Air Zone International Customer Service Department believes that serving each other is our mission. We strive to provide excellent service by recognizing your needs in an ever-changing world. We are available Monday-Friday from 8 a.m. to 5 p.m. CST to help locate your local authorized distributor and answer your questions about Air Zone International lines and programs available through your distributor. If you have a comment or question, feel free to contact us in the manner that is convenient to you.