The entire building is poorly air conditioned.
initially assigned room 712 but the room hot, with a wet carpet smell. They changed me to room 720 but that too was hot.
I asked reception to send over a maintenance team which took an hour to arrive. These folks were more interested in convincing me that the AC was working properly than fixing it. After a bit of back and forth, they agreed to bring a thermostat to check the temp of the air coming out of the unit. It was set at 16C on the unit, and the air temp was recorded at 23C. These folks then tried to convince me that the unit is working perfectly and tried to leave. I insisted they service it. 30 mins later, they said its now all fixed and that they were leaving. I asked if they will check the temp again but they said to wait half an hour, and call reception again if things weren't right. 30 mins passed with the room still being quite stuffy and warm, so I went to reception, and asked for another repair team. I waited another 30 mins (no one came), so I again went down to reception, and the gentleman at the desk immediately said that my room needs to be changed again. I asked him why, and he said that the original repair team said the AC was broken and can't be fixed that night. I told him that they didn't need to lie to me and gaslight me this way when they knew early on that its broken.
Anyhow changed rooms again to 909, marginally better, so made my peace with it.
TLDR:Avoid PC in summers. Go to Marriott instead.