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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

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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

EAp1 Minimum Energy Performance Calculator

sriram tetali

Manager -Sustainability Services

M W Group

LEEDuser Basic Member

1 thumbs up

Project location :

December 14, 2016

Hi, Please help us in solving the Errors in the Minimum Energy Performance Calculator. Project Registered under => LEED NC BD+C -v3 (2009) • Macros are not getting enabled • Shading & Fenestration Tab => Under Baseline case the values namely ‘SHGC’ are not getting auto populated. • Additional rows cannot be added in the Lighting Tab • In Lighting tab - if we select Building Area method, it is auto updating values with Space by Space method • Lighting tab => under Tradable surface the Allowable :LPD is showing as 0.13 instead of 0.15 (as per ASHRAE 90.1 -2007) • General HVAC & Air Side HVAc Tabs - errors are being noticed

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Marcus Sheffer

LEED Fellow

7group / Energy Opportunities

LEEDuser Expert

4454 thumbs up

Wed, 12/14/2016 - 15:33

Might want to send these directly to USGBC - usgbc.org/contactus

sriram tetali

Manager -Sustainability Services

M W Group

LEEDuser Basic Member

1 thumbs up

Thu, 12/15/2016 - 02:00

Thanks Marcus

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