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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?

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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?

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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

LED Screens--In or out of the Baseline

Rob Watson

CEO

ECON Group

LEEDuser Basic Member

126 thumbs up

October 24, 2012

I'm working on the a project that has LED "media screens" on each of its four facades. Would I include this energy and power load in the baseline as part of "process"--it's for advertising and entertainment, so it takes advantage of the ASHRAE exemption for such--or would it only be included in the design case because it's unique to this project ? In this latter case, I'm assuming that the energy consumption would need to be compensated for by other ECMs in the building in order to qualify for LEED.

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Marcus Sheffer

LEED Fellow

7group / Energy Opportunities

LEEDuser Expert

4454 thumbs up

Thu, 10/25/2012 - 13:57

It would be considered process and be modeled identically in both cases. Basically it sounds like a really big monitor so it would be treated the same as a small one.

Rob Watson

CEO

ECON Group

LEEDuser Basic Member

126 thumbs up

Wed, 10/31/2012 - 13:36

Thanks, Marcus. Sounds so simple when you put it that way.

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