The highest fan speed on my late-2010 MacBook Air is 6500 rpm. In a hotter room, the fan will need to run faster. The room temperature will affect how fast the fan will need to run to keep the MacBook Air cool.
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The fan then runs faster to keep the Mac cool. When the MacBook Air is busy it generates more heat. Some people, in a very quiet room, with very sensitive hearing, may be able to hear the fan at the minimum speed. If you put one ear to the keyboard, you can hear the fan. On my late-2010 MacBook Air 11 inch, the minimum speed is 2000 revolutions per minute (rpm).Īt this minimum fan speed, during use, the fan can’t be heard by most people. The fan runs at or above a minimum speed while the MacBook Air is running. The MacBook Air fan runs constantly by design. The exhaust port is behind the keyword, at the screen hinge.
The fan’s job is to keep the MacBook Air’s chips from overheating by pushing hot air out the exhaust port. The MacBook Air has one fan inside it, at least in the late-2010 & mid-2011 models. (Thanks to Rajulun for sharing this view with Mac Crazy – you are a star!) MacBook Air Fan Noiseįirst, lets start with a bit of background of why the MacBook Air get hot and why it has a fan.
Here’s a video a Mac Crazy user sent in of watching video online with his MacBook Air i5 13 inch. This article addresses fan noise and heat issues with the current MacBook Air 2011 / 2012 models, released mid-July 2011.
What causes these heat issues? What’s the fix? Does it affect the i5 model as well as the more powerful i7? There’s been a number of complaints in forums about MacBook Air heat problems and fan noise or fan running constantly.
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