Cold Supply Infiltration Index (CSI) Quantifies the amount of hot air mixing with cold inlet air prior to entering the rack. By Artur Bobinski|2026-08-30T21:58:00-04:00August 30, 2026|Comments Off on Cold Supply Infiltration Index (CSI) Share This Story, Choose Your Platform! FacebookXRedditLinkedInWhatsAppTelegramTumblrPinterestVkXingEmail About the Author: Artur Bobinski