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Domestic Water Booster Pump Energy in LEED

NC-v4 EAp2: Minimum Energy Performance
posted by Moses Chong on Aug 14, 2024, 9:42 am

Has anyone successfully claim energy saving with domestic water booster pump? These pumps are often huge and there're no diversity profiles that I know of. The closest profile is the service hot...

Last reply: Tyler Thumma, Sep 5, 2024, 8:38 am

ASHRAE 90.1-2010 Section 6.5.6.1

CS-v4 EAp2: Minimum Energy Performance
posted by Vassil Vassilev on Apr 30, 2023, 5:34 am

Greetings,

Regarding the Section 6.5.6.1 and specifically the exception 5., we’d like to ask for some clarification in case that more than 60% of the outdoor air heating energy has been...

Last reply: Tyler Thumma, Sep 5, 2024, 8:29 am

Modeling a 100% fresh air Makeup AHU (MAHU) in Baseline

NC-v4 EAc2: Optimize Energy Performance
posted by Hanin Hamdan on Jul 26, 2024, 2:44 am

Hi,

I am working on a Hotel Project with several Kitchen Spaces. 100% Fresh air Makeup Air Handling Units (MAHUs) are designed to supply makeup air at the hood and Ecology Units are...

Last reply: Tyler Thumma, Sep 5, 2024, 8:19 am

How to determine Fan EFLH (Equivalent Full Load Hours)

NC-v4 EAp2: Minimum Energy Performance
posted by Michael on Aug 8, 2024, 3:24 am

Hi LEED experts,

In the MEPC file, I see the Fan EFLH is determined by dividing the annual fan consumption by the total fan power (kW) in the tab "Performance Output". Based on the MEPC...

Last reply: Tyler Thumma, Sep 5, 2024, 8:09 am

USGBC's commentary "Product Replacement via EPDs optimization"

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by jaclyn lee on Sep 4, 2024, 7:58 pm

We got a comment back from USGBC that said this: 

It is unclear if the Product Replacement via EPDs optimization for aluminum extrusions, hollow structural steel, gypsum boards/...

Baseline lighting and lighting controls

NC-v4.1 EAp2: Minimum Energy Performance
posted by Samer Hassanie on Oct 26, 2021, 3:57 am

in the forum. Thank you all in advance! Log in or register to post comments Tyler Thumma 7Group LEEDuser Expert 66 thumbs up September 5, 2024- 7:59 am Correct. This is because ASHRAE 90.1-2016 Appendix...

Last reply: Tyler Thumma, Sep 5, 2024, 7:59 am

Heat pumps COP AHRI-rated in european project

NC-v4 EAp2: Minimum Energy Performance
posted by Alessandro Zuanon on Jul 25, 2024, 12:38 pm

Hi,

how can i do if my project's heat pump /chiller manufacturer doesn't provide efficiencies AHRI-rated?

I need to model with COP and EER at nominal and part load tested under US...

Last reply: Tyler Thumma, Sep 5, 2024, 7:52 am

High priority site

NC-v4 LTc3: High priority site
posted by Ahmed Hamed on Sep 2, 2024, 4:02 am

  • How to apply Priority Designation option outside the U.S

Last reply: Andrey Kuznetsov, Sep 4, 2024, 10:27 pm

Energy Modeling Software

NC-v4 EAp2: Minimum Energy Performance
posted by Marine Petrosyan on Aug 8, 2024, 10:45 am

Hi, All!

Can you please share what energy modeling software you have used so far?

Thank you!

Last reply: Apoorva Pradhan, Sep 4, 2024, 5:02 pm

LEED / WELL Crosswalk

Pilot-Credits EQpc105: Lead Risk Reduction
posted by Dave Hubka on Aug 20, 2024, 11:55 am

for all pilot credits is to "participate in the LEEDuser pilot credit forum". Hence my post, screen shot & upload to LEED Online in efforts to eliminate the "participate in the LEEDuser pilot credit forum" comment from GBCI.  If the applicable preconditions of the WELL application are met, then this pilot credit should be achieved per the 'WELL to LEED BD+C' crosswalk...

Last reply: Andrey Kuznetsov, Sep 4, 2024, 9:17 am