The answer to 'smoke detector installation cost' is that the typical cost to install a smoke detector in a home can vary widely depending on several factors. Generally, the cost can range from a simple DIY installation for $20-$50 to a professional installation for $100-$300 or more.
Some key factors that influence the cost include the type of smoke detector (hardwired vs battery-powered), the number of detectors needed, accessibility of the installation location, and whether any additional electrical work is required. Professional installation by a licensed electrician is often recommended to ensure proper and safe installation.