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IEQ PreReq - Carbon monoxide monitoring

NC-v4 EQp1:Minimum indoor air quality performance
posted by  Kim C  on 

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

6
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Junior HVAC Design Engineer - Sustainability
PNC Architects
LEEDuser Basic Member
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Tue Aug 19, 2025, 7:57 am

Overseas PM2.5 Non-Attainment Areas

NC-v4 EQp1:Minimum indoor air quality performance
posted by  Timothy Ian Middleton  on 

Our project is in what would be considered a PM2.5 Non-attainment area if it were in the USA (according to ASHRAE 62.1 table I-1) because it is just above the 12µg/m3 annual average.

1
Fri Jul 25, 2025, 2:49 am

Parking garage exhaust ventilation

NC-v4 EQp1:Minimum indoor air quality performance
posted by  Norbert Harmathy  on 

Hello,

We are working on a  New Construction office building.

The garage  within the building consists of two identical underground floors.

0

Monitoring - Mechanically ventilated spaces

NC-v4 EQp1:Minimum indoor air quality performance
posted by  Anna Bortkiewicz  on 

Hello, I have a system in a hotel that has a constant air volume system of crca 550 l/s and I am not sure how to correspond to the requierement of LEED: 

3
Mon May 19, 2025, 12:02 pm

Radon mitigation in High-Rise Mixed-Use project

NC-v4 EQp1:Minimum indoor air quality performance
posted by  GANESH NAYAK  on 

A high-rise mixed-use project with two levels of office and multiple levels of residential is in EPA Zone 1 for radon.

3
Fri May 2, 2025, 10:31 am

Are CO sensors needed for lodging units with no kitchen facilities

NC-v4 EQp1:Minimum indoor air quality performance
posted by  Alokmay Behera  on 

There is a labor accomodation project with the no cooking facilities whatsoever. There will be centralised kitchen facility for the project. Do we still need to have CO sensors one per unit?

5
Wed Apr 23, 2025, 2:03 pm

IAQ Calculator Space Categories

NC-v4 EQp1:Minimum indoor air quality performance
posted by  Junaid Mujahid  on 

In some of our projects, we are providing outdoor air to some spaces which do not require outdoor air supply as per ASHRAE 62.1. For example, water tank room, some storages etc.
 

0

Should MAHUs be included in IAQ Calculator

NC-v4 EQp1:Minimum indoor air quality performance
posted by  Junaid Mujahid  on 

In a Mall project, it has multiple kitchens/restaurants which have ecology units that exhaust air (fume hoods).

0