The answer to 'how much does carbon monoxide detector cost' is that the typical price range for a carbon monoxide detector for a home can vary quite a bit, but generally falls between $20 to $100 depending on the features and quality. Factors that affect the cost include the type of sensor technology, whether it's a plug-in or battery-powered model, and if it has additional features like digital displays, smart home integration, or multiple sensors.
It's important to get local quotes from electricians or home improvement stores to understand the specific pricing in your area, as costs can differ based on your location and the retailer or installer. While basic detectors are affordable, investing in a higher-quality model with more advanced features may be worthwhile for many homeowners to ensure their family's safety.