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Question about "required ventilation air" in G3.1.2.9.1 for laboratory spaces

NC-v4 EAp2: Minimum Energy Performance
posted by CT G on Apr 16, 2025, 8:37 am

We're seeking clarification on how other users interpret the term "required ventilation air" in the exception to Section G3.1.2.9.1 of Appendix G (ASHRAE 90.1-2010) for laboratory spaces.

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Clarification on Baseline System Type and Exceptional Calculation for Phased Data Center Project

NC-v4 EAp2: Minimum Energy Performance
posted by Anurag Ghosh on Apr 11, 2025, 1:23 am

Dear Forum Members,

We are currently working on a multi-phase data center project pursuing LEED v4 BD+C: New Construction certification as a ...

Last reply: Marcus Sheffer, Apr 15, 2025, 1:14 pm

Request for Resource on Standard EUI by Climate Zone and Building Typology

NC-v4 EAp2: Minimum Energy Performance
posted by Anurag Ghosh on Apr 11, 2025, 6:27 am

Hello everyone,

I’m looking for a reliable website or resource that provides standard or benchmark Energy Use Intensity (EUI) values categorized by climate zones and building typologies (e...

Last reply: Jamy Bacchus, Apr 14, 2025, 12:45 pm

How to Model Units that are sized for Dehumidification in Labs

NC-v4 EAp2: Minimum Energy Performance
posted by Rajat Wadhwa on Apr 10, 2025, 2:41 pm

Hi, 

So I am working on a Lab LEED project and majority of the units are sized for lower SA temp in the range of 48-50 F, because of the dehumidification required by the lab. But when I am...

ASHRAE 62.1 & ASHRAE 170

NC-v4 EAp2: Minimum Energy Performance
posted by Dave Hubka on Apr 10, 2025, 12:07 pm

Hello, 

My project is pursing v4 Healthcare certification, but posting to the NC forum. 

LEED for Healthcare requires the 'hospital rooms' adhere to the ventilation requirements of...

Last reply: Dave Hubka, Apr 10, 2025, 1:13 pm

Clarification on Baseline Equipment Efficiency Tables for Systems 2, 4, and 6 (ASHRAE 90.1-2010)

NC-v4 EAp2: Minimum Energy Performance
posted by Anurag Ghosh on Apr 8, 2025, 3:51 am

forum guidance, the applicable efficiency table is Table 6.8.1A of ASHRAE 90.1-2010. However, Table 6.8.1A lists multiple equipment types — air-cooled, water-cooled, evaporatively cooled, etc. Could...

Last reply: Marcus Sheffer, Apr 9, 2025, 10:58 am

VRF Performance Curve Set

NC-v4 EAp2: Minimum Energy Performance
posted by Junaid Mujahid on Jan 31, 2025, 12:20 am

Hi Everyone,

This may not be the right place to post software-related questions. But, I wanted to know whether LEED has anything to say about selecting the Performance Curve Set if that...

Last reply: Anurag Ghosh, Apr 9, 2025, 2:37 am

Calculating Baseline Fan Power and CFM?

NC-v4 EAp2: Minimum Energy Performance
posted by Rajat Wadhwa on Sep 15, 2023, 4:57 pm

community forum, GitHub repository, or knowledge base where users share such scripts or approaches for LEED modeling automation? Also, are there any best practices or common pitfalls to keep in mind when...

Last reply: Anurag Ghosh, Apr 5, 2025, 10:20 am

Option 1, Path 3. Streamlined DES Modeling

NC-v4 EAp2: Minimum Energy Performance
posted by Nasim Mirian on Oct 10, 2019, 12:07 pm

Hi,

I am trying to submit for LEED v4 for a campus building which is served by the campus central plant.we are taking Option 1, Path 3. Streamlined...

Last reply: Tyler Thumma, Apr 3, 2025, 12:45 pm

Swimming Pools Baseline Definition

NC-v4 EAp2: Minimum Energy Performance
posted by Ricardo Sá on Feb 6, 2020, 4:57 am

Dear All,

we're currently certifying an hotel facility that includes indoor heated pools. In what relates to energy modeling, I have several questions I would like to see clarified...

Last reply: Marcus Sheffer, Apr 2, 2025, 5:11 pm