Carbon Monoxide Detector
$15
Estimated value as of 2026 · HomeGuide cost guide and Consumer Reports (adjusted for standalone basic household models)
A carbon monoxide detector is a household safety device that monitors for dangerous levels of carbon monoxide gas and sounds an alarm if detected.
Fun fact Basic models cost as low as $10, while advanced combination smoke/CO detectors average around $65 for top-rated options.
home-safetydetectorhouseholdco-alarmsafety-device
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