MacFn - smcFanControl controls the fans of every Intel Mac to make it run cooler. smcFanControl lets the user set the minimum speed of the build in fans. So you can increase
Adjust your Mac fan speed with smcFanControl | Techie Corner
Howto Guide: Uninstall smcFanControl for Mac
SmcFanControl lets users adjust fan speeds in Intel Macs | TechPowerUp
vowe dot net :: Cool down your MacBook or MacBook Pro