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Natural Ventilation - modeling air conditioned as baseline?

NC-2009 EAc1:Optimize Energy Performance
posted by  Eric Longfellow  on 

“We are working on an existing classroom and office building at the University of Hawaii, which will undergo a complete remodeling under LEED-NC v.3.0.

1
Thu Apr 7, 2011, 12:14 pm

Conditioned vs. unconditioned & natural ventilation

NC-2009 EAc1:Optimize Energy Performance
posted by  SmithGroup BG+LU FW  on 

Table G3.1 in Appendix G requires only conditioned space be simulated as being both heated and cooled in the proposed design.

1
Fri Aug 16, 2013, 1:02 pm

EAc1 Space Cooling and Heating

NC-2009 EAc1:Optimize Energy Performance
posted by  Mark Rawson  on 

Hello, When I generate the EAc1 Summary Report in HAP I have a negative percent savings in space cooling and heating in the performance rating table.

1
Fri Jul 7, 2017, 2:12 pm

shgc Values

NC-2009 EAc1:Optimize Energy Performance
posted by  TOMAS URIBE  on 

Hello Marcus. The fenestration supplier of a project gave us SHGC values from a simulation. We would like to know if it is acceptable for LEED simulation.

1
Wed Feb 12, 2014, 8:02 pm

Efficiency curve

NC-2009 EAc1:Optimize Energy Performance
posted by  Francesco Passerini  on 

The efficiency of the boiler that I’m modeling has to respect Table 6.8.1F of ASHRAE 90.1:2007.

1
Mon Aug 13, 2012, 2:50 pm

Energy Modeling Guidance

NC-2009 EAc1:Optimize Energy Performance
posted by  Ralph Bicknese  on 

We are modeling a gym in Guatemala where we will have no heating or cooling system but will have mechanical ventilation.

1
Tue Jul 15, 2014, 3:41 pm
1
Mon Aug 9, 2010, 9:24 pm

Building recessed into hill/mountain

NC-2009 EAc1:Optimize Energy Performance
posted by  Anoop Vijay  on 

Hi, I have a query related to baseline modeling for a hotel project in oman. This hotel is built on a hillside with the building recessed into the hill completely on one side.

1
Mon Oct 8, 2012, 2:18 pm

How to model thermal breaks correctly?

NC-2009 EAc1:Optimize Energy Performance
posted by  Saju Varghese  on 

I have a question, we have received a comment from a LEED reviewer requesting for the following information: "Table 1.4 of the template appears to indicate that all the assembly U-value for the ex

1
Thu Oct 23, 2014, 2:42 am
1
Tue Jan 11, 2011, 12:39 am