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Modeling PCW Heat Rejection for DES vs. System 5 (DX Cooling)

NC-2009 EAc1:Optimize energy performance
posted by  Evelyn Dicks, EI, CxA  on 

I am working on a building that supplies process cooling water (PCW) to lab spaces. The PCW rejects its heat through a heat exchanger to the chilled water system from a district energy plant.

1
Thu Sep 8, 2011, 2:54 pm

EApc95 - Alternative Energy Performance Metric questions

NC-2009 EAc1:Optimize energy performance
posted by  Jamy Bacchus  on 

This pilot credit includes a XL file with tables B through H to calculate savings in terms of GHGs, site energy, source energy, energy cost, peak demand and "if available": TDV and Primary Energy F

1
Tue Nov 22, 2016, 6:15 pm

Home Automation in Multifamily High Rise Residential Project

NC-2009 EAc1:Optimize energy performance
posted by  Omer Moltay  on 

Dear All, Would it be possible to claim EAc1 credits for local automation in dwelling units to achieve the following: (1) Automatic shut down of lighting and HVAC units when there is no occupancy

1
Mon Jan 16, 2012, 3:05 pm

Return plenums should be used in the baseline model?

NC-2009 EAc1:Optimize energy performance
posted by  Rosana Correa  on 

Hello, If in the proposed building there are plenums specified as return air path in the HVAC system, should I use them or ignore them in the baseline model? Thank you,

1
Tue Aug 20, 2013, 2:40 pm

Blower Door Test in NC?

NC-2009 EAc1:Optimize energy performance
posted by  Ian Johnson  on 

I'm working on a renovation of an existing building pursuing LEED NC. The clients would like to perform a blower door test prior to drywall installation to improve the building's thermal envelope.

1
Wed Mar 21, 2012, 6:58 pm

U-value unheated/heated slab-on-grade floor

NC-2009 EAc1:Optimize energy performance
posted by  Francesco Passerini  on 

Hello. In the building which I’m modeling there is an underground floor whose slab-on-grade floor can be considered as divided in three parts: one part (wellness) is heated with heated floor, anoth

0

USGBC Approved equivalent standards

NC-2009 EAc1:Optimize energy performance
posted by  Mike D  on 

The guide allows to use a USGBC approved equivalent standard for projects outside the US. Where can this list of approved standards be found?

1
Thu Apr 3, 2014, 1:50 pm
1
Fri Feb 18, 2011, 2:11 pm

How to calculate / consider Elevators Energy consumption?

NC-2009 EAc1:Optimize energy performance
posted by  Marcio Alberto Casado Pereira  on 

Is there any reference available to learn how to calculate and /or consider elevators energy consumption for both baseline and proposed models?

1
Wed Jan 30, 2013, 2:59 pm