William arrived on time ready to work! I appreciated his patience with my many questions which he knew all of the answers to. I was extremely amazed at the pictures of before and after cleaning of the ductwork. The ductwork was so dirty and no doubt has been the cause of the dust in my home. No doubt that my air flow will also see improvement. I am so glad that I had Ductworks do this work and shall recommend this particular company to my friends and family.