No,no. We need MORE A/C. Just open up all of the windows. If we all did this and ran them 24/7 it surely should lower the temperature outside.
The laws of thermodynamics disagree with you unless you can somehow dump all that excess kinetic energy into space somehow.....
Then I would be all for it.
That'll be the next big scare-und-fascist-Putsch: Global Entropy Increase. No, make that Universal Entropy Increase.
And it has to be stopped NOW!!! Or were' all gonna DIE! The German climate scientists (well, OK, actually physicists) saw this already a hundred fifty years ago; they even had a word for it: Wärmetod.