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Regd. percentage improvement in greenhouse gas emissions beyond ASHRAE 90.1-2010 Appendix G

NC-v4 EAc2:Optimize energy performance
posted by  Anurag Ghosh  on 

Hello All,

Can anyone help me understand how do i calculate the GHG emissions for a project as per ASHRAE 90.1 2010 appendix G. 

Also, what does the below statement mean:

7
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
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Sun Mar 16, 2025, 2:28 am

SHW baseline system and efficiency

NC-v4 EAc2:Optimize energy performance
posted by  Julio Fernandez Amodia  on 

Hi to all,

I am working on an energy model with a large number of showers. It is expected about 8953152 liters/year of hot water demand at 60C.

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LEED Fellow
7group / Energy Opportunities
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Director of Design Build Division
Dorvin D Leis
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Mon Feb 3, 2025, 2:01 am
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Thu Jan 30, 2025, 11:13 am

Regd. Peak Cooling Load in Baseline Model for Chiller Sizing

NC-v4 EAc2:Optimize energy performance
posted by  Anurag Ghosh  on 

I have a general doubt regarding peak cooling load which is to be taken in baseline case for sizing the chillers. We generally model the base case for any building in Design Builder. 

1
Fri Feb 21, 2025, 3:51 pm

GHG emissions calculations for LEED v4 - 2024 Update

NC-v4 EAc2:Optimize energy performance
posted by  Jacob Stieb  on 

The 2024 update to LEED v4 splits the points into energy cost (site/source) and GHG emissions similar to LEED v4.1 Optimize Energy Performance Credit. My question is as follows:

 

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Thermal Engineer, Energy Modeller
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Tue Nov 26, 2024, 5:44 am
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