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Has anyone validated the DOE Reference Building Measure?

asked 2019-03-07 07:47:19 -0500

Vhas27 gravatar image

I used the OpenStudio measure "Create DOE Prototype Building" for a medium and large office buildings, but found that the site EUIs vary widely from the EUI summary table on DOE's website. Specifically, I ran both buildings for the 90.1-2013 standard and 4A climate zone without any further modifications and got a 35% lower EUI for the medium office building and 240% higher EUI for the large office building, compared to the DOE summary table EUIs.

Has anyone else come across this issue? Are there any best-practice suggestions for using this measure to avoid such an issue? Has this measure been validated or is it still under active development?

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answered 2019-03-07 11:10:32 -0500

See the answer to this question about the DOE Prototype buildings.

The link you reference is for ASHRAE 90.1-2004, Post-1980, and Pre-1980, not ASHRAE 90.1-2013. Also, PNNL updated the models from the version you referenced: PNNL, Enhancements to ASHRAE Standard 90.1 Prototype Building Models, April 2014. Most importantly, the updated included adding a data center to the Large Office model which explains the much higher EUI. The lower medium office building EUI is explained by the new code version.

Both the PNNL reference buildings and theCreate DOE Prototype Building measure are under active development (e.g. recently switching to ASHRAE 169-2013 instead of ASHRAE 169-2006 for design days), but should be very close.

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Asked: 2019-03-07 07:47:19 -0500

Seen: 183 times

Last updated: Mar 07