Do they pay attention to temperature with any granularity? "Cold aisle temperature" is not a single number; it varies. If it *doesn't* vary, they're either REALLY good (unlikely) or spending too much on cooling and charging you too much. Field Guide to Datacenter Temperature Monitoring: http://www.sensatronics.com/index.php/support/library/265.html 5% off from the Engineering department, use this code: ENG09 (expires Jan 1 2010)

This is clearly bad software design. The access card identifies you, and likely knows your weight within 10%.

Field Guide to Datacenter Temperature Monitoring:
http://www.sensatronics.com/index.php/support/library/265.html