I'm going to rebuild the hole in the room and install air conditioning. Will the property

Re-drilling through-wall holes to install air conditioners, as long as it is not drilling through-wall holes in the weighing wall of the building, it has nothing to do with the property management company.

However, it is best to contact the property management company to determine the weighing wall structure of the building before re-punching, so as to avoid hitting the steel bars in the building wall.