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A building has fan-assisted ventilation and no mechanical cooling system. Does this qualify as natural ventilation?

What options are available to mechanically ventilated projects outside the U.S. to meet this prerequisite?

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NC-v4 EQp1:Minimum indoor air quality performance

100% OA constant volume enthalpy heat recovery ventilator

Hi, Our project is mechanically ventilated by 100% OA constant volume enthalpy heat recovery ventilator. Regarding monitoring, according to LEED reference guide, in our case, monitoring by current transducer on the supply fan, an air flow switch, or similar monitoring device is acceptable. In order to meet the requirement, is it OK to monitor just the ventilation fan is operated or not, or is measurement required? Any comment would be appreciated.

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Thu, 01/26/2017 - 15:45

If it is constant volume you should be fine with a balancing report and fan status. You don't need ongoing airflow measurement.

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