An anti-downdraught chimney cowl is a vital accessory for any chimney system, designed to prevent downdrafts and improve the overall performance of your fireplace or stove. Downdrafts occur when outside air flows back down the chimney, causing smoke and fumes to enter the home. In this article, we will explore the benefits, features, and installation process of anti-downdraught chimney cowl providing you with all the information needed to make an informed decision.