Jul cleaned our furnace ents and ducts today. He did an outstanding job. The before / after pictures are amazing. I would highly recommend DuctWorks and Jul to clean your ducts and furnace. He was on time, professtional, and a hard worker. He used drop clothes evverywhere and had feet covered with booties to ensure the house was kept clean. We will be calling them back in 4 years per the recommended maintenace schedule.