FAQs about EAp2 :

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?

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?

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Forum discussion

NC-2009 EAp2:Minimum Energy Performance

Treatment of Outdoor Air for Incomplete Spaces

I recently received LEED review comments regarding the treatment of incomplete space in an energy model for a proposed new construction building. Several different comments were given by the reviewer regarding how to model equivalently in the Baseline and Proposed the occupancy, equipment power, LPD (Building Area Method), thermal zones, etc. In my case, the thermal zones have not yet been designed. Therefore, I will treat them as described in Table G3.1#8 of Appendix G. What was absent from these review comments and, as far as I can tell, the verbiage of Appendix G is guidance on how to treat (calculate) outdoor air requirements for the incomplete spaces. For the rest of the building, outdoor air requirements are treated as equivalent in the Baseline and Proposed buildings. However, the exact outdoor air requirements for the incomplete space will depend on some factors that aren't spelled out by the System Types in Appendix G such as ventilation effectiveness, etc. Does anyone have any guidance on the appropriate way to treat outdoor air for incomplete spaces or if it should even be included at all?

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Tue, 05/30/2017 - 20:24

You must model the quantity of outdoor air identically in each model. Same rule as for completed spaces.

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