Thanks for the advice, but we have independent study and plan to support risk management for this as well. And the current server room we are user package type (Tower) it can work as well, not a problem.
1. Easy to install and maintain.
2. Cooling fast because there is a diameter of the large fan blades that is the strong wind (new server room long 6 m.).
And Khun Nid, also confirmed to have that select Package type (Tower) for air conditioners. For the lost space. We have no worry, because we have a space in the fairly wide.
Therefore. We would like to confirm to select a package type (Tower) air conditioners, as confirmed previously.