ive had tons of carpet cleaners in my time but these guys were amazing, my carpets look brand new and they got out most of my pet urine spots some that were there for years, there was a coffee spot there from the previous owners that no one could get out and they got it out! The guy was articulate and explained each process they use, i was hesitant because they were a bit on the pricy side but now it was like getting brand new wall to wall carpets for that "little" bit of a price!