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[EnergyPlus_Support] Will radiant ceiling use more heating energy?
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- Subject: [EnergyPlus_Support] Will radiant ceiling use more heating energy?
- From: "HJ wanghaojie630@xxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx>
- Date: Mon, 21 Jul 2014 18:38:29 -0400
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Hi all,
I use E+ to calculate radiant system compared to traditional VAV system.
The results showed that radiant system uses more heating energy but less
cooling and energy. (of course less fan energy and more pump energy). In
total I could see some energy saving but I would assume this will
diminish in a heating dominate climate. I wonder what is the energy
benefits of a radiant system? Is this because we have more envelope loss
and we heated up some thermal mass in the envelope? Also, what
percentage of increase do you guys think is reasonable?
Thanks
HJ
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Posted by: HJ <wanghaojie630@xxxxxxxxx>
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