no bananaAir quality in there isn't too good
JimmyeatsausageIf the house is old enough, it might be an old coal shoot for a boiler in the basement. Lived in an old farmhouse for a bit that had one of these
*coal chute
Thank you… I knew it wasn’t “shoot” but no other spelling looked right
From French chute, fall, see also parachute, “protect against falling”.