I'll preface by saying I've only done my testing with a #4 blower spinning @ 3100 rpm @14" lift
here's the scoop;
Most don;t have have a wand they can easily swap
glides to do
SAME ROOM,/SAME DAY/SAME WAND evaluations .
So they all just parrot the party line everyone else says
truth is, there's not a dimes worth of difference in dry times on any of 'em if you're using pre-spray in sufficient quantity to clean soiled carpet.
It will "feel" like it immediately after a wand stroke, but 20 minutes later you won't "feel" much if any difference .
and monitor to "complete" dry (not the one-two hour boloney some yawks claim as "dry") but "completely" dry, you'll discover there's no great difference
so, until you get a wand that can change glides in seconds like i have, (moSt don't) and until you do side by side on same room/same day and monitor to "complete" dry (most won't) don;t give me any chit...cause I'll tell you you're full of it and talking out your azz...or your wand technique stinks
They do dry better (any of them) in most cases because...
1.) they prevent wand lock down to help airflow
2.) some of the lazy yawks are NOW giving drying dry strokes cause it doesn't kill them to do so
.L.TA..