There are a variety of options for operable storm windows for ventilation, - all of which have screens available.
Operating Historic One-Lite (HOL-OP)
This exterior unit is designed for Double-hung windows.
Operating Magnetic One-Lite (MOL-OP)
This interior unit is designed for double-hung windows.
Slide-A-Way (SAW-2)
This interior unit is designed for steel or aluminum casement windows.