Zone HVAC Energy Consumption

Forum for DesignBuilder EnergyPlus simulation users to exchange views and questions. Posts regarding use of Detailed HVAC should go to the EnergyPlus HVAC forum

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velsilambu
Posts: 1

Zone HVAC Energy Consumption

Postby velsilambu » Sun Jan 27, 2019 9:04 am

Dear All,

I am using Energy Plus software. I have modelled G+2 Floor residential building .In my model i have used PTHP system. I was getting zone cooling energy in the month of JUNE - (Ground Floor Zone - 444.76 KWh , First Floor - 634.67 KWh , Second Floor - 1004.35 KWh, and other months also result variation comes like June month.

Here comparing to ground floor , first floor increase 1.4 times more and second floor 2.3 times more. obviously, comparing to ground floor other floors energy will increase. But here i am getting more energy consumption for my model. please suggest to move correct direction for my earlier research. Thank you.
Luis Sousa
Posts: 367
Location: Stroud

Re: Zone HVAC Energy Consumption

Postby Luis Sousa » Mon Jan 28, 2019 2:06 pm

Hi,

I'm not sure if you are using DesignBuilder but the principle here is the same as running directly on E+. The results you are getting seems to be expected in hot climates.
I would suggest to study the zone heat balance results to understand the cause of the cooling energy and adjust the model inputs to reduce the energy consumption.

BR,
Luis

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