Many organizations are taking steps to improve airflow management (AFM) in their computer rooms. They may be motivated by a desire to improve IT equipment intake air temperatures and the reliability of equipment, increase cooling capacity, or reduce operating costs. Managing airflow at the aisle level is essential to achieving these goals. While any AFM improvement in the computer room will enable decreased energy usage (and associated energy costs) and increased utilization at the rack and row level, the prudent choice depends on many factors, such as room configuration, cabinet densities, and business case; there is no “one solution fits all.” Unit now however, the options available to data center managers and designers have been limited.