Having your chimney swept and inspected regularly improves the air quality in your home, and is  important to the prevention hazards that can arise from creosote build-up, obstructions or cracks.   It is  recommended to have a regular yearly check of your chimney.  Call 2^nd Generation Chimneys in Minnesota at 612-922-9600 and to learn more about all of their services at www.2ndgenerationchimneys.com .