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FAQs about EAp2 :

Are there any exceptions to the daylight control requirement of ASHRAE 90.1–2010?

Our proposed design has insulation R-values that are below those prescribed by ASHRAE 90.1-2010. Can we still meet the prerequisite?

Do the required savings for this prerequisite (and credit) need to come only from building energy, or also process loads?

Our project doesn't have enough energy savings to earn the prerequisite. Can we get there by incorporating onsite renewables?

Does the base building information need to be included in the minimum energy performance calculator, or is it sufficient to just include the tenant space?

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CI-v4 EAp2:Minimum energy performance

Minimum Energy Performance Calculator- Required for Option 2?

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Oliver Bate
Sustainability Consultant
LEEDuser Basic Member
5 thumbs up

Hi,

I have a number of small budget projects (which are not performing energy modelling) targetting Option 2 Pescriptive Compliance for Min. Energy Performance. As such the ASHRAE req, Energy Star Products and Lighting Power Density information can all be entered into the LEED Form via LEED Online. The Calculator seems only to be relevant where modelling is being undertaken. However as the reference guide explains option 2 is most applicable for smaller spaces. 

In terms of submission, is the Min. Energy Performance calculator only required for option 1? 

Thanks 

 

 

 

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Profile picture for user sheffer
Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Wed, 10/25/2017 - 14:33

Yes that is the case. The prerequisite form shows you what information you need to provide. There is a separate AEDG Calculator you need to submit under Option 2.
Profile picture for user oliver.bate
Oliver Bate
Sustainability Consultant
LEEDuser Basic Member
5 thumbs up

Wed, 10/25/2017 - 14:48

Hi Marcus, I would only need to submit the AEDG calculator if targetting the 'Building Envelope and/or HVAC Systems (2-8 points)' credits, and thus if I am not just the LEED form is fine? Thanks
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Wed, 10/25/2017 - 15:22

That is how I read the form as well.
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Wayne Mc Fall
Senior Mechanical Engineer
Metec Consulting Engineers
LEEDuser Basic Member
2 thumbs up

Tue, 10/13/2020 - 15:40

Hi Marcus,   Do we have to upload an AEDG if we are not pursuing the following in the Building Envelope and/or HVAC Systems section? 1. Building envelope, opaque: roofs, walls, floors. slabs. doors and vestibules (2 Points) 2. Building envelope, glazing: vertical fenetration - all orientations (2 Points) 3. HVAC equipment effciency (2 Points)   We are only targeting HVAC zoning and controls (2 Points) for the Building Envelope and/ or HVAC systems section.   Appreciate your feedback on this.
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Wed, 10/14/2020 - 14:00

Yes you would still need to complete the AEDG table. Just fill out the applicable portions and mark the rest NA. You still need to do the lighting and Energy Star equipment for the prequisite. 

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