Prompt and Professional ServiceOffice: (630) 857-3631Toll Free: (866) 713-3396Email: [email protected]: 566 W 5th Ave Naperville, IL 60563Hours of OperationMonday – Friday: 7:30 a.m. – 4:30 p.m.Chimney caps also assist avert downdrafts from windy situations and halt sparks from floating out of flue and onto your roof. Chimney Caps