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[TRNSYS-users] low energy consumption buildings



Dear TRNSYS Users,
 
I would like to have an expert advice from TYPE 56 users and developers. Thermal transfers trough walls are based on the Transfer Function Method developed by Mitalas (cf. TRNSYS Manual, volume 6, § 2.1.6). What are the limits of this method ? Is it suitable for very high insulated walls (for example 20 cm of polystyrene over 16 cm of concrete) ?
 
Context of my question : In France, we are working on two big projects of very low energy consumption buildings. We prescribe the use of dynamic simulation as a conception tool because it?s a very useful tool to estimate heating energy consumption and summer comfort. We?re hearing some critics about TRNSYS, some says it is not suitable to these kind of buildings. So, we would like to be sure of our software.
 
Thanks a lot,
Christophe.

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