I have a gas dryer and live in a coop building. I have been told I can keep my gas dryer, but that it must be vented via a window that does not open. Does anyone know if this is a code regulation? How ...

We have a gas-powered washer/dryer (a one-unit stacking set) that vents to our basement. Our bathroom contractor told us this might be dangerous because anything gas-powered lets off carbon monoxide ...