You should immediately see that it needs to be able to read sensor values and send signals to fans sensor chip makers are really secretive about how to address them, and hardware makers do their own shonky stuff, but if your particular sensor/fan configuration has been reverse-engineered enough that it works with lm-sensors then fancontrol will work well. This is a simple service that reads values from your temperature sensors, looks up your preferences from a text file, then sends a signal to your fans. In the absence of that, or if the hardware fan curves aren't to your liking, you can have software control of your fans with the appropriately-named fancontrol. Download MSI Afterburner - MSI Afterburner is an overclocking utility that works with all graphics cards. If youre using Windows Boot Camp on your Mac, you can still use this software to control your MacBooks fan speed. If your computer came with Windows, and the manufacturer has some application to harvest that sweet, sweet, user data that they want to encourage you to use, then they may have turned off hardware control by default, but if they aren't too user-hostile there will be a way to turn it on in your UEFI setup. Macs Fan Control has a straightforward user interface that lets you control your Macs fan speed and monitor CPU temperature. The best way to control the fans is to have the hardware do it.

Msi fan speed control