Your ducts are probably the dirtiest place in your house. Over the years it will accumulate derbris and become a breeding ground for dust mites and mold spores. If it's been more than three years since you last had your ducts cleaned, you are due for one now. Air-Pro partners with restoration and construction companies to handle cleanup after a disaster or remove construction debris before tenants move in. You have probably seen our trucks around town. Commercial premises with a lot of foot traffic may require a more frequent cleaning.