Wow...my house stays so much cleaner for so much longer. Sani, the technician, was delightful and he did an absolutely fantastic job! He is a VERY hard working guy, and I will definitely be asking that he be our technician the next time we have our ducts cleaned. He showed me the before cleaning (ick...no wonder my house was dusty a few hours after I dusted it) and after cleaning (spotless) of a couple of ducts, and he definitely went above and beyond to make sure he removed all of the dirt/debris/pet hair/etc from our ducts, vents, and furnace. I couldn't be more pleased!