I've an app that relies heavily on timers, when I leave the app running on debug (for hours), it wouldn't affect energy usage thus no fan noise is heard, but as soon as I publish the app for release and then run the app, you can hear the fans 10 meters away! why the difference? I don't have any specific conditions on different build configurations!
I was wondering whether it has something to do with the debugger, e.g. lower the fans on debug