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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?

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Our local code references ASHRAE 90.1-2010. Should I use that for my documentation, or 90.1-2007?

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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

On-site renewable energy

Lise Dannesboe

Sustainability Manager

COWI

LEEDuser Premium Member

54 thumbs up

Project location :

October 15, 2014

Hi! We are trying to offset as much as possible from our electricity consumption with on-site PV. We will install about 750 m2 of PV, of these 750 m2 PV only 500 can be placed on site and we are considering to place the remaining 250m2 on the roof of the neighbor building. The 250m2 will not be within the LEED boundary, but there will be a direct line to our building and no other line anywhere else. Does anybody have experience with this kind of case. Can all 750m2 be used towards compliance of EAp2 (we follow the energy simulation option)? Thanks

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Marcus Sheffer

LEED Fellow

7group / Energy Opportunities

LEEDuser Expert

4454 thumbs up

Wed, 10/15/2014 - 12:33

That should not be a problem, especially since the systems are directly connected. It would all count.

Lise Dannesboe

Sustainability Manager

COWI

LEEDuser Premium Member

54 thumbs up

Fri, 10/17/2014 - 05:40

Thanks a lot Marcus.

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