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Earth Sheltered Buildings & Energy Modeling

NC-2009 EAc1:Optimize Energy Performance
posted by  Josie Plaut  on 

We have a project that will be 60-70% earth sheltered and Appendix G doesn’t seem to provide guidance on how we might demonstrate the energy savings.

1
Wed Feb 27, 2013, 7:05 pm

Data center Lighting - Building area method

NC-2009 EAc1:Optimize Energy Performance
posted by  SAMY Chamy  on 

Dear All:- we are doing LEED NC project for data center which one is correct base case LPD for data center in building area method which lighting categories we take if we go with space by space m

1
Thu Aug 11, 2016, 2:17 pm

Baseline System 2

NC-2009 EAc1:Optimize Energy Performance
posted by  SSN Energy Model  on 

As per Table 6.8.1D, I observed the following EER = 12.3-(0.213*Cap/1000) EER Also, Cap means the rated cooling capacity of the product in Btu/hr.

1
Fri Apr 21, 2017, 2:48 pm

break hp vs Comercial hp

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

What is the correct approach when simulating pumps and fan power in the proposed case?. size the electric motors with the bhp or the next commercial motor size.

1
Tue May 15, 2012, 5:46 pm

EA Credit 1

posted by  Darin Frick  on 
1
Thu Mar 25, 2010, 8:43 pm

LEED for Retail

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

Are there software programs that model refrigeration systems stipulated in LEED for Retail other than eQUEST refrigeration version?

1
Thu Sep 20, 2012, 3:40 pm

Ashrae 90.1.2010, HVAC Table 6.8.1.C Water Chiling Packages Eff.

NC-2009 EAc1:Optimize Energy Performance
posted by  ABHIJIT PISAL  on 

In the table there is a mention of Path-A and Path-B. Pl. help as to how to interpret Path-A and Path-B.

1
Tue Sep 2, 2014, 12:53 pm
1
Thu Oct 14, 2010, 10:51 pm

Semiheated space and baseline model

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

In the proposed building there is a semiheated space (climate zone 4, heating power 40 W/m^2, no ventilation, no cooling). In the baseline model shall that space be modeled without HVAC system?

1
Thu Oct 25, 2012, 2:07 pm

modeling VRF with DOAS

NC-2009 EAc1:Optimize Energy Performance
posted by  Brian Thornton  on 

Is there an accepted protocol for modeling in eQuest VRF systems with DOAS that does not require an exceptional calculation for seeking credit for EAc1?

1
Tue Feb 24, 2015, 3:40 pm