Contact Information Telephone 770-592-2605 FAX 770-592-1539 Postal address Ammonia Refrigeration Engineering and Safety Co. PO Box 1946 Kennesaw GA 30144-1946 E-mail Director of Engineering: rcurtis@coldprofessionals.com Engineering & Safety: mcurtis@coldprofessionals.com Customer Support: customersupport@coldprofessionals.com