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Airflow monitoring in VAV systems

NC-v4 EQp1: Minimum indoor air quality performance
posted by Paula Rantanen on Apr 11, 2017, 3:35 am

Indirect measurements such as temperature or current transducers are not allowed for...

Last reply: Christoph Keck, May 13, 2022, 5:35 am

ventilation in unheated and uncooled spaces

NC-v4 EQp1: Minimum indoor air quality performance
posted by Francesco Passerini on Apr 21, 2022, 7:22 am

I have doubts relative to the correct intepretation of ASHRAE 62.1 for unheated and uncooled spaces.

The text of ASHRAE is:

6.4 Natural Ventilation Procedure.

Natural...

Natural ventilation: what output from CFD model we need to show LEED for compliances?

NC-v4 EQp1: Minimum indoor air quality performance
posted by Michael on Apr 20, 2022, 12:22 am

Hi LEED experts, my project is a warehouse, they use natural ventilation through a double side louver. However, the distance between louvers is > 5 times of Ceiling height, which doesn't...

Summary page shows an error

NC-v4 EQp1: Minimum indoor air quality performance
posted by Madhura Dhayagude on Mar 21, 2022, 4:54 pm

Hello team, 

Does anyone know how to fix the LEED calculators to show all systems on the summary page? I am getting an error  where it does not show single zone and multiple systems...

Last reply: Afogreen Build, Mar 27, 2022, 11:10 pm

Radon Requirements for LEED v4- Residential/Dwelling Units

NC-v4 EQp1: Minimum indoor air quality performance
posted by Chris Wilson on Feb 28, 2022, 3:43 pm

We are working on a five-story student dormitory including a partial basement area in EPA Radon Zone 1.  Are we required to follow the guidance for 'residential only' projects in high-risk areas...

Constant volume AHUs- Monitoring requirements AHU status On/Off

NC-v4 EQp1: Minimum indoor air quality performance
posted by Alessandro Zuanon on Feb 23, 2022, 10:24 am

Dear all,

i'm in the case of constant volume AHUs, the operating logic is ON/OFF. Regarding monitoring requirements for...

Last reply: Alessandro Zuanon, Feb 28, 2022, 3:25 am

Pass air method

NC-v4 EQp1: Minimum indoor air quality performance
posted by Alex Edwards on Feb 21, 2022, 7:35 am

Hello!
Thanks for everyone's help, I have a question about the pass air method
we have a project that is intended to only supply fresh air to the office area, and then to take the air...

Mandatory MERV 11 or higher filters in existing building

NC-v4 EQp1: Minimum indoor air quality performance
posted by Francesco Passerini on Oct 15, 2021, 12:25 pm

The credit requests confirmation that the project has...

Last reply: Afogreen Build, Feb 9, 2022, 9:39 am

Pilot Credit INpc155

NC-v4 EQp1: Minimum indoor air quality performance
posted by Vassil Vassilev on Jan 26, 2022, 2:27 am

Greetings,

In an attempt of following this Pilot credit, the following question (related to #1b. of the Requirements) appeared:

In case our project has no recirqulation, meaning it...

ASHRAE 62.1 2010. Section 6.2.1.2 PM2.5

NC-v4 EQp1: Minimum indoor air quality performance
posted by Eric Dyer on Jan 11, 2022, 4:27 am

Hello
We are working on the LEED project in Korea.

I have a question about ASHRAE 62.1 2010.
Section 6.2.1.2 says, "When the building is located in an area where the national...

Last reply: Dang Thi, Jan 17, 2022, 3:10 am