Honestly, a good pair of headphones will remove all the fan noise, and noise in general. My wife and I both play with headphones. If it's the same game we use Teamspeak (yes, with 6 feet between us).
"'Tis true, 'tis pity, and pity 'tis 'tis true." -- Poloniouius, in Willie the Shake's _Hamlet, Prince of Darkness_