Home » Carel USA LLC Carel USA LLC July 25, 2006 Reprints No Comments Carel USA LLC provides information about its line of industrial and commercial humidifiers and OEM controls at www.carelusa.com/. Related Directories Carel USA LLC 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.