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Core Performance Guide Requirements for Efficiency

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Erik Dyrr on Mar 13, 2012, 8:25 pm

To earn 5 points using Option 1: Equipment Efficiency, systems must comply with the efficiency requirements outlined in the Core Performance Guide. The CPG lists the full load EER and IPLV for...

Last reply: Erik Dyrr, Mar 20, 2012, 2:17 pm

Can title 24-2008 compliance be used in lieu of ASHRAE 90.1-200?

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Leticia SooHoo on Mar 12, 2012, 8:27 pm

Dylan Connelly Mechanical Engineer Integral Group LEEDuser Expert 471 thumbs up March 16, 2012- 2:17 pm Leticia, You can use T24 in California. I assume you are pursing the energy modeling option. Check out the NC EAp2, EAc1 forums. There is a lot of good info there. Log in or register to post comments Leticia SooHoo Architect, Senior Project Manager IA Interior Architects LEEDuser Basic Member 68 thumbs up March 16, 2012- 2:25 pm Thanks Dylan. I know for NC and Core and shell, projects can submit T24 compliance in lieu of ASHRAE 90.1-2007. And yes, most of it is done through energy modeling....

Last reply: Dylan Connelly, Mar 16, 2012, 2:47 pm

Entering "total project space equipment capacity"- LEED form

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Seema Pandya on Feb 14, 2012, 11:50 am

In the LEED Online form for option 1 section 1.4: Mechanical System Design Criteria, there is a place for you to enter the total space loads for heating and cooling and another entry that asks...

Last reply: Dylan Connelly, Mar 16, 2012, 2:22 pm

ASHRAE 55 requirement in EAc1.3

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Juliana Malho on Feb 2, 2012, 3:24 pm

Does anyone knows if ASHRAE 55 is really a requirement for the credit? There is an clarification on CI v2.0 (issued June 17, 2011) that states about equipament efficiency indicated in ..."...

Last reply: Marcus Sheffer, Mar 1, 2012, 8:42 pm

EAc1.3 A- Equipment Efficiency

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Geoffrey Eddy on Aug 29, 2011, 8:45 am

I recently completed a CI in an old building with a constant volume Interior and console heat pumps on the perimeter. As a result to achieve points under the credit EAc1.3, the prescriptive...

Last reply: Eszter Gulacsy, Feb 6, 2012, 6:28 am

Table EAc1.3-2

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Jason Dubose on Jan 5, 2012, 8:08 pm

Are we to include lighting and small power line items in this table and electrical equipment for a data center? The table lists "HVAC" energy uses which these are not, but ASHRAE 90.1 and our...

Last reply: Marcus Sheffer, Jan 13, 2012, 12:55 pm

Bypaas VAVs and AHUs

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by monu goyal on Jan 11, 2012, 5:51 am

Hello to all, my query is our project is two floors in a 9 floor building. The...

Last reply: Marcus Sheffer, Jan 13, 2012, 12:41 pm

Determining Baseline System Type

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Rebekah Burke on Jan 13, 2012, 11:41 am

I am trying to correctly determine the baseline system for my LEED energy model. I have a 7-story hotel building so it will either be System 1- PTAC or System 2 –PTHP based on ASHRAE 90.1-2007...

Last reply: Marcus Sheffer, Jan 13, 2012, 12:38 pm

description of the potential savings

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Jacob Goodman on Oct 19, 2010, 10:34 am

I recently recieved a review comment asking to expand the narritive of EAc1.3 Opt. 1 to include "description of the potential savings" as requested on the credit template. I am attempting only...

Last reply: Erin Adkins, Sep 12, 2011, 3:28 pm

Must have VAV system for Option 1?

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Dave Intner on Feb 8, 2010, 5:30 pm

When we look into the LEED Reference Guide for Option 1, it seems to require a...

Last reply: Paul Conrad, Mar 31, 2011, 10:25 am