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Natural Ventilation Procedure- Prescriptive Path 62.1 2010

NC-v4 EQp1: Minimum indoor air quality performance
posted by Nicolas Martinez Ochoa on May 24, 2018, 5:30 pm

Hello everyone,

I have a question about the location and sizing openings, in the building we have spaces with double side openings, in opposite facades. The 6.4.2 section specifies that...

Last reply: Dionisio Franca, May 28, 2018, 4:31 am

air transfer

NC-v4 EQp1: Minimum indoor air quality performance
posted by Agata Mozer on Apr 11, 2018, 10:41 am

On our project we have a few spaces like corridors and break rooms with kitchen area which don't have a direct ducted air supply from the...

IEQ Space Matrix?

NC-v4 EQp1: Minimum indoor air quality performance
posted by Erica Downs on Mar 29, 2018, 2:50 pm

Is the IEQ Space Matrix still relevant for this Prereq under v4? Under v3 there were some differences between ASHRAE-applicable spaces and LEED-applicable spaces.  Wondering if that is still the...

Last reply: Erica Downs, Apr 3, 2018, 2:46 pm

Airflow Monitoring for constant volume with DCV

NC-v4 EQp1: Minimum indoor air quality performance
posted by Nancy Henderson on Mar 15, 2018, 1:11 pm

We are working on a YMCA with multiple single zone packaged rooftop units.  The engineer has designed every unit with CO2...

EN 13779–2007

NC-v4 EQp1: Minimum indoor air quality performance
posted by Francesco Passerini on Jul 18, 2017, 4:50 am

We are deciding between the use of EN 15251 and the use of ASHRAE 62.1. Do you have experience in applying EN 13779–2007? I've started to read that and I'm wondering whether there are aspects...

Last reply: Francesco Passerini, Mar 7, 2018, 12:51 pm

ventilation chimneys for buffer space

NC-v4 EQp1: Minimum indoor air quality performance
posted by Francesco Passerini on Nov 23, 2017, 12:18 pm

The corridors are separated from the staircase by two doors in order to create a space (buffer space) whose walls and doors are fire-resistant. That space is ventilated through a ventilation duct...

Last reply: Ben Stanley, Mar 5, 2018, 3:38 pm

MInisplit Units

NC-v4 EQp1: Minimum indoor air quality performance
posted by PAULA HERNANDEZ on Sep 7, 2017, 12:44 pm

Hi, I would like to know if minisplit (non-ducted) units have to comply with Standard 62.1-2010, Section  5.8, "...p0articulate filters or air cleaners with a minimum efficiency reporting value...

Last reply: Lawrence Lile, Jan 11, 2018, 2:50 pm

Natural Ventilation

NC-v4 EQp1: Minimum indoor air quality performance
posted by Ricardo Sá on Jan 9, 2018, 7:56 am

Hi,

we're modeling a building that will have ventilation ensured by openable windows in each space (compliant with ASHRAE 62.1 requirements). All spaces are endowed with cooling...

Ventilation in the garage with OPTION 2

NC-v4 EQp1: Minimum indoor air quality performance
posted by Francesco Passerini on Dec 18, 2017, 1:24 pm

We are going to demonstrate the compliance with the prerequisite using OPTION 2. CEN STANDARDS EN 15251–2007 AND EN 13779–2007. According to those standards, no mechanical ventilation is needed...

Last reply: Jens Apel, Dec 19, 2017, 2:55 am

Minimum Indoor Air Quality Performance Calculator with buggy

NC-v4 EQp1: Minimum indoor air quality performance
posted by Vitor Tosetto on Jul 8, 2014, 12:16 pm

I've found another buggy in this calculator. In worksheet 'SZU', the column 'L' doesn't make the calculation to find 'Voz', always is empty. Did another user find this error?

Last reply: Ben Stanley, Dec 12, 2017, 1:25 pm