The answer to the cost of air duct cleaning is that it can vary significantly depending on several factors. Typical ranges for professional air duct cleaning services generally fall between $300 to $1,000, though the exact cost will depend on the size of your home, the number of vents and ducts, the extent of the cleaning required, and your location.
Factors that can influence the cost include the accessibility of the ducts, the presence of any mold or debris buildup, and whether additional services like sanitizing or sealing are needed. It's important to get local quotes from reputable air duct cleaning companies to get an accurate estimate for your specific needs.