A gelatin capsule drying system that includes a structure divided into first, second and third zones, a first air handler unit positioned to discharge air into the first zone, a second air handler unit positioned to discharge air into the second zone and a third air handler unit positioned to discharge air into the third zone. The system further includes a series of tumble dryers that extend from the first zone, through the second zone and into the third zone, and an HVAC unit that provides air to the first, second and third air handler units.
