does DF get the carpet dryer quicker? yes the plate gets super hot but how much of that heat actually gets past the pads to the carpet? take a pad off and its not hot! and it couldnt be that hot otherwise it would be dangerous to use on carpet - you cant keep it in one place long enough for effective heat to dry the carpet IMO
i dont know how they get away with advertising carpets dry in 30 mins guaranteed - you would have to use so little moisture on every job to guarantee that that you would end up compromising the clean
i did a job with a franchise once when i had my DF to help them out - it was domestic wool. The customer phoned the franchise a few hours later after the job to say the carpet was still damp in the lounge (which i hadnt cleaned!!
) and they ended up refunding them!!