Dear FlyingT, Thanks very much for your stayed in Crowne Plaza Shanghai. Regarding the air-conditioning issue, please rest assured that our Engineering department is following up with inspection and corrective actions. In order to offer guests warmer living experience, we are constantly updating and improving the facilities and equipment. Moreover, hotel is launching refurbishment again to enhance film elements in public areas, including lobby, lobby lounge, public corridors, all day dinning as well as certain guestrooms from 2018. In this process, there may be some details was not perfect. We are very willing to listen to your valuable suggestions and timely to improve the shortage place. Hope your next arrival would be an ever-lasting memory full of delight. Have a nice day. Your sincerely, Olive Zhu Marketing & Communications Manager