I know this is an old thread but can anyone compare the powerwand to the extend a wand pros and cons for both and which one you would recommend and size. I can tell you i am going to use for roof cleaning mostly. I have a fiberglass 24' now and a very big set of shoulders looking to replace with one pole that can do both ground and roof work i am leaning to the powerwand only because i run the hose on the outside of the pole and keep trigger in hand using pitchwitch or water broom