How can someone with emphysema deal with air that is too cold?

Pre-medicate: The emphysema, by itself, does not generally have a problem with the cold air. I suspect that the issue in your case is a component of reactive airway disease. You can manage this by taking a dose of your albuterol or xopenex (levalbuterol) inhaler 10 to 15 minutes before going outdoors. See if that helps, and discuss with your doctor.

Scarf: In cooler weather make it a habit to wear a scarf that can be pulled up over the nose and mouth creating a pocket of warm air. Cold weather masks are also available, but not nearly as stylish! using your rescue inhaler prior to exposure also may help.