To contact Harbor Breeze customer service, customers can call the manufacturer, Fanim Industries, at 1-888-434-3797 between 8:00 AM and 5:00 PM or the parent company, Litex, at 1-800-527-1292 between 8:30 AM and 5:00 PM Monday through Friday. Customers should have the model number of their fan ready when they make the call.