The answer to 'how much to replace surge protection in Illinois' is that the cost can vary widely depending on several factors. Typically, the cost to replace a whole-home surge protector in Illinois ranges from $200 to $500, including labor and materials. The exact price will depend on the type of surge protector, the size of your home, the complexity of the installation, and whether any electrical panel upgrades are needed.
It's important to work with a licensed and experienced electrical contractor to ensure the surge protector is properly installed and integrated with your home's electrical system. They can assess your needs, provide a detailed quote, and ensure the work is done safely and to code.