FAQs about EAp2 :

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?

The Section 9 space-by-space method does not include residential space types. What should I use?

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?

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Forum discussion

NC-2009 EAp2:Minimum Energy Performance

Cooling EIR as the only evidence of PFan modeled separately?

We received an comment review about a system 6 (PVAV w/ PFP boxes) baseline model in eQuest: The SV-A reports indicates that the cooling efficiencies for the HVAC systems were not correctly reflected in the Baseline model and the supply fan energy has not been broken out as required (per G 3.1.2.1). We responded with a revised EIR (not eQuest Default calculation) and a narrative explaining the deduction steps. But it again was denied by the reviewer. My question is, in the appealing, am I supposed to keep fixating on the EIR calculation, or is there any other evidence of fan power being broken out in the SV-A report that I neglected before? Many thanks

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Tue, 06/04/2013 - 14:06

The EIR value is the only thing in the SV-A report that addresses the break out of fan power. Perhaps the issue is not using the eQUEST default calculation. So keep fixating.

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