Kevin Fagan, Chronicle Staff Writer
The San Francisco Chronicle (California)
August 1, 2011
Now that the state has mandated that all houses have carbon monoxide detectors, California fire officials are turning their attention to complaints about another key home warning device – smoke alarms.
A growing number of safety officials in California and around the nation have been recommending that homeowners replace or at least supplement their common ionization smoke alarms with lesser-known photoelectric smoke alarms – and the state fire marshal may be about to echo that recommendation.