How do i contact häfele customer service? Häfele U.S. Sales and Service Phone: 800.423.3531 Häfele Caribbean Sales and Service Phone: 800.325.6209What does häfele do? About Häfele Häfele is an international company providing hardware and fitting systems and electronic access control systems. Around the world, customers from the furniture industry, dealers, joiners and cabinet makers, as well as architects, planners and builders all rely on Häfele's expertise and performance.How do i contact a häfele estimator? Email: [email protected] Please fill in the following fields and a Häfele Estimator will contact you to provide advice concerning your request.