I use SMC Fan Control to kick up the fans before the system get's too hot Macs Fan Control Download for macOS & Windows (Boot Camp This could harmful if you are doing intense work or gaming in a hot location. Apple likes their computers quite so they leave the fans off for as long as possible.
Software solution to noise problems such as those caused by iMac HDD replacement, or overheating problems like those found on a MacBook Pr Update: This trick still works with MacOS High Sierra and Mojave 10.14+.
The authors are not liable for data loss, damages, profit loss or any other types of losses connected with the use or misuse of the program Macs Fan Control allows you to monitor and control almost any aspect of your computer's fans, with support for controlling fan speed, temperature sensors pane, menu-bar icon, and autostart with system option. Mac OS X 10.6 Snow Leopard This program is for advanced users who know how to use it without doing harm to their macs.
