No overheating issues so far for the RevPi. There is also a Raspi installed in the kiosk for the LED display control with no heatsink.
We have used polycarbonate enclosures instead of steel for better heat dissipation and it has also a thermostat controlled fan.

Sharing to you our Revpi +DIO for our container terminal gate kiosk and gate control. It's now 3 years old and still no known issues or downtime for revpi even in the harsh saudi weather. Software : NodeRed is used for integration and control Hardware integration: RFID Reader Barcode Reader DIO Ultr...