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Design temperatures being read incorrectly from newest TMY3 weather files · Issue #212 · Test-Cloned-Org/resstock · GitHub
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@carlobianchi89 pushed some new TMY3 weather files recently to fix some bad sensor issues in a few specific cases. They also used 2021 ASHRAE design conditions instead of 2009, which didn't seem like it would be a problem. However, we are seeing some issues. The one we are aware of currently is that in the LA weather file, the 0.4% MCWB (2021 value: 63.5) seems to be being used as the cooling design setpoint where the 1% DB was being used before (2009 value: 82.1). Or at least that seems to be the most likely explanation so far. This is causing some pretty extreme problems with HVAC sizing. I don't know where the issue is - whether it's improperly formatted in the weather file, improperly read by OS-HPXML, or somehow a ResStock issue.
@carlobianchi89pushed some new TMY3 weather files recently to fix some bad sensor issues in a few specific cases. They also used 2021 ASHRAE design conditions instead of 2009, which didn't seem like it would be a problem. However, we are seeing some issues. The one we are aware of currently is that in the LA weather file, the 0.4% MCWB (2021 value: 63.5) seems to be being used as the cooling design setpoint where the 1% DB was being used before (2009 value: 82.1). Or at least that seems to be the most likely explanation so far. This is causing some pretty extreme problems with HVAC sizing. I don't know where the issue is - whether it's improperly formatted in the weather file, improperly read by OS-HPXML, or somehow a ResStock issue.@joseph-robertson@afontaniSource:
NRELon 2023-09-19.The text was updated successfully, but these errors were encountered: