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Circulation of Fresh air via AHU

CI-v4 EQp1: Minimum indoor air quality performance
posted by BEE Bisagni Environmental Enterprise on Feb 15, 2019, 2:15 am

My project has 3 areas. Project...

Energy sourse- pellets

NC-2009 EAp2: Minimum Energy Performance
posted by Vassil Vassilev on Feb 15, 2019, 1:46 am


Our project has as an energy source pellets – type agricultural crop or waste (sunflower waste).

Regarding the data entry in MEPC (Minimum Energy Performance Calculator...

OA in baseline model for residential building

NC-v4 EAp2: Minimum Energy Performance
posted by Nicolas Martinez Ochoa on Feb 8, 2019, 11:57 am


I am modeling a 40-story residential building located in Miami and I am following the Energy star “Multifamily high rise program, Version 1.0, Revision 03” simulation guidelines....

Last reply: Nicolas Martinez Ochoa, Feb 14, 2019, 2:45 pm

Existing PV on previously certified project

NC-v4 EAc5: Renewable energy production
posted by Yu Zhang on Feb 13, 2019, 3:33 pm

I have a project that is a new building located on a previous certified LEED project with PV production.  The previous project had >90% offset by energy use and >100% offset by cost from...

Last reply: Marcus Sheffer, Feb 14, 2019, 1:42 pm

LEED Campus- Large Site Area

NC-v4 SSc3: Open space
posted by Anastasia Huggins on Feb 14, 2019, 12:33 pm

We are looking at submitting this for a LEED Campus submittal but have some questions about the calculations. We have an existing 10 million SF campus, 92% of which is "open space" (so well above...

Portion of gound level paving under building

NC-v4 SSc5: Heat Island Reduction
posted by Tilly Ford on Feb 15, 2018, 7:10 pm


I have a building for which the ground level steps back and therefore the paving is shading by the building itself. I can't quite tell how to account for this, is it either:


Last reply: Olawale Taiwo, Feb 14, 2019, 12:18 pm

Solar energy production

NC-v4 EAc5: Renewable energy production
posted by Nithya Madan on Jan 16, 2018, 3:28 pm

Scenario 1 - Is solar energy produced inside the campus but outside of the project boundary considered towards the credit?

Scenario 2 - If yes to 1 , could this be considered for...

Last reply: Marcus Sheffer, Feb 14, 2019, 12:07 pm

CI-2009 EAc1.3, Option 1 HVAC Efficiency

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Joseph Girgenti on Feb 13, 2019, 12:46 pm

beginning design of a LEED 2009 CI project.  Will be replacing AC units so want to spec units with efficiency adequate to meet this requirement.  Requirement references NBI Advanced Buildings...

Last reply: Marcus Sheffer, Feb 14, 2019, 11:54 am

Sound transmission- STC Rating- Specify

NC-v4 EQc9: Acoustic performance
posted by Stephan Zweig on Feb 14, 2019, 5:38 am

Hello Leed User community,

I am looking at the acoustic performance tool for LEED v4.

At the table for Sound transmission...

Water bottle drinking fountain- water usage

NC-v4 WEc2: Indoor water use reduction
posted by Erin Rowe on Feb 14, 2019, 1:55 am

I see that water-bottle fill stations / drinking fountains are not on the list of fixtures in the calculator. Do we just leave those out of the water savings calculations? Or should they be...