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How to report High COP values for Chillers

NC-v4 EAp2: Minimum Energy Performance
posted by Rajat Wadhwa on Jan 25, 2024, 4:05 pm

Hi I am working on a Data Center in Chicago, and we have Chillers which have a high COP when the ambient temperature is low outside, so The energy modeling software that I am using can ony get as...

Last reply: Tyler Thumma, Apr 5, 2024, 10:59 am

LEED Ceremonies at Opening Day

NC-v4.1 EAc1: Enhanced Commissioning
posted by Kath Williams on Sep 26, 2020, 1:29 pm

Is there any way under version 4.1to meet the requirements of this credit in a timely fashion so that the LEED Plaque can be awarded on the building's opening/ribbon cutting day?  Enhanced...

Last reply: Martha Norbeck, Apr 5, 2024, 11:03 am

Designing Baseline with Natural Ventilation using IDA-ICE

NC-v4 EAp2: Minimum Energy Performance
posted by Azra on Feb 7, 2024, 3:31 am

Hi,
Does someone know how are we to design baseline when we have natural ventilation?  According to ASHRAE 90.1 - 2010 Table G3.1.1A, we have to use System 7 as baseline HVAC System Type,...

Last reply: Tyler Thumma, Apr 5, 2024, 11:37 am

District Energy for Partial Building Load

NC-v4 EAp2: Minimum Energy Performance
posted by Jess Scanlon on Jul 6, 2017, 2:07 pm

I am modeling a new building on a university campus following LEEDv4 Option 1, Whole Building Energy Simulation.
Heat Recovery Chillers are providing 44% of the cooling load of the building...

Last reply: Tyler Thumma, Apr 5, 2024, 11:43 am

Air Test Sampling Point Location

NC-v4.1 EQc4: Indoor air quality assessment
posted by Noriko Nagazumi on Jan 18, 2024, 11:48 pm

Hello, 

The reference guide states that the testing must include all occupied spaces....

Last reply: Dávid Jakab, Apr 5, 2024, 12:30 pm

SR for White Cement Concrete Pavement

NC-v4 SSc5: Heat Island Reduction
posted by Osman Faroq on Jan 29, 2024, 1:53 am

Dear LEED Users, 

I need confirmation, Is the white cement concrete pavement dont require SR testing report or manufacturer documentation. Is it acceptable by...

Last reply: emily reese moody, Apr 5, 2024, 5:38 pm

Painting over the cement tile

NC-v4 SSc5: Heat Island Reduction
posted by Osman Faroq on Dec 17, 2023, 4:14 am

Dear All, 

In our project, we would like to appy coating with high...

Last reply: emily reese moody, Apr 5, 2024, 5:39 pm

WE Indoor water use reduction- Detention facility requirements

NC-v4 WEp2: Indoor water use reduction
posted by Lawrence Rennell on Feb 28, 2023, 4:42 pm

We are currently working on 2 small detention facilities (25 beds and 60 beds). Both projects are new construction and are not Retail, school, or hospitality projects. Only residential...

Last reply: emily reese moody, Apr 5, 2024, 6:01 pm

What equipment does "Discharge water temperature tempering" pertain to?

NC-v4 WEp2: Indoor water use reduction
posted by Glen Boldt on Jun 2, 2023, 8:19 pm

We are working on a hotel project. I can see where tables 2 and 4 relate directly o clothres washin gnas kitchen equipment, but I wonder about table 5 - Discharge water temperature tempering. ...

Last reply: emily reese moody, Apr 5, 2024, 6:15 pm

how to justify the conformity of our dishwashers with energy star while knowing that they do not hold the ENERGY STAR certific?

NC-v4 WEc2: Indoor water use reduction
posted by Sara BENLOUBA on Nov 2, 2022, 9:49 am

Hello everyone,

We have dishwashers that do not hold an energy star certificate but their performance (idle energy rate, energy washing and water consumption) are below the ENERGY STAR...

Last reply: emily reese moody, Apr 5, 2024, 6:24 pm