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Problems with v4v4 1_Indoor Water Use Reduction Calculator_v05.1.xlsm

Schools-NC-v4 WEp2: Indoor water use reduction
posted by Alexia Anastassiadis on Jan 4, 2024, 4:10 pm

Hi all!

I am working in a High School project and have separated my Groups into Students and Staff, however, when I try to set the Uses per Day to zero for...


Pilot-Credits EQpc123: Designing with Nature, Biophilic Design for the Indoor Environment
posted by Ingrid Muñoz on Jan 17, 2023, 7:36 pm

Hello, we are pursuing the Designing with Nature, Biophilic Design for the Indoor Environment pilot credit for an interior commercial. Is it possible to use the following strategy as part of...

Last reply: Matthieu Kieken, May 1, 2023, 11:28 am

Imported material with EPD

NC-v4.1 MRc2: Environmental Product Declarations
posted by Gustavo De las Heras Izquierdo on Jan 13, 2023, 12:56 pm


We have received the following review comment:

The "XYZ" type A EPD indicates that the global region is Chile, yet the project is located in Peru. In...

Last reply: Ahmed Abd El Fattah, Apr 10, 2023, 11:58 am

Option 1- what is the minimum number of cycles

NC-v4.1 WEc3: Optimize Process Water Use
posted by Gustavo De las Heras Izquierdo on Nov 30, 2022, 3:08 pm


Let's say that my project has a bad quality of potable water, and the concentration levels are the same as Table 2. Therefore, the maximum number of cycles would be "1 cycle".


Minimum IAQ Performance Calculator- Multiple Zone and 100% OA

CI-2009 IEQp1: Minimum indoor air quality performance
posted by Ron Dean on Feb 7, 2017, 2:45 pm

I have difficulty filling out the Minimum...

Last reply: Devendra Chaughule, Aug 10, 2022, 10:06 am

When to Make an Appeal

NC-v4 WEp1: Outdoor water use reduction
posted by Monica Uceda on Jun 2, 2021, 2:26 pm

Hello everyone, 

We made the design review presentation for an educational building in late 2020 that didn't incorporate a landscaping project. We went to the full 2 rounds of design...

How to achieve minimum savings in energy consumption in a naturally ventilated project with high miscellaneous loads?

NC-v4 EAp2: Minimum Energy Performance
posted by Jose Antonio Kovacevic on Jul 27, 2020, 4:31 pm

We are currently working on a naturally ventilated project located in Lima, Peru and we are having problems achieving the minimum 5% saving in energy consumption for the energy prerequisite. The...

Last reply: Marcus Sheffer, Jul 28, 2020, 1:05 pm

WELL 36:Water treatment w/Ultraviolet germicidal irradiation as a LEED v 4 ID credit

WELL v1 Building Standard Tip Sheet
posted by Elda Silva on Jun 15, 2020, 6:22 pm


I am wondering if Ultraviolet germicidal irradiation at the water Inlet valve of the project could be used as an ID credit for LEED v4. The project is located in northern Peru,...

Energy Simulation: naturally ventilated and conditionated (No HVAC)

NC-v4 EAp2: Minimum Energy Performance
posted by Jose Antonio Kovacevic on Jun 4, 2020, 5:01 pm

We are pursuing LEED V4 NC Certification for a building that is part of a University Campus.

The project is located in Lima, Peru, where the climate is ideal for natural ventilation and...

Last reply: Santiago Sánchez Sánchez, Jun 9, 2020, 4:13 pm

Unisex Toilet

NC-2009 WEp1: Water Use Reduction
posted by sebastian castañeda on Jun 17, 2016, 12:01 pm

Lead CannonDesign LEEDuser Expert 300 thumbs up May 6, 2020- 6:42 pm Hi Edgar, I just realized this is the v2009 forum and I was looking at the v4 water calculator. Apologies for the mix-up. It still...

Last reply: Emily Purcell, May 7, 2020, 3:52 pm