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Received wisdom: Don't buy combination smoke & CO detectors. Smoke rises, so detectors are best placed on or near the ceiling. CO sinks, so detectors are best

Received wisdom: Don't buy combination smoke & CO detectors. Smoke rises, so detectors are best placed on or near the ceiling. CO sinks, so detectors are best placed a few feet above the ground. Considering the importance of early notification of either condition, these requirements appear irreconcilable.

gene91 6y ago
That's a myth according to this article [1] from a well known US brand of alarms. [1] https://support.firstalert.com/s/article/Where-to-install-CO-alarms https://support.firstalert.com/s/article/Where-to-install-CO...
- quesera 6y ago
  Thank you for the correction!