Overview (3) Heidi Klum was born in Bergisch Gladbach, a small city near Cologne, Germany, in 1973. Her career as a top fashion model and swimsuit star began almost by accident when, on a lark, she submitted photos to a model competition hosted by Petra, a young woman's magazine.
The National Air Duct Cleaners Association recommends getting your air ducts cleaned every three to five years. Ed Mack, owner of Air Duct Professionals in Lake Elsinore, California, says homeowners should consider doing it every two to five years, depending on their circumstances.
When to clean your air ducts. The Environmental Protection Agency recommends cleaning air ducts when: â¢ You suspect mold exists in the air ducts. â¢ You notice a vermin infestation somewhere in the home, or you see insects or rodents entering or exiting ductwork.