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Green-e energy certificate accounted for in EA credit- v4 x v4.1

NC-v4 EAc2: Optimize Energy Performance
posted by A&L SUSTENTABILIDADE on Feb 24, 2022, 11:45 am

Our project is registered under the LEED v4, but we have substituted the EAc5 and EAc7 with the EA credit Renewable Energy from LEED v4.1, we intend to use the Tier 2 and purchase...

Last reply: Marcus Sheffer, Feb 24, 2022, 6:20 pm

Net Zero Data Center

NC-v4 EAc2: Optimize Energy Performance
posted by Amal Venugopal on Feb 14, 2022, 7:37 am

Hi All,

Greetings!..

Our team is creating the energy model for the Data Center. It is estimated that 4MW of energy will be consumed by the Data Center. The Data Center is powered by...

Last reply: Marcus Sheffer, Feb 22, 2022, 12:32 pm

Preparing concept HVAC requirements

NC-v4 EAc2: Optimize Energy Performance
posted by Dina El-Sady on Nov 30, 2021, 9:48 am

Is it a must to start a simple box energy model for a new project to extract HVAC requirements to acheive a certain level of energy savings?

Oe is there a guide that can be used to extract...

Last reply: Marcus Sheffer, Nov 30, 2021, 10:06 am

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

NC-v4 EAc2: Optimize Energy Performance
posted by Tim Nabholz on Sep 22, 2021, 6:56 am

Hi Marcus, 

I have posted this in the v4.1 credit as well, but understand this one is much more active. I am working on a LEED v4 project looking at following EApc95 for Energy. I...

Calculator

NC-v4 EAc2: Optimize Energy Performance
posted by Flavien Darthout on Jul 16, 2021, 4:48 am

Hi,

I'm a beginner with the LEED v4 and the calculator for the EAc2 credit. I'm asked about the interest of the calculator. We put the simulation results in it so what is it used...

Last reply: Marcus Sheffer, Jul 26, 2021, 11:24 am

ASHRAE 90.1-2016 and v4

NC-v4 EAc2: Optimize Energy Performance
posted by Mark Meaders on Apr 21, 2021, 4:34 pm

Has anyone used ASHRAE 90.1-2016 as a baseline for a v4 project and know what the adjustment in points would be for this baseline? I know USGBC made adjustments for a 90.1-2013 baseline, but I...

Last reply: Michelle Christopher, Apr 23, 2021, 1:38 pm

Single-zone System (exception 'b' to G3.1.1) dealing with

NC-v4 EAc2: Optimize Energy Performance
posted by Ale g on Mar 2, 2021, 8:24 am

How do you deal with exception (b) to G3.1.1?

Do you apply a single-zone system (1) to spaces that have a COOLING or HEATING PEAK LOADS that differ more than 31.2 W/m2 to other spaces...

Last reply: Ale g, Mar 8, 2021, 12:42 pm

Documentation of Efficiency Measures/ Analysis

NC-v4 EAc2: Optimize Energy Performance
posted by Michelle Christopher on Dec 3, 2020, 4:31 pm

For a few v4 projects I have twice now recieved comments during review that say the following:

"1. It is not clear if the project analyzed efficiency measures during the design process and...

Last reply: Marcus Sheffer, Dec 16, 2020, 3:32 pm

Semiheated

NC-v4 EAc2: Optimize Energy Performance
posted by Sarah Leenknegt on Apr 15, 2019, 9:55 am

Hi

I have not yet found a clear description of the way of modelling a semiheated zone, so I will attempt to summarize. Please correct/append where needed.

- Exterior surfaces for...

Last reply: Marcus Sheffer, Dec 10, 2020, 5:26 pm

DES methodology

NC-v4 EAc2: Optimize Energy Performance
posted by Ricardo Sá on Oct 7, 2020, 5:47 am

Dear All,

we’re currently working on LEED certification projects with the following characteristics:

  • two independent buildings located in the same campus. This will...

Last reply: Tyler Thumma, Oct 20, 2020, 2:09 pm