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No fresh mechanical fresh air intake bieng implemented

NC-v4.1 EQp1: Minimum indoor air quality performance
posted by Mahnoor Ali on May 14, 2024, 4:53 am

Hello community, I'd really like any of you guys help with this So our building is a dwelling unit with multiple rooms where labour/ workers will be living each each room has access to outdoors...

Last reply: Andrey Kuznetsov, May 14, 2024, 11:11 am

Engineered Natural Ventilation or Mechanical Ventilation

NC-v4.1 EQp1: Minimum indoor air quality performance
posted by Paola Moschini on Aug 24, 2023, 10:27 am

Dear all, we are working on a student residence in which every room is equipped with a façade-mounted trickle vent, allowing for the entrance of outdoor air at a rate of 40 m3/hour which is...

Last reply: Julian Bork, Sep 6, 2023, 7:24 am

Minimum Outside air in DCV systems

NC-v4.1 EQp1: Minimum indoor air quality performance
posted by Marc Maso on Jun 22, 2023, 9:16 am

Dear Srs, we are using the DCV strategy in one building. The doubt are when we need to ventilated or not...

A room have a schedule of 8am to 18:00

  • Beetween this hours the room...

Multizone or Single Zone 62.1 Calculation?

NC-v4.1 EQp1: Minimum indoor air quality performance
posted by Jon Silhol on Nov 10, 2022, 12:00 pm

We are designing a TV studio that has two ventilation zones; 1) Stages, studios and 2) Auditorium for seating areas within the TV studio.  There is a dedicated single zone, recirculation...

Naturally Ventilated Spaces-Exhaust Airflow measurement Devices and CO2 Measurements

NC-v4.1 EQp1: Minimum indoor air quality performance
posted by Ayman Raouf on Dec 18, 2021, 3:11 am

I am curious to know why mechanically ventilated spaces do not require using direct exhaust airflow measurement devices whereas naturally ventilated spaces do. And also, why do mechanically...

Measuring Strategies for VAV and Constant Volume Systems

NC-v4.1 EQp1: Minimum indoor air quality performance
posted by Ayman Raouf on Dec 18, 2021, 3:02 am

I noticed that the monitoring for Constant Volume Systems differ from the...

Residential Building (9-Story)

NC-v4.1 EQp1: Minimum indoor air quality performance
posted by CT G on Feb 2, 2021, 12:51 pm

We are working on a 9-story residential project that is being certified v4.1 BD+C: New Construction. The spaces (including all dwelling units) are cooled by VRF indoor units and heated by radiant...

Last reply: Sherman Aronson, May 2, 2021, 7:40 pm

Dwelling units monitoring

NC-v4.1 EQp1: Minimum indoor air quality performance
posted by Nicolas Martinez Ochoa on Sep 24, 2020, 10:20 am

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...

Monitoring System Single Zone VAV

NC-v4.1 EQp1: Minimum indoor air quality performance
posted by Rosalie Deliz on May 20, 2020, 8:51 pm

Hello,

We are using single zone roof top package roof top units on one of our jobs. Does the requirement for monitoring a...

Monitoring requirement for individual rooms

NC-v4.1 EQp1: Minimum indoor air quality performance
posted by Kelvin Su on Apr 24, 2020, 11:55 am

We are working on a project that is a manufacturing facility with a small percentage of office space. The manufacturing area is using direct evaporative cooling and drawing in OA through this...