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Window-Wall ratio and zone

NC-v2.2 EAp2: Minimum Energy Performance
posted by Waynne Roberts on Oct 31, 2015, 1:03 am

Marcus Sheffer LEED Fellow, 7group / Energy Opportunities LEEDuser Expert 5524 thumbs up November 2, 2015- 9:23 am Could you please post this in the LEED 2009 EAp2 forum since the question relates to that version of LEED? Any one looking for answers in the future will be able to find if it is in the correct forum. Log in or register to post comments ...

Last reply: Marcus Sheffer, Nov 2, 2015, 9:23 am

Horse power

NC-v2.2 EAp2: Minimum Energy Performance
posted by Anil Bhari on Oct 8, 2015, 2:07 pm

During energy modeling, do we have to use break horsepower or Rated horsepower?
Roof top unit in one of the project have 9.64 BHP and 15 Hp (rated).

which one should i have to use...

Last reply: Marcus Sheffer, Oct 12, 2015, 2:37 pm

Steam from Existing Plant for new addition

NC-v2.2 EAp2: Minimum Energy Performance
posted by Rui Zhu on May 19, 2015, 6:30 pm

Hi, I am currently working on a project which is a multi-story new tower to an existing building. There is new chillers, heat pumps, etc. Hot water used for heating is primarily from GSHP, at...

Last reply: Marcus Sheffer, May 20, 2015, 2:08 pm

Baseline Fan Power 90.1-2004

NC-v2.2 EAp2: Minimum Energy Performance
posted by Samuel Gelfand on Apr 27, 2015, 11:17 pm

I am working on model for LEED v2.2 NC. The standard for this version is 90.1-2004. Since it is not required to comply with the 90.1 amendments, am I correct that I can use the fan power...

Last reply: Marcus Sheffer, Apr 28, 2015, 9:27 am

Ineligible biofuel energy cost and baseline

NC-v2.2 EAp2: Minimum Energy Performance
posted by Graham Langton on Nov 28, 2014, 7:32 am

Hi,

In a scenario which an onsite biomass plant uses an ineligible bio-fuel as a main heating source (backed up via natural gas) in the proposed case, and the baseline system is a fossil...

Last reply: Marcus Sheffer, Nov 30, 2014, 7:17 pm

Window to Wall ratio Calculation

NC-v2.2 EAp2: Minimum Energy Performance
posted by Norma Lehman on Jun 30, 2014, 10:09 am

I have a question about calculating Window to wall ratio with unconditioned above-ground garage space. should I include only the wall area for conditioned space or it should include complete...

Last reply: Marcus Sheffer, Jun 30, 2014, 10:35 am

Kitchen Plug Load

NC-v2.2 EAp2: Minimum Energy Performance
posted by Anil Bhari on May 14, 2014, 2:19 pm

I am doing Energy modeling that includes office spaces, dining and kitchen area. Do i have to provide all equipment plug load from kitchen area same for baseline and proposed (can we exclude...

Last reply: Marcus Sheffer, May 14, 2014, 3:22 pm

Fan equivalent full load hours?

NC-v2.2 EAp2: Minimum Energy Performance
posted by Saju Varghese on Dec 17, 2013, 9:41 am

at the documentation you provided and cannot figure out why there is the magnitude of difference shown in the results. For me or anyone else in this forum to tell you why there is this difference is not possible without...

Last reply: Marcus Sheffer, Feb 10, 2014, 5:46 pm

Air cooled chillers

NC-v2.2 EAp2: Minimum Energy Performance
posted by Ramseed Mohamood on Feb 10, 2014, 3:22 am

Marcus Sheffer LEED Fellow, 7group / Energy Opportunities LEEDuser Expert 5524 thumbs up February 10, 2014- 9:14 am The baseline system depends on the use type, area, number of floors, and heating fuel type. There are many baseline systems that do not require water cooled chillers. The baseline building is defined by Appendix G. See Table G3.1.1A. Also please note that you are in a LEED v2.2 forum and that version of LEED references ASHRAE 90.1-2004. Log in or register to post comments ...

Last reply: Marcus Sheffer, Feb 10, 2014, 9:14 am

EAP2:Lighting Power Density

NC-v2.2 EAp2: Minimum Energy Performance
posted by Ricardo Sá on Feb 3, 2014, 8:28 am

in a project that the first floor is on the level 0 by mezzanine, should I include the voids areas for the Lighting Power Density calcullation? or exclude it?

Thank you

Last reply: Marcus Sheffer, Feb 3, 2014, 8:42 am