The overall cost of installing a new metal vent depends on size, material, finish, and installation method. Standard replacements are the most affordable, as they only require swapping the old vent with a new one. Flush-mount vents, on the other hand, are designed to sit level with the flooring and often need extra adjustments, which increases labor charges. In the Original Series, metal vents are priced between $94 and $150, depending on their size and finish. For installation, a basic replacement usually costs $20 to $40 in labor, while flush-mount installations can range from $50 to $200, depending on the complexity of the flooring modifications. Altogether, homeowners can expect to spend around $115 for a simple replacement and $115 to $265 for a flush-mount upgrade. Installing several vents at once may also help reduce per-unit labor costs.