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Message: <blockquote data-quote="MacInWin" data-source="post: 1835453" data-attributes="member: 396914">Generally the setup by Apple as default should be sufficient. There isn't really any need to be more aggressive than that. However, if you use Macs Fan Control and set it higher, I don't think it will impact the fans that badly. The Mac will respond when the heat gets high enough to trigger it. The area you are touching is the hottest area because just under that area is the power board and, I think, the GPU, so that's where the heat is. You really cannot judge by touching the case that well. I just measured my MBP in that area with a sensing thermometer and it's running at 100F (37.8C).Just out of curiosity, how much CPU % does Activity Monitor say is being used? That's what generates the heat.</blockquote>