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

NC-2009 EAp2:Minimum Energy Performance

Unrenovated portion lighting power

We have a building that consists of new, renovated and unrenovated area. We are using builidng area method for lighting power density. For the unrenovated area, should we still use 90.1 maximum or model the same for proposed and baseline? Thanks in advance!

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Fri, 07/24/2015 - 15:44

Existing lighting is modeled in the baseline per Appendix G using the 90.1 allowance. The proposed is modeled as it exists.

Fri, 07/24/2015 - 16:19

Thanks. For the HVAC system of the unrenovated portion in baseline, should I also use 90.1 allowance or model it the same as they exists

Fri, 07/24/2015 - 16:46

Existing HVAC is modeled the same as the lighting. Baseline is Appendix G, proposed is as it exists.

Wed, 11/18/2015 - 19:06

Marcus we have a similar situation concerning exterior lighting. No changes will be made to this system but the LPD is higher that allowed by ASHRAE. Just to clarify, this system is exempt if no changes are made and it is modeled as-is for the proposed case. Is this correct?

Fri, 11/20/2015 - 21:38

Yes that should be OK. Make sure to provide a narrative explanation to the reviewer. If you just provide the input data only they will question it.

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