Ashrae 90.16/7/2023 In Dubai and Abu Dhabi, for example, outdoor temperatures never fall below 10☌. The climate in the UAE and much of the Middle East means air conditioning units in the region are widespread. And the health benefits of having a constant flow of fresh air are also significant. Organisations enjoy reduced energy bills and smaller running costs. Lower carbon emissions mean positive environmental impacts. The result is that through conduction the incoming air is naturally cooled by the colder outgoing air. ![]() The two airstreams run through the exchanger simultaneously. At the same time, a separate ventilation duct brings in warmer air from outside. ![]() As the colder exhaust air leaves the building, it passes through a ventilation duct in the heat exchanger. Typically, heat recovery units feature a heat-exchange core. Heat recovery ventilation (HRV) systems have been gaining in popularity in hot climates like the Middle East.
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