Hard to answer without knowing what you have there already. Those rooms definitely need ventilation but I don’t usually see that ventilation being part of am interior door I imagine you could put on basically any solid core that fits.
Also Chicago has a history of unique and expensive antique door hardware so if your house is old you might want to do some googling of your knobs, lock sets, and hinges and either donate them to a place that deals in antique house parts or sell them online.
I made a few wooden grid boards with plexiglass tops so I can use a dry erase marker on them. I also ordered a ton of blank cards that I can use as items and status effects. Other than that players and I use pen and paper.