A/C vs. non-A/C Dash Frame

I'm not aware of any difference in the dash frame. The controls are a different matter. The A/C controls work a vacuum manifold the controls the various doors in the A/C unit. The non-A/C controls work cables to control the doors. I think the face plate for the controls themselves is the same size. FYI 72 & earlier used pushbuttons on the A/C controls, later models use sliding levers.