Forum » NC-v4.1 EAc2
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LEED Fellow
7group / Energy Opportunities
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Mon Dec 1, 2025, 7:06 pm
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LEED Fellow
7group / Energy Opportunities
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Thu Oct 30, 2025, 4:29 pm

Clubhouse Building Type? Public Assembly or Non-Residential?

NC-v4.1 EAc2:Optimize Energy Performance
posted by  Junaid Mujahid  on 

A clubhouse project with amenities including: Gymnasium, Yoga/Aerobic Studios, Party Hall, Dining Hall, Lounge, Small Retail Stores, Prayer Rooms, Basement Parking should be categorised under which

9
LEED Fellow
7group / Energy Opportunities
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Wed Sep 18, 2024, 8:00 am

Infiltration rate @ 75 Pa (ASHRAE 2016) vs. 4 Pa / 50 Pa (Design Builder Software)

NC-v4.1 EAc2:Optimize Energy Performance
posted by  Ziad Zeitoun  on 

Hello, 

ASHRAE 2016 specifies the infiltration rate of the building at 75 Pascals (2.03 L/s.m²).

1
Fri Dec 1, 2023, 2:44 pm

Porch lighting included in building energy model?

NC-v4.1 EAc2:Optimize Energy Performance
posted by  Rachel Novick  on 

Our building has a large open-air porch that we use for parties. It has lights and ceiling fans.

1
Fri Sep 22, 2023, 3:22 pm

environmental attributes (e.g. REC’s) retained

NC-v4.1 EAc2:Optimize Energy Performance
posted by  Martin Maribo  on 

Can the purchase of environmental attributes be used to improve the Cost PCI points?

5
LEED Fellow
7group / Energy Opportunities
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Tue Sep 13, 2022, 2:57 am

Carbon emission for Electrical Energy and Natural gas

NC-v4.1 EAc2:Optimize Energy Performance
posted by  SAMY Chamy  on 

Dear Concern

Our project is located in Bangladesh and we are looking for carbon emissions per unit of electricity production and 1 m3 of natural gas usage.

 

0

v4.1, and Photovoltaic VE

NC-v4.1 EAc2:Optimize Energy Performance
posted by     on 

We are working on a warehouse in Sunnyvale, CA.  We are confused with the results from the spreadsheet (v3), since we investigated removing the PV array, as a VE measure.  Site Energy, Co

2
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4458 thumbs up
Mon May 23, 2022, 8:37 pm
2
LEED Fellow
7group / Energy Opportunities
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Mon Apr 25, 2022, 4:35 am
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Tue Aug 3, 2021, 4:23 pm
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Wed Jun 30, 2021, 12:59 pm
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LEEDuser Basic Member
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Mon Jun 7, 2021, 3:00 pm

Analyzing efficiency measures in addition to those in IP Credit: Integrative Process

NC-v4.1 EAc2:Optimize Energy Performance
posted by  Mark Benson  on 

The Reference Guide for this credit in both LEED v4 and v4.1 say "Analyze efficiency measures during the design process and account for the results in design decision making."  However, the fo

3
Practice Leader - Sustainability
EUA
LEEDuser Expert
510 thumbs up
Mon May 17, 2021, 1:50 pm

Bollard lighting on a recreational path

NC-v4.1 EAc2:Optimize Energy Performance
posted by  Randi Meredith  on 

My town is proposing to install lighting along a partially wooded Rails-to-Trails path. Looking for specific recommendations for adequate lighting using bollards or something similar.

0

Consiterations -Equation PCI below PCIt

NC-v4.1 EAc2:Optimize Energy Performance
posted by  Konstantina Kalliakoudi  on 

Dear Leedusers,

Please Confirm that the equation for “project percent improvement PCI below PCIt “ as mentioned at the credit is following :

[( PCIt- PCI)/ PCIt ]*100 (1)

2
Mon Nov 30, 2020, 8:25 pm
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