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

CS-2009 EAp2:Minimum Energy Performance

demand control ventilation

Dear sir, according to G3.1.2.5 of 90.1, Minimum outdoor air ventilation rates shall be the same for the proposed and baseline building designs except that When modeling demand-control ventilation in the proposed design when its use is not required by Section6.4.3.8. Can I understand it like this: 1.if demand-control ventilation is designed in the proposed design,and its use is not required by Section6.4.3.8, Minimum outdoor air ventilation rates of the design model should be modeled as the actual design with DCV control and the baseline case should model according to the ashare 62.1 without DCV control. 2.if demand-control ventilation is designed in the proposed design,and its use is required by Section6.4.3.8, Minimum outdoor air ventilation rates of the design model should be modeled identically with the baseline.as the actual design with DCV 3.if demand-control ventilation is not designed in the proposed design,minimum outdoor air ventilation rates of the design model should be modeled identically with the baseline.as the actual design without DCV 3.

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Wed, 12/04/2013 - 14:20

1. Yes. The ASHRAE 62.1-2007 value used in the baseline should be the one calculated for the corresponding proposed system. 2. Yes. 3. Yes.

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