Has anyone been able to calculate the daylighting provided by Solatube's with the prescriptive method? If I use the spreadsheet, it comes up with a crazy number of 1 solatube daylights 65 sf -...

If you're having trouble knowing exactly how much uplight the light fixtures on your site are emitting there is a simple free tool for converting an IES file into an output that will display...

Hi, I am working on a project that is targeting IEQ 8.1. We are going to use option 1 to show credit compliance. For the simulation we use Relux. In relation to that a few thinks are not clearly...

Has anyone worked on an Air national Guard traning facility and been able to determine which areas are considered regularly occupied?
Training at the facility only occurs one weekend a...

We are working on a large school renovation. They need to clean some floors with strippers... do those need to comply with...

I don't see how one goes from the candela - degrees diagram and translate that into how many lumens are above nadir...what's the limit on % anyway?

Hello,
Anybody knows if a Foyer in a Hotel (mainly a hall to access 3 meting rooms with a "coffe and cookies" table for the meeting room users) would count as occupied space?

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Intent: "To protect ecosystems, respect cultural and community values, and improve land use through responsible sourcing of raw materials used for building products."

The requirement for...

I'm working on a project that would like to apply this credit to a new construction building. The new building is part of a college campus, but the LEED boundary only includes the new building....

I'm confused by the Options and Paths for this credit. Does Option 2 achieve more credits than Option 1?