Well I spent the day doing a first clean at a factory & offices today. The first real test for me and my new "hot Box".
One thing I noticed very quickly was that I needed to turn my flow rate down. Usually I set my Varistream on 2.5 on the dial but this was too much, water seemed to be going everywhere. I turned the setting down to 2 and that seemed about what I usually use. I dont know but I guess the hot water must expand so you use less?
The second thing I noticed was spiders nests and bird poo (even baked on) were not a problem, very quick to remove which speeded things up a bit. Also greasy finger prints were removed with ease.
On one part of the building (in direct sunlight) I had a bit of a problem with the water steaming off the glass and drying spotty. I think this was a combination of hot wfp and heat from the sun. Im not sure if cold wfp would have faired any better. I left this section too the end of the day and re-cleaned the glass only. No spotting once dry.
My favorite thing apart from the bird poo and spider nest removal was that the glass dries quicker than usual. Making checking your work much easier than before. However it was very hot today so how noticeable this will be the depth of winter I dont know.
I do believe that hot wfp has saved me time. You can get a window to a good result very quickly. After I had cleaned several I got my confidence and was able to clean much faster with less effort than usual.
All in all a good day