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Intermittent ventilation

NC-v4 EQp1: Minimum indoor air quality performance
posted by Dustin Smith on Jan 22, 2019, 11:16 am

Has anyone successfully used scheduled intermittent ventilation for a constant-volume exhausted space to avoid overventilation, and to minimize energy usage, in a warehouse or similar space?

DX unit fan cycling with occupancy

NC-v4 EQp1: Minimum indoor air quality performance
posted by Saif A on Jan 17, 2019, 6:05 pm

Hi

I have some of the amenity spaces in a residential building served by small constant flow DX units. The outside air is routed to the units and balanced to provide the required minimum...

Compliant air-cleaning devices for ozone

NC-v4 EQp1: Minimum indoor air quality performance
posted by LEEDme Lorenzi on Jan 16, 2019, 7:49 am

We are working on a project where the ozone levels exceed the most recent three year average, so we must include air-cleaning devices for ozone. Are...

Last reply: LEEDme Lorenzi, Jan 18, 2019, 6:13 am

Ozone treatment

NC-v4 EQp1: Minimum indoor air quality performance
posted by Gabriela Crespo on Jul 18, 2016, 5:40 pm

Dear all,

We are working on a project where the ozone levels exceed the most recent three year average, so we must include air-cleaning devices for ozone. Does anybody have any guidance...

Last reply: LEEDme Lorenzi, Jan 11, 2019, 9:04 am

IEQ PreReq- Carbon monoxide monitoring

NC-v4 EQp1: Minimum indoor air quality performance
posted by Yun Kim Cheong on Oct 11, 2018, 1:59 am

The pre-requisite criteria speaks of having Carbon monoxide monitors installed in each dwelling unit. 

However, it is not common for dwelling units in Malaysia/Singapore to have such...

Last reply: Christopher Schaffner, Jan 2, 2019, 9:51 am

Problems with the calculator found in the resources tab in the credit library

NC-v4 EQp1: Minimum indoor air quality performance
posted by Maria Porter on Nov 5, 2018, 5:56 am

Hi!

I have a problem using the calculator for ASHRAE that is supposed to be uploaded on LEED Online, nothing happens when I enter values. I have 100 % outdoor air system, using SI-units. I...

Last reply: Dionisio Franca, Dec 11, 2018, 1:54 am

Airflow Monitoring with DCV

NC-v4 EQp1: Minimum indoor air quality performance
posted by Nancy Henderson on Nov 13, 2018, 7:25 pm

Hello, we have several projects that are using single zone RTU's with CO2 based demand control ventilation.  We have...

Last reply: Nancy Henderson, Dec 4, 2018, 1:57 pm

Attached to existing building

NC-v4 EQp1: Minimum indoor air quality performance
posted by Omar ElRawy on Nov 29, 2018, 6:11 am

I have a new building which is to get attached to my existing non-LEED building.  The new prospect LEED NC building is to have a door to access the existing building, so I need to know if I need...

CO2 Sensors in Naturally Ventilated Spaces

NC-v4 EQp1: Minimum indoor air quality performance
posted by Nathan Gauthier on Nov 28, 2018, 9:36 am

Can anybody confirm if free-standing CO2 sensors that provide a visual alert to the room's occupant only (not connected to...

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: Salvador QUERO, Nov 26, 2018, 5:54 pm