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Renewable Energy Production

NC-v4 EAp2: Minimum Energy Performance
posted by Piotr Adamczyk on Aug 9, 2023, 2:32 am

Dear All,

I want to ask you how you approach taking into account the yield of the photovoltaic installation in the MEPC calculator.
I received the yield calculation from the designer...

Last reply: Marcus Sheffer, Aug 9, 2023, 4:27 pm

Baseline Model for Data center Economizer

NC-v4 EAp2: Minimum Energy Performance
posted by Rajat Wadhwa on Aug 8, 2023, 12:36 pm

Hi, 

I have encountered an issue with the baseline model for Data Center , based on LEED Comments we are using system 8 and for climate zone 5a the economizer shut off limit is 70F, the...

Last reply: Moses Chong, Aug 8, 2023, 12:55 pm

AHSRAE 90.1, G3 Modeling Question- External Louvers/Shades

NC-v4 EAp2: Minimum Energy Performance
posted by Brian Salazar on Aug 7, 2023, 11:47 am

Hello!  Our team is researching opportunities to reduce SHG loads on an 8-story new construction university residence hall.  The question has come up regarding the use of external-fixed louvers...

Last reply: Marcus Sheffer, Aug 7, 2023, 11:59 am

In what case we don't have to run a baseline model with all 4 rotation

NC-v4 EAp2: Minimum Energy Performance
posted by Rajat Wadhwa on Jul 29, 2023, 1:54 pm

Hi , I am working on a LEED Data center model with majority of space as vault, now I know for an existing building we dont need to rotate but for a data center do we need to rotate as the...

Last reply: Marcus Sheffer, Jul 31, 2023, 9:05 am

Default EIA rates for India

NC-v4 EAp2: Minimum Energy Performance
posted by Moses Chong on Jul 26, 2023, 5:43 pm

Hi! I'm working on a project in India. We cant obtain the utilities rates so we were trying to use the deafault EIA rates like other projects we did in the US. However it looks like EIA.gov does...

Last reply: Moses Chong, Jul 28, 2023, 11:14 am

Definition of a Laboratory Space

NC-v4 EAp2: Minimum Energy Performance
posted by Michael Hill on Jul 26, 2023, 6:24 pm

I am working on a project which is a facililty that tests tools used in semi-conductor fabrication facilities. The spaces are clean rooms with strict control of temperature, humidity, and...

Last reply: Marcus Sheffer, Jul 26, 2023, 7:02 pm

ASHRAE 90.1-2010 Table 6.8.1c

NC-v4 EAp2: Minimum Energy Performance
posted by study topenergy on Dec 20, 2021, 5:05 am

Hello, 

There are two Paths in ASHRAE 90.1-2010 Table 6.8.1c water chilling packages -Efficiency Requirement, just would like to know what is the different between path A and path B?

...

Last reply: phan vinh, Jul 4, 2023, 9:35 pm

Baseline System for Data center

NC-v4 EAp2: Minimum Energy Performance
posted by Rajat Wadhwa on Jun 1, 2023, 7:07 pm

Hi All, I have read som many answers regarding  the baseline system for Data centers, Some are saying use system 8 some are saying use system 3 and 4, which one is the right system? I am working...

Last reply: Marcus Sheffer, Jun 15, 2023, 12:39 pm

Combining energy models for LEED application

NC-v4 EAp2: Minimum Energy Performance
posted by Dave Hubka on Jun 7, 2023, 1:13 pm

Hello Marcus, 

I have unique scenario in which I believe the answer is 'No' but cannot find a definitive answer. 

My project contains 6 floors of parking and 12 floors of...

Last reply: Cory Duggin, Jun 8, 2023, 11:09 am

Energy and Atmosphere

NC-v4 EAp2: Minimum Energy Performance
posted by PURUSHOTHAMAN on May 1, 2023, 1:37 am

Dear LEED Experts...

 I am involving one energy model work. It is factory production type Building.That project Installed equipments total power in KW-150. if i feed this total energy...

Last reply: Neeraj Sharma, May 6, 2023, 2:45 am