FAQs about EAp2 :

Can the Passive House Planning Package (PHPP) be used to energy model for LEED?

Is it acceptable to model a split-type AC with inverter technology compressor as a heat pump, like modeling VRF?

Can the Trace 700 'LEED Energy Performance Summary Report' by uploaded to LEED Online in lieu of the Section 1.4 tables spreadsheet?

A portion of our building envelope is historic. Can we exclude it from our model?

Which baseline HVAC system do I use if my building has no heating or air conditioning?

For an existing building, do I need to rotate the model?

Our project has a diesel backup generator. Should we include it in our energy model?

Our project has a large process load—75%. Despite our efforts to make an efficient HVAC design, the cost savings are minimal. What can we do to earn this prerequisite and be eligible for LEED certification? Is there any flexibility in how we model the p

Can SHGC be higher in the proposed than in the baseline model?

Our process load is higher than 25%. Do we have to justify that?

Do I need to justify the electrical and fuel rates I am using in my model?

Our local code references ASHRAE 90.1-2010. Should I use that for my documentation, or 90.1-2007?

Can I claim exterior lighting savings for canopy lighting even though a baseline model cannot include shading elements?

The project is built on a site with existing exterior lighting installed. How should this be accounted for?

Can mezzanines open to floors below be excluded from the energy model?

How do I provide a zip code for an international location?

For a project outside the U.S., how do I determine the climate zone?

For a project outside the U.S., how do I determine the Target Finder score?

Do hotel rooms need automatic light shut-off control?

How commonly are the 90.1 mandatory compliance forms submitted as part of EAp2/EAc1?

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Forum discussion

Schools-2009 EAp2:Minimum Energy Performance

LEED 2009 for Schools - EAp2 - Option 2 - Applicable AEDG

There are currently two ASHRAE AEDG versions available, one if for 30% savings over ASHRAE 90.1-1999 minimum and the other is for 50% savings over ASHRAE 90.1-2004 minimum. LEED 2009 for schools does not specify which AEDG should be used under EAp2 - Option 2. Does this mean that either one can be used?

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Wed, 07/16/2014 - 20:31

The one referenced for LEED 2009 was the 30% one published in 2008.

Wed, 07/16/2014 - 21:05

Marcus, I don't see it in the LEED 2009 BD+C Reference Guide, EAp2, Summary of Reference Standards, Page 242. Is this clearly addressed by USGBC in some other document?

Wed, 07/16/2014 - 21:14

Just in the document of logic. When LEED 2009 came out the only version available was the 30% one which was published in 2008. The 50% one was published in 2011 so it could not be in LEED 2009. When the Reference Guide was published the 50% one was not even out. LEED does not adopt new versions of standards automatically. The 50% one is referenced in LEED v4.

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