Credit language for IEQc4, Group 4 requires all “Batt insulation products” inside the weatherproofing system to “contain no added formaldehyde, including urea-formaldehyde, phenol formaldehyde and

In looking at the new 4.1, where can I look to determine if a products meets either the Action plan, the Advanced screening & assessment, or the Full assessment?

We are installing Armstrong Bio Based Tile that requires a polish after install. We are looking for a LEED V4 compliant floor polish product that meets the VOC and TVOC requirements.

We are designing an open aircraft hangar in southern Alabama that will not have any HVAC equipment.  How would we go about pursuing Optimize Energy Performance credits?

We have the calculations sf for our existing exterior enclosure and areas to be reused (excluding windows). How do we calculate the Exterior structure? 

Curious if anyone has submitted this strategy, successfully or not, or has any other insight - I took over this project after construction documentation was finished so I'm not sure what the thinki

This credit requires a certain percentage of renewable energy production capacity relative to annual cost.

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Good Morning,

A recessed LED troffer type fixture may have an indirect light component by way of internal reflectors that reflect upward-directed light within the fixture back down onto the space below.