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Portable air conditioning air ventilation? - portable breast exam costume

Is I bought a portable air conditioner for bedroom.my my question, there is a danger by the exhaust of the chimney for my chest? is the same as with a hot gas of a fire, in principle, is not it?

inside the house is fully operational and has recently turned fine.i works have been identified in this way and it works very well because obviously rises.i of hot air, if there is any danger or risk to do so than through the window ? That means a bad smoke, etc.