The History and Evolution of Duct Cleaning in Ottawa
Duct cleaning has always been a necessary service that people have used since the introduction of modern duct systems. The systems we use commenced with the creation of flues and chimneys used by the Chinese and Greek in the seventh century. They helped to hold a building’s heat without filling it with smoke, but the first recorded crucial heating came from the Romans. around 300 B.C. The Romans used a chain of vertical tubes under a tiled ground to warm a room.