Issues with Mainboard cooling 5v regulator failed

I am forced to keep my printer in a florida sunroom which leads to overheating in the summer which I’m currently dealing with now. So the main boards internal 24v to 5v IC regulator failed. I’m currently waiting on a separate buck converter which I’ll be soldering inline on the board to fix the issue and I’ve slapped heat sinks on every relevant component and chip that might need it. Does anyone have any suggestions to upgrade my cooling system besides the electronics bay cover designed for multiple 4010 fans? I’m looking into upgrading the mcu fans anyways.