CR's testers say these models from First Alert and Kidde are great at protecting you and your loved ones from harmCR's engineers use high flames to see whether smoke detectors respond

"If a State Fire Marshall cannot tell the difference between these detectors, how can I be expected to?" the daycare owner told families.

A Kittery child care center where nearly a dozen people were treated for carbon monoxide poisoning last week did not have a working carbon monoxide detector.

A report from the state fire marshal's office sent to parents shows Building Blocks Learning Center had several violations, including a lack of carbon monoxide detectors and fire extinguishers.