Is there a direct correlation for LEED points when ASHRAE 90.1-2019 baseline is used instead of 2016?
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NC-v4.1 EAp2: Minimum Energy Performance
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LEED point adjustment when ASHRAE 90.1-2019 is used as baseline
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Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5906 thumbs up
November 8, 2022 - 11:54 am
I don't believe that USGBC has issued an adjustment table for 90.1-2019 yet.
Michelle Christopher
Buro Happold5 thumbs up
November 8, 2022 - 4:14 pm
Since Appendix G remains largely fixed between 2016 and 2019, you should just be able to use the BPFs from 90.1-2016 instead of the BPFs in 2019 to calculate savings/ points.
Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5906 thumbs up
November 8, 2022 - 4:39 pm
There is a difference in stringency between 90.1-2016 and 90.1-2019 even if Appendix G has not changed much or at all. This impacts the savings. See the final US DOE determination of savings - https://www.energycodes.gov/sites/default/files/2021-07/Standard_90.1-20... In the past this determination has been used to adjust the thresholds of savings relative to points.
Eric Dixon
SmithGroupJJR1 thumbs up
March 18, 2024 - 10:21 am
LEED interpretation #10500 allows you to use 90.1-2019 or 90.1-2022 Appendix G and substitute the BPF from 90.1-2016 https://www.usgbc.org/leedaddenda/10500