Adiabatic cooling is achieved by using the same technology as an adiabatic humidifier but is controlled in a different way. When fine water droplets are formed by a spray humidifier or evaporation occurs off an evaporative matrix, then the heat energy required to change the water’s state from a liquid (water) to a gas (humid air) is considerable. This energy is not contained within the temperature of the water (unlike boiling water to create steam) so the heat energy is taken from the surrounding air which consequently cools the air.
100 kg/hr of evaporated water will result in 69kw of cooling within the air.
Applications such as data centres, offices, car and print plants plus timber machining areas all benefit from free cooling.