When you move into or buy a new home, no one hands you a guide to how the smoke detectors work. They "chirp," which really means shriek loudly, and you occasionally have to put new batteries in them.

PITTSBURGH (KDKA) - Having a smoke alarm can be the difference between life and death in the event of a fire. Statistics show Pennsylvania usually leads the country in deadly house fires.

Add Yahoo as a preferred source to see more of our stories on Google. Properly installed smoke detectors are often the first line of defense against a house fire, keeping the homeowner informed and ...

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When you buy through our links, Business Insider may earn an affiliate commission. Learn more The best smoke detectors are a necessity for every home, quickly detecting fire, smoke, and carbon ...