The answer to 'how much does duct cleaning cost' is that the cost can vary widely depending on several factors. Typical duct cleaning costs for a home can range from $300 to $700 or more, but the exact price will depend on the size of your home, the accessibility and condition of your ductwork, and the complexity of the job.
Factors that influence the cost of duct cleaning include the number of vents and registers, the length and configuration of the ductwork, the presence of any obstructions or damage, and whether any additional services like mold remediation or sanitizing are required. The experience and expertise of the HVAC contractor you hire will also impact the final price. To get an accurate estimate, it's best to get quotes from multiple local HVAC companies that specialize in duct cleaning.