Total exterior cleaning
The future is ladder-less. Avoid dangerous situations by removing the problem at the source.
You wouldn't wash or clean your dishes in cold water, which is why we use hot water on your windows.
Pure water window cleaning using telescopic poles to reach high windows is the future for both window cleaners and their customers.
In fact I can clean moss off your roof, solar panels and clear the gutters afterwords using very similar professional equipment.
The pressure will not damage your windows or property. The pump is merely to raise the water up the pole. Very little pressure is needed.