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axial fan cooling tower

NC-v4 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Jan 23, 2018, 6:45 am

G3.1.3.11 states: “The heat rejection device shall be an axial fan cooling tower with two-speed fans, and shall meet the performance requirements of Table 6.8.1G.”

In Table 6.8.1G I see...

Last reply: Marcus Sheffer, Sep 5, 2019, 12:47 pm

EACs and Carbon Offset- Duration of Contract

Retail-CI-v4.1 EAc4: Renewable energy
posted by Michele Bradanini on Jul 29, 2019, 12:21 pm

Hi all LEEDUsers,

For one of our projects, we would like to pursue this v4.1 credit by purchasing Energy Attribute Certificates (EACs) or carbon offsets. In the credit requirements...

glare-control devices for C&S

CS-v4.1 EQc4: Daylight
posted by Francesco Passerini on Jul 15, 2019, 10:32 am

Hello, the reference guide states: "Provide manual or automatic (with manual override) glare-control devices for all regularly occupied spaces".

Is that mandatory for spaces occupied by...

REACH registration number

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Francesco Passerini on Jul 8, 2019, 5:53 am

In safety data sheets the calcium diformat is labeled with REACH registration number 01-2119486476-24-xxxx

Therefore I would think that it is included in the REACH lists but in the REACH...

Last reply: Natalia Kopocinska, Jul 15, 2019, 7:07 am

Heat pump and photovoltaics as District Energy System

NC-v4 EAc2: Optimize Energy Performance
posted by Giulia Guglielmo on May 20, 2019, 10:40 am

Building A is part of a complex of four buildings, but only the building A is subject of LEED certification. The building heating, cooling and service water heating system is served by a heat...

Last reply: Marcus Sheffer, Jun 12, 2019, 2:46 pm

Emissions dans l'air intérieur

NC-v4 EQc2: Low emitting materials
posted by Francesco Passerini on May 24, 2019, 10:24 am

Do you know whether the French label "Emissions dans l'air  intérieur" class A+ is valid for the credit requirements for interior paints?

from ...

Last reply: Reinhard Oppl, May 31, 2019, 7:57 am

Software for Energy Modelling

NC-v4 EAc2: Optimize Energy Performance
posted by Andrea Valentini on May 24, 2019, 7:25 am


I'm working on a project in Italy and evaluating to buy a new BIM software.

Is there anyone who knows if it's possible to analyze our building with a proper BIM SW?


Last reply: Marcus Sheffer, May 29, 2019, 9:48 am

non-attainment area for PM2.5

NC-v4 EQp1: Minimum indoor air quality performance
posted by Francesco Passerini on Feb 24, 2016, 4:28 am

In Europe which parameters shall be considered to establish whether the site is non-attainment area for PM2.5?

Last reply: Maki Watanabe, Apr 12, 2019, 12:51 am

ETo calculation

NC-v4 WEp1: Outdoor water use reduction
posted by Andrea Valentini on Apr 8, 2019, 12:27 pm

Hi all,

I'm working on a project outside of the US, therefore I am using the international version of the WaterSense Water Budget Tool downloaded from the USGBC website.

In order to...

Last reply: Jens Apel, Apr 9, 2019, 2:18 am

Light Pollution Reduction credit threshold

NC-v4 SSc6: Light Pollution Reduction
posted by Francesco Passerini on Dec 20, 2017, 12:10 pm

​Picking the options will now show a point total "1 of 1 points selected". ​Thank you for asking the question.  USGBC does read these forums. Log in or register to post comments ...

Last reply: Bill Swanson, Mar 28, 2019, 1:32 pm