Control Intel Mac fans to make them run cooler.
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 your minimum fan speed to make your Intel Mac run cooler. However in order not to damage your machines smcFanControl doesn't let you set minimum speed to a value below Apple's defaults.
Updated on Oct 17 2016
Note: Now requires OS X 10.7 or later