole with a diamond drill.
Vent bathroom fan through brick wall.
Once you establish the center of the hole from the interior you can probably drill it from the outside in all of 5 minutes.
There is no quicker way to remove odors or moisture than a properly ducted exhaust fan.
Apply caulk around the backside of the wall cap.
Putting bath exhaust fan through brick wall.
In this video this old house general contractor tom silva explains how to vent a bathroom fan.
To remove excess moisture from your bathroom the fan needs to vent outside.
Drive nail through house wall from attic.
Hi barb wall mounted vent fans are available though they re not as common as ceiling mounted models and may be more difficult to install especially if you have a brick veneer house.
There are ductless vent fans that use a charcoal filter to remove odors but they do not remove excess moisture which is the main purpose of a bathroom vent fan.
Venting bathroom fan through brick exterior if you have any kind of connection with a plumber they should undoubtedly own a rotary hammer with a 4 5 carbide core bit.
Surprisingly enough it is not that difficult to break a hole through the brick and duct it out the side wall of the house especially if you have a rotary hammer.