Answer to: Running hot, fans blowing too much? - MBA 13 (2011) - 256gb i5 1.7Killing Flash has proved to be the answer for me as well. Every time my fan comes on, I can almost guarantee it's because I've left a web page open that is running some dumb flash banner in the background. After I close that window, the fan turns off within minutes...! I've recently started using the "FlashFrozen" App (downloaded from the Mac App store), and that's been working great.