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Smarter Smoke Alarms

All fire alarms work the same way, right? Not exactly. Here are two new models that take detection to a higher level—in different ways and with different price tags

Deborah BaldwinThis Old House magazine

Photo: Andrew McCaul

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Comes with three 10-year lithium batteries sealed to prevent tampering. After 10  years, it chirps every 30 to 45 seconds to warn that the unit needs replacing.
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Smarter Smoke Alarms

All fire alarms work the same way, right? Not exactly. Here are two new models that take detection to a higher level—in different ways and with different price tags

Contribute to This Story Below

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Home Inspection Nightmares I

13 Ways to Allergy-Proof Your Home

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Home Inspection Nightmares I

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