The answer to 'how much to fix duct cleaning' is that the cost can vary widely depending on several factors. Duct cleaning is typically a service performed by professional HVAC contractors, and the pricing will depend on the size of your home, the complexity of your ductwork, and the extent of the cleaning required.
Generally, duct cleaning can cost anywhere from $300 to $1,000 or more, with the average being around $500 to $700. The price can be higher for larger homes, homes with extensive ductwork, or if additional services like sanitizing or sealing the ducts are needed. It's essential to get local quotes from reputable HVAC companies to get an accurate estimate for your specific situation.