http://www.hotfrog.com/Companies/SUPERIOR-CHIMNEY-SERVICES-CORPORATION/RSSUpdated every minute of every dayen-usCopyright: (C) Reed Business Information.http://www.hotfrog.com/Companies/SUPERIOR-CHIMNEY-SERVICES-CORPORATION/Full-chimney-service-restoration-8753The NFPA (National Fire Protection Association) code 211 says, "Chimneys, fireplaces, and vents shall be inspected at least once a year for soundness, freedom from deposits, and correct clearances. Cleaning, maintenance, and repairs shall be done if necessary."  Annual inspection with a fireplace chimney sweep as required. This is the National safety standard!yyyy-MM-dd