The answer to 'how much is surge protector upgrade' is that the cost can vary significantly depending on several factors. Surge protector upgrades typically range from $50 to $500 or more, depending on the size and complexity of the electrical system, the quality and features of the surge protector, and whether professional installation is required.
Some key factors that influence the cost of a surge protector upgrade include the number of electrical circuits that need protection, the power capacity required, the type of surge protector (whole-home vs. individual device), and whether any electrical panel upgrades or rewiring are needed. Homeowners should get multiple local quotes to find the best value for their specific needs.