If you are experiencing a problem with one of the many types of rooms or air quality equipment we service, or if you require our certification services for your equipment, please call us toll-free at (888) 716-9529, fax us a RFP to (678) 648-5284, or send us an e-mail at service@dixie-certification.com. You may also want to check out some common questions before you call.  Periodically we will add more frequently asked questions as they are identified.