I understand what you're getting at, but having 1-4 vents pointed at the front of your body is not the same as having the cabin air at a particular temperature.

I understand what you're getting at, but having 1-4 vents pointed at the front of your body is not the same as having the cabin air at a particular temperature. Neither is having air blowing on your front side the same as having air swirling about your entire body.