Best Smoke and Carbon Monoxide Detectors of 2025

That’s why we put dozens of models to the test. In our lab, we expose CO detectors to low CO levels (100 parts per million) and high CO levels (400 ppm) to see how quickly and accurately they detect the colorless, odorless gas. For models that display or announce specific CO levels, we check the…

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Best Infant Car Seats of 2025, Lab-Tested and Reviewed

“Based on almost 1,000 individual car seat installations and nearly 130 crash tests, CR’s infant car seat ratings represent a comprehensive and rigorous program that allows us to make distinctions between the car seat models and clear recommendations,” says Michael Bloch, who oversees child seat testing at Consumer Reports’ Auto Test Center. “They show the…

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