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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 Nov 28, 2023, 11:18 am

Hello, 

ASHRAE 2016 specifies the...

Last reply: Marcus Sheffer, Dec 1, 2023, 9:44 am

Porch lighting included in building energy model?

NC-v4.1 EAc2: Optimize Energy Performance
posted by Rachel Novick on Sep 20, 2023, 5:18 pm

Our building has a large open-air porch that we use for parties. It has lights and ceiling fans. Is that electricity included in the building energy demand calculation that is used to determine...

Last reply: Marcus Sheffer, Sep 22, 2023, 11:22 am

Any initial findings regarding Project Appendix G performance under v4.1 compared to v4 (or even v3)?

NC-v4.1 EAc2: Optimize Energy Performance
posted by Joanna Switzer on Sep 24, 2019, 4:09 pm

Hi all,

Given the number of variables that have changed between v4 and v4.1 Optimize Energy analysis protocol, I am uncertain how to accurately preface the likely impact / rigor involved...

Last reply: Jamy Bacchus, Sep 12, 2023, 4:09 pm

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

NC-v4.1 EAc2: Optimize Energy Performance
posted by Martin Maribo on Sep 8, 2022, 9:53 am

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

Last reply: Jamy Bacchus, Sep 12, 2022, 10:57 pm

Carbon emission for Electrical Energy and Natural gas

NC-v4.1 EAc2: Optimize Energy Performance
posted by SAMY Chamy on Jun 30, 2022, 8:57 am

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.

In a Global...

v4.1, and Photovoltaic VE

NC-v4.1 EAc2: Optimize Energy Performance
posted by Kyle G. Pearson on May 20, 2022, 6:07 pm

Marcus Sheffer LEED Fellow 7group / Energy Opportunities LEEDuser Expert 5796 thumbs up May 23, 2022- 4:31 pm We will try to anwer this question where it has been repeated in the Warehouses forum. Log in or register to post comments Kyle G. Pearson LEEDuser Premium Member 3 thumbs up May 23, 2022- 4:37 pm Perfect.  It didn't look like there was a lot of traffic in that forum, so I thought it best to ask it here, as well. Log in or register to post comments ...

Last reply: Kyle G. Pearson, May 23, 2022, 4:37 pm

Off Site Power Purchase Agreement to Claim Saving??

NC-v4.1 EAc2: Optimize Energy Performance
posted by SAMY Chamy on Apr 16, 2022, 12:27 am

Dear Concern:-

I have purchased renewable electrical energy (Power Purchase Agreement) from the nearest solar power plant as Kwh so I have to get a point in Renewable energy via ...

Last reply: SAMY Chamy, Apr 25, 2022, 12:35 am

Has LEED provided any incentive for electrifying buildings in areas with clean electrical grids?

NC-v4.1 EAc2: Optimize Energy Performance
posted by Tim Nabholz on Sep 21, 2021, 1:47 pm

Hi there, 

I am working on a LEED v4 project looking at following EApc95 for Energy. I understand that the v4.1 Energy Reduction credit follows the same requirements as v4 EApc95 (except...

Last reply: Jamy Bacchus, Sep 22, 2021, 3:32 pm

EAc2 option question and PCI calculation

NC-v4.1 EAc2: Optimize Energy Performance
posted by Andrew Shaw on Jul 27, 2021, 12:03 pm

Hello everyone,

I work for a ventilation equipment manufacturer who recently supplied a couple of ERV units for EAc2 and the minimum energy performance prerequisite. I got in touch with...

Last reply: Andrew Shaw, Aug 3, 2021, 12:23 pm

Calculation in relation to the basic model

NC-v4.1 EAc2: Optimize Energy Performance
posted by Léanna Chérot on May 31, 2021, 3:55 am

Hello,
In the context of a project half offices and half factory New construction carried out on 3 floors, the last one will not be occupied, not heated and not ventilated. It will remain...

Last reply: Marcus Sheffer, Jun 30, 2021, 8:59 am