Forum quick links
Option 1: Zoning and controls
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted 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
Equipment Efficiency Section 1.4
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted by John Kitsalis on
This section is a little confusing and I am putting my interpretation of it up.
Option 1: Existing Equipment
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted 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.
prescriptive efficiency requirements ABCPG section 2.9
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted 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.
Entering "total project space equipment capacity" - LEED form
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted 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
accounting for equipment not listed in CPG tables
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted 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.
Partial Load Calculations & Fan Sizing
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted by Nick Chiarelli on
Hello, This project is 12 floors served by base building AHU's, pumps, chillers, etc.
Core Performance Compliance New Air-handler- Existing Chiller
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted 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?
Conflicting Requirements in Interpretations re: Active Controls?
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted 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