Originally Posted by qball

Many of the DAL 320s are over 20 years old. We put a thermometer at the rudder pedals with the cockpit temp cranked as high as it would go. The temp at the rudder pedals was about 50 degrees. After a few hours of that your feet will be very cold. There is a blank switch area just below the PFD/ND dials that I'm told was the electric floor heat option that we did not order. Don't know if other 320s have that option installed. At least with all the vents open on our older planes the cockpit db is almost 90. Just as loud at the gate as it is in cruise.