The answer to 'how much to replace surge protection in Chicago' is that the cost can vary significantly depending on several factors. Typically, the cost to replace a whole-home surge protector in the Chicago area can range from $200 to $500 for materials and labor.
The exact cost will depend on the type of surge protector, the complexity of the electrical system, the accessibility of the installation location, and whether any additional electrical work is required. It's essential to get local quotes from licensed electricians to get an accurate estimate for your specific situation.