Discuss US Green Building Council LEED-AP-ID+C Exam Topic 4 Question 25

A tenant moves into an existing building where no modifications to the building envelope will be made. What credit would be affected by the visible light transmittance of the existing exterior glazing?

AIndoor Environmental Quality Credit, Daylight

BIndoor Environmental Quality Credit, Quality Views

CMaterials and Resources Credit, Interiors Life-Cycle Impact Reduction

DEnergy and Atmosphere Credit, Fundamental Commissioning and Verification

Suggested Answer: A

The visible light transmittance of the existing exterior glazing affects the amount of natural light that penetrates the space, which is directly related to the Indoor Environmental Quality Credit for Daylight. This credit assesses the daylighting conditions in occupied spaces to promote occupants' comfort and well-being.Since no modifications to the building envelope are being made, the existing glazing's light transmittance will influence the daylight credit's performance1.

LEED v4 Reference Guide for Interior Design and Construction, specifically the section on Indoor Environmental Quality Credit: Daylight1.

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26 comments · newest first

Eladia 1 day ago

Exactly! More daylight means less artificial lighting needed.

Lucy 6 days ago

True, but daylight impacts energy use more directly.

Lawanda 12 days ago

But what about B) Quality Views? It could also be affected.

Eladia 17 days ago

Agreed! Daylight is crucial for tenant comfort.

Julene 22 days ago

I think it's A) Indoor Environmental Quality Credit, Daylight.

Chantell 27 days ago

Exactly! Daylight improves well-being.

Vi 1 month ago

I’m leaning towards A too. It’s all about the environment.

Glory 1 month ago

Yes! Natural light can transform a space.

Frankie 1 month ago

I feel like A is the best choice. Daylight is crucial in design.

Bo 2 months ago

True, but if no changes are made, A seems more relevant.

Hyman 2 months ago

But what about B? Quality Views could also be impacted.

Enola 2 months ago

Agreed! Daylight affects mood and productivity.

Jordan 2 months ago

I think it's A, Daylight. Light matters!

Erick 2 months ago

Definitely A, but I see how it could be confusing.

Ashleigh 2 months ago

I thought it was about views, not just daylight!

Sarina 3 months ago

Wait, are we sure the glazing really affects that credit?

Laura 3 months ago

Totally agree, daylight is key for indoor quality!

Aretha 3 months ago

A) Indoor Environmental Quality Credit, Daylight is the right one.

Markus 3 months ago

I’m confused about this one. I thought glazing mostly affected energy credits, but I guess it could tie into indoor quality too?

Javier 3 months ago

I practiced a question similar to this, and I remember that visible light transmittance is crucial for daylight credits. So, A seems likely.

Carol 3 months ago

I'm not entirely sure, but I feel like it could also be B since quality views might be influenced by the glazing.

Billi 4 months ago

I think this might relate to daylighting, so maybe it's A? I remember something about how natural light impacts indoor environments.

Rhea 4 months ago

I’m leaning towards A, but I recall that Quality Views also considers glazing. It’s tricky to remember which one is more directly impacted.

Noah 5 months ago

I'm a bit confused. I thought visible light transmittance was more about energy efficiency rather than indoor quality. Could it really be about Indoor Environmental Quality?

Latricia 6 months ago

I remember practicing a question like this where we discussed how glazing affects indoor environments. I feel like it's definitely about daylight.

Joni 6 months ago

I think it might be related to daylight, but I'm not entirely sure if it's specifically for the Daylight credit or the Quality Views credit.

US Green Building Council LEED-AP-ID+C Exam - Topic 4 Question 25 Discussion