Hi all. I recently used Air Duct Cleaning Philadelphia to service my A/C unit and have been absolutely delighted with the results. The employees of the company showed high professionalism and performed their work qualitatively. They thoroughly cleaned my air ducts and air conditioner, removing all the accumulated dust and dirt. I noticed a significant improvement in the air quality in my home after the work was done. Now the air is fresh and clean, which is very important for the health of my family.