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.
What are fireplace inserts? A fireplace insert is a wood stove designed to fit inside an existing fireplace. It functions just as a wood stove does and should be EPA-certified. And just as there are gas and pellet stoves, there are gas and pellet fireplace inserts that burn cleaner and more efficiently. Top of page.