Dew point overview
The Active Bottle Cooler can cool fluids to their dew point. The dew point is determined by the ambient temperature and the relative air humidity. The lower the relative air humidity, the higher the difference will be between the ambient temperature and the temperature of the drink contained in the Active Bottle Cooler.
See table below for an example: let’s assume that, in a given location, the relative air humidity reaches 50% and the ambient temperature amounts to 26 °C. The drink can then be cooled to 14.4 °C maximum (its dew point). In other words, the drink is (or stays) cooled down by no less than 11.6 °C. Thus, the Active Bottle Cooler can achieve a better performance in e.g. the south of Europe and the Sahara desert, where the air humidity on a hot day is relatively low, rather than in the tropics, where the air humidity is relatively high.
Click here to know the current air humidity in your region.