EC plug fans will do to the data center industry what the ipod did to the music industry. EC plug fans are, in a word, transformative. EC plug fans provide a new means of airflow through a CRAC or CRAH unit more efficiently, more evenly, and with significantly less energy than the currently adopted scroll fans. In what will be the latest toy for data center operators, the fans will be adopted quickly and enthusiastically. This post describes how these fans work and why they are so much better.