Can my window air conditioner poison me if it breaks?”
Below are a couple of websites that talk about the common refrigerant used in window units. As long as the area is ventilated, you both should be OK. Clothes, furniture, and carpet can be cleaned without a class 5 biohazard full body suit. You should avoid breathing concentrated fumes for long periods, but a small exposure in a well ventilated area should not cause poisoning.
