Install the measure

B. Install the OSSTD “Create ASHRAE 90.1-2019 PRM Model” measure using any of the following approaches.

The PRM measure can be downloaded using two different approaches.

1. Download measure from the documentation website

  • The “Create ASHRAE 90.1-2019 PRM Model” measure can be downloaded from PerformanceRatingMethod.zip (7 KB)

  • After downloading the measure, unzip the folder.

  • Copy/Move the PerformanceRatingMethod measure folder to the local Measures directory used by the OpenStudio App.

  • You can check the measures directory by clicking on Change My Measures Directory under the Preferences tab of the OS app. Typically, the local measures directory is located in C:\Users\[sample_user]\OpenStudio\Measures.

Openstudio Measures Directory

2.a. Download measure from the Building Component Library (BCL) within the OS App

  • Launch the OpenStudio application by clicking on the executable “OpenStudioApp.exe” located in the \bin folder under the installation directory. The default installation directory is C:\openstudioapplication-x.x.x where x.x.x defines the version.

  • From the OpenStudio Application interface, open Components & Measures from the menu at the top and select Find Measures.

Openstudio Select Measure

  • Navigate to Whole Building in the categories list (left side).

  • Search for Create ASHRAE 90.1-2019 PRM Model.

  • Select the Create ASHRAE 90.1-2019 PRM Model measure in the search result (check the box) and click Download.

  • Close the find measures window. Openstudio Whole Building

2.b. Download the measure from the Building Component Library (BCL) website

  • Go to https://bcl.nrel.gov/browse

  • Navigate to Whole Building and click on Space Types.

  • Browse the measure from the list.

Once you have the measure downloaded, move to the next page to run the measure.