They also hold VDI 6022 and SWKI VA104-01 hygiene certificates. Swiss Rotors’ plate heat exchangers, for example, are tested in accordance with EN308 to ensure no leakage. Because a plate heat exchanger keeps incoming and exhaust air supplies separate, there is no risk of cross-contamination. Plate heat exchangers also offer other considerable benefits. Modern plate heat exchangers can recover the vast majority of sensible energy, so their impact is significant. This sensible energy is then transferred to the incoming air. Depending on the climate, the exhaust air heats or cools the plates. At the same time, incoming air is funnelled in the other direction between the other layers. Exhaust air is carefully funnelled between some of the layers. Layers of aluminium or polymer plates are positioned in the heat exchange core with gaps between them, enabling air to flow freely. ![]() They are built using a simple engineering principle. ![]() By extracting sensible energy from exhaust air, and using it to cool or heat incoming air, a plate heat exchanger can make a dramatic difference to a building’s energy costs and environmental impact. Plate heat exchangers are efficient heat recovery units used in a range of commercial, industrial and residential settings.
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