Strange Sounds: Scraping or fluttering noises coming in the chimney could suggest an animal nesting within, which is a common explanation for blockages and will be taken out professionally. Test outside the house to be sure that equally air and any remaining lint are blowing out with the vent prior https://www.google.com/maps/d/edit?mid=1jjXSq8gw8QSE7BOu9Py2t25mQ1oCHYU&usp=sharing