Carbon monoxide gas leak from the stove, we were already a few days into our stay when we noticed we were feeling dizzy, sick and tired and one of us pointed out a faint smell of gas and we realized it was carbon monoxide poisoning. We went outside and called 911, Two firetrucks came and then called a gas company, when the gas company arrived their reaction was “oh sh**!” when they realized TWO of the burners had been leaking gas the whole stay. they immediately shut off the gas valve and disconnect the stove and told us to not use it at all and air out the place. Our symptoms of carbon monoxide poisoning later went away. When we told the host their reaction was “oh wow” and came to look at the warning that the gas company left. they offered to let us stay at a different airbnb with a stove but we were already nearing the end of our stay and it would’ve been a further inconvenience. we asked for a refund and were offered 50%, other than that the place had great air conditioning, good shower pressure and a good tv. we saw a few bugs, but we were able to check out late and given the ability to check in early. couch was comfy. kinda far from the subway. The lock on the door was difficult to use, it took us a few tries each time we wanted to open the door because you have to pull and push it in a certain way with good timing. by the end of the trip we has gotten the hang of it. The host communicated quickly.