Find out which CO alarm and smoke alarm top our list.

Consumer Reports has the latest alerts on smoke alarms and carbon monoxide alarms. We test, we evaluate, we compare — so you don’t have to.

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You can trust our Expert Ratings on CO & smoke alarms.

Consumer Reports testing experts work for you the consumer. Each year we buy hundreds of mattresses, gas grills, snow blowers, many other home products and test them in our labs, resulting in product reviews that you can trust. So before you shop for your new CO and smoke alarm, be sure to check our Ratings.

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