Zetec didn't have air con as standard, I used the sell them, £350 extra or £ 500 extra for climate pack:)
I've seen one without zircon, I've got one:) mine is a 2004 zetec 3 dr in black, with 35k on it, cost me £ 4400 a year ago:) really happy with it for the money, drives well:)