The answer to 'cost to install surge protector' is that the cost can vary significantly depending on several factors. Generally, the cost to have a professional electrician install a whole-home surge protector can range from $200 to $500 or more. The exact price will depend on the type of surge protector, the complexity of the installation, and your location.
Factors that can affect the cost include the size of your home, the accessibility of the electrical panel, the need for any additional electrical work, and the labor rates in your local area. It's important to get quotes from multiple licensed electricians to compare prices and find the best value for your needs.