The answer to 'cost to install carbon monoxide detector in Illinois' is that the cost can vary widely depending on several factors. Generally, professional installation of a basic carbon monoxide (CO) detector can range from $50 to $200 per unit, including the cost of the device and labor. The exact price will depend on the type of detector, the complexity of the installation, and whether any electrical work is required.
Factors that can influence the cost include the location of the home, the accessibility of the installation site, and whether the detector needs to be hardwired or can be plugged into an outlet. DIY installation of a plug-in CO detector may cost as little as $20-$50 for the device itself, but it's important to ensure proper placement and functionality.