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Confusing about how to determine the Vps in VRP calculationNC-v4 EQp1: Minimum indoor air quality performanceposted by James Cai on Oct 24, 2021, 11:59 pm
Dear all, We have been told by LEED coach that under cooling condition, the VRP calculation should use minimum Vpz for zone, and use the design maximum Vps for system, but if all VAVbox's... |
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Is Zone Outdoor Airflow meets or exceeds for all zones required?NC-v4 EQp1: Minimum indoor air quality performanceposted by Justin Shultz on Jun 18, 2021, 9:18 am
We are working with a "Dayroom" space that has the following requirements: 4... Last reply: Afogreen Build, Oct 18, 2021, 12:31 am |
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How to identify nonattainment areas for projects outside of the US/Canada?NC-v4 EQp1: Minimum indoor air quality performanceposted by Guillaume FABRE on Jul 21, 2020, 2:00 am
Hi all, I am pretty clear about the definition of nonattainment area given in ASHRAE 62. This being said, how to identify nonattainment areas for projects outside of the US/Canada? Are you aware... Last reply: Afogreen Build, Aug 26, 2021, 8:14 pm |
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Natural ventilation with exhaust fan for dormitory corridorNC-v4 EQp1: Minimum indoor air quality performanceposted by Yuxiang Zhao on Aug 25, 2021, 10:55 pm
Hi, We are now doing a school dormitory project. The owner do not intend to design mechanical ventialtion system (with piping system) for the corridors. The corridors connects occupiable... |
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OA Flow Measurement on VAV Rooftop UnitsNC-v4 EQp1: Minimum indoor air quality performanceposted by William Bates on Feb 22, 2020, 7:24 am
Hello, We do a lot of projects where... Last reply: Devendra Chaughule, Aug 17, 2021, 4:37 am |
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Fresh air inside a manufacturing building- specific roomsNC-v4 EQp1: Minimum indoor air quality performanceposted by Simon Joubert on Jan 17, 2020, 7:08 am
Hi, We are currently working for a LEED project - industrial building creating petfood - under NC V4 scheme. We are facing some difficulties to understand wich rooms need fresh air... Last reply: Gustavo De las Heras Izquierdo, May 20, 2021, 2:12 pm |
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MERV 11NC-v4 EQp1: Minimum indoor air quality performanceposted by Gustavo De las Heras Izquierdo on May 17, 2017, 12:48 pm
Hallo, In an office building located in Mexico City (a location with a high PM2.5 and ozone levels), the floors are served by AHU’s equipped with... Last reply: Olman Joaquin Ledezma Unzueta, May 11, 2021, 10:54 am |
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Natural Ventilation in high-rise residential buildingNC-v4 EQp1: Minimum indoor air quality performanceposted by Ricardo Sá on Jan 12, 2021, 9:40 am
Dear All, According to the web-based... Last reply: Dave Hubka, Apr 12, 2021, 9:04 pm |
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Dwelling units monitoringNC-v4 EQp1: Minimum indoor air quality performanceposted by Nicolas Martinez Ochoa on Sep 22, 2020, 7:45 pm
Hello everyone, I’m working in a multifamily project which uses natural ventilation for both conditioning and ventilation. My question is regarding indoor air quality monitoring. The... Last reply: Florian Schmidtchen, Feb 10, 2021, 6:39 am |
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CO2 Sensors in Naturally Ventilated SpacesNC-v4 EQp1: Minimum indoor air quality performanceposted 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... Last reply: Florian Schmidtchen, Feb 10, 2021, 6:02 am |