Effective January 1, 2011 you are required to have at least one Carbon Monoxide detector in each home near every bedroom.  Multi-story houses or houses where the bedrooms are not located adjacently, may need more than one Carbon Monoxide Detector. Reference the link and summary below for more detailed info about the new law. http://www.car.org/legal/disclosure-folder/carbon-monoxide-detectors/?view=Print&url=h […]