Although Chicago is known as the Windy City, it is in fact less windy than many other major American cities. Average wind speeds range from 8 miles per hour (13 km/h) in late summer to 12 miles per hour (19 km/h) in spring months.
A flue is a duct, pipe, or opening in a chimney for conveying exhaust gases from a fireplace, furnace, water heater, boiler, or generator to the outdoors.
A hearth is a brick-or stone-lined fireplace or stove that is often used for cooking. A hearth can also be defined as the stone or brick floor of a fireplace. hearth is a brick-or stone-lined fireplace or stove that is often used for cooking. A hearth can also be defined as the brick or stone floor of a fireplace. It sometimes extends onto the floor of a room.