The answer to 'how much to replace surge protector in Chicago' is that the cost can vary widely depending on several factors. Typically, replacing a basic whole-home surge protector in the Chicago area can range from $100 to $300, including labor and materials. The exact price will depend on the type of surge protector, the complexity of the installation, and whether you hire a professional electrician or do it yourself.
Factors that can affect the cost include the size and power capacity of the surge protector, the accessibility of the electrical panel, and any additional wiring or upgrades needed. Professional installation by a licensed electrician may cost more, but can ensure the job is done safely and to code. For the most accurate pricing, it's best to get multiple quotes from local electrical contractors in the Chicago area.