Air to Air Sweden develops new innovative heat- and mass exchanger cores for customer-owned applications.
Air to Air develops and produces Hydra cores. The Hydra core is a unique configuration based on a patented manufacturing process where moisture and heat is transferred across a membrane permeable to water, rather than the conventional metallic membrane. In doing so, we may recover more than double the amount of energy in the air due to the fact that only about 45% of the energy in air is "temperature" which can be transferred with a metallic membrane. The rest is bound in the phase shift of water vapor in the air and is obvious when we e.g. air condition a space and our air conditioner drips water. That is a pure waste of energy! Condensing 1 litre of water uses energy equivalent to a 60W lightbulb burning for 10 hours.
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