FilterScan

http://www.AsktheBuilder.com founder, Tim Carter, discusses new technology that alerts you when it's time to change your furnace or AC air filter. Discover more home improvement tips from Tim at askthebuilder.com: http://www.askthebuilder.com/electrostatic-air-filters-cleaning-tips/ http://www.askthebuilder.com/air-filter-particle-size-chart/ http://www.askthebuilder.com/dust-control-in-homes/