Kiva zone heat balance around inner surface boundary using conduction not balancing

[matthew-larson]

Issue overview

When looking at the sum of the annual “Surface Inside Face Conduction Heat Transfer Rate” output variable for the surfaces within a zone, they do not balance with the sum of the heating and cooling energy in the zone. An example of this is shown below where the Standard model with non-Kiva ground surface balances across all the surfaces and heating/cooling energy whereas the model with Kiva ground surface is unbalanced by over 20%. This largely only effects the reporting of conduction using the “Surface Inside Face Conduction Heat Transfer Rate” output variable and should have minor effects on the actual zone heat balance.

Details

Some additional details for this issue (if relevant):

• EnergyPlus v9.6

Checklist

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• Defect file added (list location of defect file here)
• Ticket added to Pivotal for defect (development team task)
• Pull request created (the pull request will have additional tasks related to reviewing changes that fix this defect)