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LEED CI- HVAC Syatem selection and Fan power Modeling

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by SAMY Chamy on Aug 24, 2016, 7:47 am

Dear All:-

How to select the Baseline HVAC system for LEED CI Project and how I calculate the fan power for fan interlocked with HVAC system

Can we us the 7Group fan power...

Last reply: Marcus Sheffer, Aug 24, 2016, 10:55 am

Energy Modeling

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by SAMY Chamy on Aug 13, 2016, 7:49 am

Dear All:-

How to do energy modeling for LEED CI

In LEED CI the energy saving is compared for Space heating and Cooling only,

1.Am I Correct
2.Can we consider...

Last reply: Marcus Sheffer, Aug 22, 2016, 9:10 am

LEED CI- Energy Modeling Terms

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by SAMY Chamy on Aug 18, 2016, 7:47 am

Dear All:-

Greetings

I need some clarity in terms in the terms used in "LEED ID + C ref guide page no 172"

what is meant by
1.Project area
2.Total Segment area...

Last reply: Marcus Sheffer, Aug 19, 2016, 11:29 am

energy modeling

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Bethany Beers on Dec 18, 2015, 9:43 pm

We have a tenant fit out of a single floor in an 8 story building. The new design is an energy efficient chilled beam system, and the central plant remains unchanged. Do I need to include the...

Last reply: Marcus Sheffer, Aug 9, 2016, 10:21 am

Demonstrate Savings for CRAC Units

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Gabriela Crespo on Aug 5, 2016, 1:04 pm

Dear all,

Same project as before, Central Chilled Water System, not in our scope. The only HVAC equipment in our scope are 2 CRAC units for the office's SITES. If we want to demonstrate...

Last reply: Marcus Sheffer, Aug 6, 2016, 2:33 pm

Interpretation Problem

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Maria Isabel Conde on Jul 8, 2016, 12:46 pm

We have a problem with the interpretation of the information necessary to apply for this credit. Credit requirement explain that I have to meet one of the following:

Air handlers that...

Last reply: Maria Isabel Conde, Jul 12, 2016, 2:45 pm

Active Controls with a Fan Coil Unit System

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Ciaran McCabe on Jul 5, 2016, 11:26 am

For a Fan Coil Unit system, with outdoor air being provided adjacent to the rear of the unit will the outdoor fresh air rate (from the main...

Last reply: Marcus Sheffer, Jul 11, 2016, 5:26 pm

LEED Retail CI EAc1.3 zoning and controls

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Francisco Aguirre on Jul 11, 2016, 4:55 am

Hi,

I am working on a retail project with a...

Last reply: Marcus Sheffer, Jul 11, 2016, 1:07 pm

Equipment not list on CPG

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Maria Isabel Conde on Jul 1, 2016, 5:53 pm

Our project has a WSHP bigger than 135000 btu/h. According to CPG table 2.9.2 the efficiency required for WSHP up to 135000 btu/h is 14 EER and the WSHP of our project has a 14.1 EER.

...

Last reply: Maria Isabel Conde, Jul 5, 2016, 12:23 pm

prescriptive efficiency requirement for purchased heat

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Bethany Beers on May 20, 2016, 5:41 pm

If all of my zone equipment and my chillers prescriptively comply with the Core Performance Requirements, but for HHW we have heat exchangers with purchased steam from a district source, then do...

Last reply: Marcus Sheffer, May 24, 2016, 10:08 am