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NC-2009 EAc1:Optimize Energy Performance

Modeling radiant heating/cooling systems

Profile picture for user petr.lhotak
Petra Hajná
Sustainability Consultant
Skanska Czech Republic
LEEDuser Basic Member
128 thumbs up

Hi everybody. I'm working on a project in Central Europe and our team suggests implementing thermal active concrete structure to our design (heating/cooling pipes are integrated into a loadbearing structure). I have found out how to model radiant heating, but when using the radiant slab system, there is no option for radiant cooling. Can anyone give me a little kick in the right direction on how to model this system? I did a bit of googling and found out something about a "dummy zone" solution...

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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Tue, 09/18/2012 - 15:16

How you model something that can't be modeled directly in the software you are using is very software specific. You will need to find a published work around, develop one yourself and explain how it works to the reviewer, or use different software that can model the system. Developing your own work around requires that you understand the software calculations at the code level. So contact the software manufacturer or try posting your question in one of the software forums at onebuilding.org. If there is not a good work around consider using Energy Plus as I think it can model radiant cooling.

Wed, 09/19/2012 - 08:22

Yes, EnergyPlus can model it.

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