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Smoke alarms sense smoke well before you can, alerting you to danger. In the event of a fire, you may have as little as 2 minutes to escape safely. That’s why smoke alarms need to be in every bedroom, outside of sleeping areas (like a hallway), and on each level of your home, including the basement.
Carbon monoxide is an odorless, colorless gas that displaces oxygen in your body and brain and can render you unconscious before you even realize it. Without vital oxygen, you are at risk of death from carbon monoxide poisoning in a short time. CO alarms detect the presence of carbon monoxide and alert you so you can get out, call 9-1-1, and let the professionals check your home.
Choose a carbon monoxide alarm listed with a testing laboratory, meaning it has met specific standards for protection. Whether you select a unit that requires yearly changing of batteries or one you change at the end of the 10 years, either will provide you with protection.
CO alarms also have a battery backup. For the best protection, use combination smoke and carbon monoxide alarms that are interconnected throughout the home. These can be installed by a qualified electrician so that when one sounds, they all sound. This ensures you can hear the alarm no matter where you are in your home.