The answer to 'how much does carbon monoxide detector cost' is that the price can vary significantly depending on the type, features, and brand of the detector. Typical ranges for basic carbon monoxide detectors for homes can be anywhere from $20 to $100, with more advanced models with additional sensors or smart home integration costing $100 to $200 or more.
The cost is influenced by factors like the detection technology used, the size of the area it's designed to monitor, the power source (battery or hardwired), and whether it has features like digital displays, voice alarms, or smart home connectivity. Homeowners should get local quotes from reputable electrical contractors or home improvement stores to find the right detector for their needs and budget.