Noted, now in your "standard" size room saturation goes both ways. Both gasses can be deadly especially if under a cabinet or in a utility room behind the tank and wall.
Take my risks and run my bottles, I'm a Bodyman and the one bottle that scares me is my acetylene. Unstable gas that can explode on its own if moving over 30psi, goodbye me, cars, garage, 1/4 of the house...