Knowledgebase: Weather
Ground Temperatures - Deep
Posted by Michael J. Witte, Last modified by Jason Glazer on 06 May 2016 01:15 PM

Question: Where can I get value for Site:GroundTemperature:Deep?  Can I get it from the weather file or anywhere else?

Answer:  One source is the statistics summary of the epw file (.stat file included in epw zip files). If you do not have a .stat file, you can create it for an epw file using the EnergyPlus Weather Statistics and Conversion utility (see Chapter 2 Weather Converter Program in AuxiliaryPrograms.pdf)

Site:GroundTemperature:Deep are used by the Pond Ground Heat Exchanger and Vertical Ground Heat Exchanger objects (i.e. objects: GroundHeatExchanger:Pond and GroundHeatExchanger:Vertical). Only one deep ground temperature object can be included.
Note that the ground temperatures included in full year weather files may be suitable of being used for the values in these fields – namely, the 4 m depth temperatures that are calculated for “undisturbed” soil of “typical” conditions. However, you may wish to use some other change effect – based on the weather conditions or special knowledge of the building location.

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