If all the estimated 1 million water coolers and plumbed in units in the UK commercial sectors were replaced with air2eau water generation units we could 'save' 9.4 billion litres of water - PRICELESS . The air2eau units can be placed alongside work stations in the middle of work floors - whilst each trip to a plumbed in unit some distance from work stations may not seem to eat up much work time.. The quality of the drinking water made from thin air by the air2eau water generation system is by far and away the purest