The answer to 'cost to install surge protection in Illinois' is that the cost can vary significantly depending on several factors. Generally, the cost to install a whole-home surge protector in Illinois can range from around $200 to $500 or more, including the cost of the device and professional installation.
The exact cost will depend on the size of your home, the complexity of the electrical system, the type of surge protector needed, and whether any additional electrical work is required. Factors like the electrician's hourly rate and travel expenses in your local area can also impact the total cost. It's best to get quotes from licensed electricians in your area to get an accurate estimate for your specific needs.