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.
The EPA does not recommend that air ducts be cleaned routinely, but only as needed â such as when mold, pests or excessive debris clutter the system. In an online poll, 13 percent of Angie's List members said they have their ducts cleaned routinely, but 60 percent do so only if serious problems develop.