I'm afraid it's not possible to create a room that disables chat in HipChat at this moment. However, I can see that there's a similar feature request raised before at:
I would suggest you Vote and Watch the feature request so that you'll receive an update when it is accepted in the future.
All good things come to an end - thanks to all our customers and partners who have been along the Hipchat and Stride journey with us. As of Feb 15th 2019, Hipchat Cloud and Stride have reached ...
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