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Green Power contract engagement question

NC-v4 EAc7: Green power and carbon offsets
posted by Norbert Harmathy on Nov 22, 2022, 9:10 am


We want to apply for the Green Power and Carbon Offset credits under LEED v4 BD+C New Construction & Major renovation project.

The credit description states that the...

Last reply: Marcus Sheffer, Dec 1, 2022, 10:53 am

Process water use- total building regulated water use definition

NC-v4.1 WEc3: Optimize Process Water Use
posted by Zsuzsanna Gidro on Sep 28, 2021, 10:01 am


It is unclear to me what does the total building regulated water use means in this case. Is this equal to the indoor water use (plumbing fixtures use) calculated in the prerequisite?...

LEED Online is not displaying Reginal Priority credit category

NC-v4 RPc1: Regional Priority
posted by Norbert Harmathy on Jun 8, 2021, 8:55 am


We registered a new project under LEED v4 NC. In ALL Credit categories listed, there is NO Regional Priority credit category.

How should we upload the documentation for the...

Last reply: Simon Joubert, Jun 23, 2021, 2:24 am

62. Daylight modeling requirement Perez Sky

WELL v1 Building Standard Tip Sheet
posted by Zsolt Bako-Biro on Nov 12, 2020, 3:12 am

Is there a requirement for using Perez Sky model to achieve Spatial daylight autonomy (...

v4.1 Renewable Energy // heat pump in Tier1?

NC-v4.1 EAc5: Renewable energy
posted by Claudia Sturcz on Oct 15, 2020, 3:15 am

Dear All, 

According to v4.1 do heat pumps belong to Tier1 category? If the energy will be provided in equal rate from boilers and heat pumps than we shoud calculate 50% renewable? Or this...

Last reply: Marcus Sheffer, Oct 15, 2020, 8:08 am

Open-office workstations thermal comfort control

CI-v4 EQc5: Thermal comfort
posted by Zsuzsanna Gidro on Feb 5, 2019, 7:00 am


We have a project with open office areas including workstations with 12 people (2 desks facing each other counting as one workstation). The HVAC system is zoned in areas containing in...

Last reply: Seema Pandya, Sep 29, 2020, 6:07 pm

Bicycle path width

CS-v4 LTc6: Bicycle facilities
posted by Agnieszka Rylska on Nov 2, 2018, 6:09 am

Next to our project there is a city network of bicycle paths (marked lanes on a pavement) leading to many diverse uses and rapid transit stops. The Investor is also planning to provide...

Last reply: Agnieszka Rylska, Jan 17, 2020, 8:53 am

Minimum IAQ Performance Calculator Summary sheet Voz

NC-v4 EQp1: Minimum indoor air quality performance
posted by Claudia Sturcz on Sep 6, 2019, 7:20 am

On the summary sheet in the last column  "n/a" data appears even if the Voz values are filled in the other sheets. We can't find the solution.  Could somebody help me?


Baseline- System 5, no cooling

NC-2009 EAp2: Minimum Energy Performance
posted by Zsolt Bako-Biro on Mar 5, 2018, 1:14 pm

I have a 11000 sqm warehouse (3 units) 24/7 in operation with natural ventilation, no cooling designed or required, heated to 15°C. The OA requirement is met by the level of...

Last reply: Zsolt Bako-Biro, Mar 16, 2018, 2:26 pm

sDA simulation- window groups for core and shell buildings

NC-v4 EQc7: Daylight
posted by Diana Apro on Jul 26, 2017, 4:50 am

Dear All,

I have difficulties to define window groups for internal shading control when carrying out Option 1 (...

Last reply: Diana Apro, Jul 27, 2017, 3:20 am