FYI Price Increase For The Week: 04/04/2005 March 31, 2005 AAON Inc. (Tulsa, Okla.) announced a price increase of up to 5 percent on certain models of rooftop products. The increase is effective immediately. Publication date: 04/04/2005 Share This Story You must login or register in order to post a comment. Report Abusive Comment Thank you for helping us to improve our forums. Is this comment offensive? Please tell us why.