Previous link was for wall-mounted fans. I think the sub-unit has two roof fans, so 2 * 16K CFM 36 inch fans would do the job. eg http://www.industrialfansdirect.com/IND-FA-R-TXB/SP-TXB36RHULWH3S.html
From: "Alan Fletcher" <a...@well.com> To: "vortex-l" <vortex-l@eskimo.com> Sent: Saturday, May 21, 2016 12:21:04 PM Subject: Re: [Vo]:1 MW of heat in a 6,500 sq. ft. facility without industrial ventilation would be fatal Correction ... the photos on that page were lower CFM ... 36 to 42 inch diameter, not so teeny tiny. eg http://www.industrialfansdirect.com/IND-FA-EF-PM-A/LFI-ADD36T11000B.html 30K CFM, 36 inch From: "Alan Fletcher" <a...@well.com> That's a teeny tiny little fan! http://www.industrialfansdirect.com/wall-ventilation.html?&gclid=CIb8x7zb68wCFQEJaQodk4AMnQ