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  • 1.  AIA 2030 Residential Single Family & Duplex EUI Baselines

    Posted 02-25-2025 01:27 PM

    Our firm is finding some challenges with the DDX generated-baselines for Residential Single Family & Duplex projects. Does anyone have good tools or resources for calculating EUI baselines for these small project types outside of the DDX generated values?



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    Michelle Sablack AIA
    WJW Architects, P.C.
    Chicago IL
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  • 2.  RE: AIA 2030 Residential Single Family & Duplex EUI Baselines

    Posted 02-27-2025 02:32 PM
    Another good source is bpd.lbl.gov. (Building Performance Database).
    They have good filters by building type, location, etc.
    This chart below shows the site EUI of 574 single-family homes, between 500 SF and 3000 SF, in Chicago (picked this because of your location) and some in San Francisco (our location).
    I'm not sure how this compares to the DDX baseline, and haven't delved into the data sources of either database.  BPD can be filtered to create a more customized set of existing peer buildings, which may be what you're aiming for.  
    This resource is courtesy of our envelope and energy consultant; his contact info is below.  
    Good luck, 
    David Arkin / AIA 2030 Commitment Working Group Partner
    image.png
    Here is the same chart for San Francisco, with a sample size of only 14 homes:
    image.png

    Dan Johnson

    510-325-5672 (mobile)

    dan@streamline-green.com, streamline-green.com



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    David Arkin AIA
    Arkin Tilt Architects
    Berkeley CA
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