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daylight sensing

NC-2009 EAc1: Optimize Energy Performance
posted by Francesco Passerini on Nov 13, 2014, 10:48 am

I wonder whether daylight sensing (lights are dimmed automatically according to daylight) can increase the points a project can obtain in this credit. Table G36.2 doesn’t mention such a system....

Last reply: Marcus Sheffer, Nov 13, 2014, 10:52 am

Comms/ data room cooling- Process Energy for LEED

NC-2009 EAc1: Optimize Energy Performance
posted by Victoria Watson on Nov 10, 2014, 5:19 pm

Hi all,

I am working on a project where the CRAC unit manufacturers have said they don't need to comply with the efficiency requirements of ASHRAE 90.1 for a data room and comms rooms air...

Last reply: Marcus Sheffer, Nov 11, 2014, 8:59 am

How to model Unit Heaters in Baseline model

NC-2009 EAc1: Optimize Energy Performance
posted by Dónal O'Connor on Nov 3, 2014, 9:02 pm

To Whom It May Concern:

I'm looking for guidance on how unit heaters, radiant panels and electric heaters that are in the proposed design are modeled in the baseline building. Keeping in...

Last reply: Dónal O'Connor, Nov 8, 2014, 5:43 pm

System 7- Constant Volume- 24/7 spaces

NC-2009 EAc1: Optimize Energy Performance
posted by Victoria Watson on Jun 25, 2014, 10:53 am

Hi,

I am classifying my 24/7 elec/comms rooms under G3.1.1 Exception b and therefore modeling them with System 3 - Constant volume packaged roof top air conditioner.

My question is...

Last reply: Marcus Sheffer, Nov 4, 2014, 9:54 am

Microturbines and gas rates for energy modeling

NC-2009 EAc1: Optimize Energy Performance
posted by Sherman Aronson on Oct 29, 2014, 9:55 am

For a high rise project the client is considering investing in micro-turbines to generate electrical power on site from natural gas. The utility company will provide the fuel at a reduced cost to...

Last reply: Sherman Aronson, Nov 3, 2014, 8:51 am

Modeling Laboratory Systems

NC-2009 EAc1: Optimize Energy Performance
posted by Victoria Watson on Oct 22, 2014, 7:15 pm

Hi, I am starting work on a laboratory building and have been looking at the standards to see how they apply. The project will use both an ASHRAE 90.1 2007 and 2010 baseline building (one of...

Last reply: Julia Weatherby, Oct 23, 2014, 7:44 am

percentage of vertical fenestration

NC-2009 EAc1: Optimize Energy Performance
posted by Francesco Passerini on Oct 16, 2014, 4:14 am

I have a doubt concerning the percentage of vertical fenestration I have to consider for Table G3.1 5.c.
Let me give you an example. A squared building has four facades, all with the same...

Last reply: Marcus Sheffer, Oct 22, 2014, 10:43 pm

How to model thermal breaks correctly?

NC-2009 EAc1: Optimize Energy Performance
posted by Saju Varghese on Oct 21, 2014, 5:28 pm

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...

Last reply: Marcus Sheffer, Oct 22, 2014, 10:42 pm

DES Option 2- Clarification

NC-2009 EAc1: Optimize Energy Performance
posted by FABIO VIERO on Sep 10, 2014, 11:44 am

Hi, we are working on a LEED NC 2009 project consisting of an office building, where the thermal energy (heating via hot water) is generated and distributed by means of a municipal grid (about 40...

Last reply: Marcus Sheffer, Oct 20, 2014, 11:37 am

Major renovation energy model

NC-2009 EAc1: Optimize Energy Performance
posted by Ron Dean on Oct 7, 2014, 11:05 am

I am working on the energy model of an renovated building, where only the...

Last reply: Marcus Sheffer, Oct 7, 2014, 11:14 am