Don't be caught out by winter weather and freezing temperatures..

Try using methanol in the purified water.

To stop water freezing on windows and on pavements. [it also acts as an insurance for the window cleaner]

For Working in temperatures below freezing...You can also use, Prestone de-icer, which does not stain like the blue counterparts amd is far more concentrated [ using a concentrate/mix/ of 80% methanol and ethylene glycol] and is the best alternative I have used.

NEVER put hot water or use a heated water WFP system in freezing weather, [unless you want to crack windows]

Winter Window Cleaning - WFP and heated systems - Anti freeze and PVC - White Vinegar - Using Methanol - Trolley System - SLIPPING WITH WFP -