Install fans for adequate air circulation in the kitchen
Windows are a great source of light and natural ventilation; however a range hood or Energy-Star rated exhaust fan in the kitchen with sufficient speed to circulate air and reduce moisture build-up is an important part of maintaining an efficient and healthy indoor environment.
http://www.epa.gov/iaq/homes/hip-ventilation.html
http://www.aivc.org/frameset/frameset.html?../Publications/literature_lists/litlist27.html~mainFrame