The answer to 'surge protector installation cost in Illinois' is that the cost can vary significantly depending on several factors. Typically, the cost for a professional to install a basic whole-home surge protector in Illinois ranges from $200 to $500, including the cost of the surge protector device itself. However, the final price can be influenced by the complexity of the electrical system, the accessibility of the installation location, and whether any additional electrical work is required.
It's important to note that surge protector installation is a job best left to licensed and experienced electrical professionals. Attempting to install a surge protector yourself without the proper knowledge and tools can be dangerous and may not provide the level of protection your home requires.