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Exceptional calculation method application.

NC-2009 EAp2: Minimum Energy Performance
posted by FABIO VIERO on Jun 8, 2015, 4:07 am

Under ASHRAE 90.1 – G2.5, can we avoid to use a workaround to detail a HVAC system feature which could involve an energy saving, therefore avoid to do an exceptional calculation method, if we...

Last reply: Marcus Sheffer, Mar 28, 2024, 10:00 am

ventilation in Walk-in Coolers

Warehouses-NC-v4 EQp1: Minimum indoor air quality performance
posted by Francesco Passerini on Sep 5, 2023, 12:53 pm

Hello, is ventilation in Walk-in Cooler necessary for the prerequisite? Does the request depend on the indoor setpoint temperature?

If ventilation is necessary, do you have any suggestion...

Last reply: Dave Hubka, Feb 21, 2024, 10:08 am

Low emitting material- General Emission Evaluation

NC-v4 EQc2: Low-emitting materials
posted by Antonio Saccardi on Oct 3, 2019, 10:42 am

on following forum (https://leeduser.buildinggreen.com/forum/leed-v41-third-party-certifications), the LEED 3 rd party certification can be used for LEED v4.1. However, so far can be accepted in LEED v4.1 BETA...

Last reply: emily reese moody, Nov 14, 2023, 2:00 am

Acoustic performance: reverberation time

NC-v4 EQc9: Acoustic performance
posted by alessandro santuari on Jun 1, 2017, 9:28 am

Hi, we have a project with large waiting rooms: are there specific values for "...

Last reply: Soha ElYamany, Sep 26, 2023, 10:25 am

Rainwater Management

NC-v4 SSc4: Rainwater management
posted by Ribert Senzoga on Sep 5, 2023, 12:52 pm

I am evaluating the Rainwater Management of a warehouse project where the water table is very high and we don't have enough depth to make a water basin. Does LEED have any suggestion to deal with...

All campus occupants will use showerheads inside our building

NC-v4 WEp2: Indoor water use reduction
posted by Paola Moschini on Aug 7, 2023, 8:30 am

Our building is on a campus (industrial facility where all workers need to make a shower at the end of the worktime) and our building provides restroom facilities with showerheads for all other...

Last reply: Emily Purcell, Aug 7, 2023, 12:14 pm

Regional ACP for LEM VOC Emissions Evaluation- Manufacturer statement

NC-v4.1 EQc2: Low-emitting materials
posted by Muhammad Mahasneh on May 10, 2023, 3:54 am


i would like to ask about the April 2023 Update to the Regional ACP ID# 100002473 regarding Low Emitting materials:

"Laboratories that conduct the tests must be...

Last reply: Paula Melton, Jul 6, 2023, 9:14 am Air Leakage application in no heated or cooled spaces

Warehouses-NC-v4 EAp2: Minimum Energy Performance
posted by Paola Moschini on May 30, 2023, 5:20 am

About Mandatory Provision ASHRAE 90.1-2010 point Air Leakage. Must this prescription be applied also to fenestration and doors of a warehouse not heated or cooled? We are in Climate zone...

Last reply: Marcus Sheffer, May 30, 2023, 10:43 am

GHG emission factor- renewable energy and operating hours-EA energy performance O+M v4.1

EBOM-v4.1 EAp3: Energy Performance
posted by RICCARDO BALLESIO on May 18, 2023, 6:30 am

Hello everyone, 

in the previous version LEED...

Direction for testing new and retrofitted equipment

CI-v4 EAc1: Enhanced Commissioning
posted by Francesco Passerini on Mar 27, 2023, 4:38 am

Dear all,

Among the content that is request for the Ongoing...