I am working on a project that is using heat pump chillers to generate hot and cold water for the building systems. When the building loads are cooling dominated, the excess heat is rejected to...

The new v4.1 requirements for credit Rainwater Management - option 1, state that "The percentile event volume must be retained (i.e. infiltrated, evapotranspirated, or collected and...

I am doing the energy model for a project. The project total area is “153,145 sf”, 25,346 sf area of the total area is condition and the other “127,799” sf area is unconditioned, “ventilation fan...

Hi everyone

What is the most recommended energy simulation software you have used for the EAp2 requirement? My first options are Design Builder and Green building studio so I hope you can...

I've been looking at Appendix C of ASHRAE 62.1-2010 for a way, and I keep scratching my head.  Does anyone how to calculate for the...

A developer for a residential project in an urban area is reviewing potential sites that would reduce vehicle distance traveled. Which site would help with this goal and with achieving LT Credit...

In previous versions of LEED, we used Environmental Materials Reporting Forms for contractors to report information for the MR and IEQ credits. However, for v4 what are people typically using for...

Can I use the potable water analysis reports from the city utility to calculate the cycles?

we are working on a project under LEEED V4 BD&C, does the exterior concrete curing compound (to be used on the exterior slabs) need to meet the...

Hello!

Has anyone succesfully certified a project under the Interior Lighting v4.1 - Surface Reflectivity requirements by documenting the interior finishes plan and the wall painting...