GAW CEO Josh has claimed that the photos they released of their warehouse is actually one of their functioning data centers.

Here is the link on hashtalk.org:

https://hashtalk.org/t/vaultbeakers-come-early/7605/155

Honestly this is very plausible. I've read numerous articles that discuss bitcoin mining in data centers and how they are designed using air displacement as opposed to traditional cooling. Here is an example of this:

http://www.datacenterknowledge.com/archives/2014/08/01/bitfury-asic-maker-builds-20mw-bitcoin-mining-data-center/