The price of fire Fire Door closers can vary widely depending on the type and quality of the closer, as well as the specific installation requirements. Generally speaking, surface-mounted closers can range from $30 to $200, concealed closers can range from $100 to $300, and floor-spring closers can cost $500 or more. It's important to consult with a qualified installer or contractor to determine the appropriate type and cost of fire door closer for your needs.