While waiting for my Amazon order to arrive, I designed a mount to contain the hardware and hold it to the ceiling:

You can download STL files for 3D printing and IPT files for editing with Autodesk Inventor from the project files. There is a version with holes for a fan on the front (modeled after the cooling fan from a Dell PowerConnect switch), however, I do not have a fan that the ESP8266 can power, so I created a version with passive air vents on that side as well.