Hvac for wharehouse/flex

[Matt Concannon]

I purchased a 40,000sq ft sports facility that does not have a/c.  The building was built in 1996.  Quality heavy steel frame construction. 20’ at the low side and 25’ at the peak.  It has typical fiberglass insulation.  Any advice on adding a/c?  Any rough idea on costs?  I do have access to a local wholesaler for the equipment.  I have access to a low cost commercial electrician(friend).   But not sure my regular handyman who installs my hvac on my residential units can handle something this big.  Any thoughts and advice would be appreciated .