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Option 1: Zoning and controls

CI-2009 EAc1.3:Optimize Energy Performance—HVAC
posted by  Ricardo Sá  on 

Hi, The project is basically a huge sales area with some office spaces.The sales area is served by multiple compact rooftop units and the office areas are served by DOA´s for ventilation purposes

1
Tue Mar 21, 2017, 3:09 pm

Equipment Efficiency Section 1.4

CI-2009 EAc1.3:Optimize Energy Performance—HVAC
posted by  John Kitsalis  on 

This section is a little confusing and I am putting my interpretation of it up.

1
Wed Sep 19, 2012, 3:35 pm

Option 1: Existing Equipment

CI-2009 EAc1.3:Optimize Energy Performance—HVAC
posted by  Steve Gross  on 

I have read Interpretation #10134 and 10135, but based on some of the comments below, I would like some additional confirmation.

1
Fri Apr 11, 2014, 5:13 pm

prescriptive efficiency requirements ABCPG section 2.9

CI-2009 EAc1.3:Optimize Energy Performance—HVAC
posted by  Rahul Yadav  on 

Hi We are doing a LEED CI project in India. The scope of the project includes only AHU , ducting and HRW from the HVAC side.

1
Mon Nov 2, 2015, 2:17 pm
1
Tue Sep 21, 2010, 2:10 pm

Entering "total project space equipment capacity" - LEED form

CI-2009 EAc1.3:Optimize Energy Performance—HVAC
posted by  Seema Pandya  on 

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 for

1
Fri Mar 16, 2012, 6:22 pm

accounting for equipment not listed in CPG tables

CI-2009 EAc1.3:Optimize Energy Performance—HVAC
posted by  Keith Amann  on 

The Core Performance Guide, and it's reference standard (Consortium for Energy Efficiency Commercial Unitary AC and HP Specification) has no standard for large (760 kbtu/h) systems.

1
Thu Oct 25, 2012, 1:47 pm

Partial Load Calculations & Fan Sizing

CI-2009 EAc1.3:Optimize Energy Performance—HVAC
posted by  Nick Chiarelli  on 

Hello, This project is 12 floors served by base building AHU's, pumps, chillers, etc.

1
Thu May 9, 2013, 1:29 pm

Core Performance Compliance New Air-handler- Existing Chiller

CI-2009 EAc1.3:Optimize Energy Performance—HVAC
posted by  Tom Nichols  on 

If we specify a new air handler that uses steam and chilled water from existing systems, do these systems need to comply with the CPG efficiency requirements?

1
Wed Nov 27, 2013, 8:47 pm

Conflicting Requirements in Interpretations re: Active Controls?

CI-2009 EAc1.3:Optimize Energy Performance—HVAC
posted by  Theresa Schroeder  on 

I am working on a multi-story office fitout for a single tenant, and we received a review comment on our submission regarding EAc1.3 asking us to "provide documentation that all conference rooms ha

1
Tue Jun 24, 2014, 1:43 pm