This report discusses US demand for consumer air cleaning systems (at the manufacturers' level) for the years 2002 and 2007, with forecasts for 2012. Topics covered include product segmentation, air cleaning technologies, replacement filters, environmental and regulatory considerations, product development, marketing and distribution, market environment, product forecasts, industry composition and leading participants. Product segments cover portable air cleaning systems (including conventional filtration, electrostatic and other portable air cleaning systems) and whole-house air cleaning systems. This 17 page report also includes a highlights summary and a resources section.