I have been using the WA7 for about 2 hours this morning , I am in Florida so its pretty cool right now around about 19-20c in my room.
The Temps i am getting from my Ryobi TEK4 i used to use for reptile cage installs so it's fairly accurate, are as follows
The PSU for the WA7 is at 30.5c warm to the touch but not to hot!
The Top of the unit with the glass removed is 32.7c
The metal on the top of the tubes is get,ing up to around 71.6 to hot to touch