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[EnergyPlus_Support] Re: Mechanical night ventilation

A simpler solution to an airflow network, would be to use ZoneVentilation.  You can have the ventilation rate dependent on the indoor and outdoor temperatures.  To restrict ventilation to 21:00 to 7:00 using a compact schedule, but I believe you'll have to allow it upto: 7, not upto: 21, and upto: 24.  You can also predict fan energy using the ZoneVentilition object.

Liam O'Brien

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "juobatista" <juobatista@...> wrote:
>
> Hi!
> 
> I simulated a model of a house with natural ventilation during day hours, using airflow network in Energy Plus. But I need to combine natural ventilation with mechanical night ventilation (9 P.M to 7 A.M). The system consists in a simple intake fan, positioned in a hole on the wall, with constant flow, operated by electricity. 
> 
> How can I do it? I tried zone infiltration (zone air flow) + a apropriated schedule but it wasn't successful. 
> 
> Thanks!
> 
> Juliana
>




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