The average cost of duct cleaning is $376, or between $269 and $489. Larger homes, or those with more ducts or contamination, might pay as much as $700. Clean your ducts every 5 to 7 years or as needed to help improve system efficiency.
Can I clean my air ducts myself?
When it comes to the nitty gritty, cleaning air ducts is not a do-it-yourself job. It requires tools, such as a high-powered vacuum and rotary brushes, that you don't have lying around in the garage. ... If there's a lot of dust, unscrew the grills and hose out the visible interior of the ducts.