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DES Option 2 – CHP with absorption chiller

NC-2009 EAc1: Optimize Energy Performance
posted by Qian Tang on Jan 9, 2015, 4:10 am

Hello,
We are working on a LEED NC 2009 project with...

Last reply: Qian Tang, Feb 2, 2015, 5:47 am

Data Center in on Office building Energy Modelling Calculations

NC-2009 EAc1: Optimize Energy Performance
posted by ESRA OZKONUKSEVER on Dec 19, 2014, 8:38 am

Hi all,
We re currently working on an office building project of 10.000 square meters and within the building there is a data center as big as 150 square meters.
we are plannig to...

Last reply: ESRA OZKONUKSEVER, Jan 23, 2015, 9:36 am

Fenestration U-value: Framed versus Center-of-Glass

NC-2009 EAc1: Optimize Energy Performance
posted by Paul Cimaglia on Dec 10, 2014, 11:39 am

I received a review comment requesting confirmation that my modeled fenestration...

Last reply: Marcus Sheffer, Dec 10, 2014, 11:52 am

Car Park Ventilation Fan Energy Savings

NC-2009 EAc1: Optimize Energy Performance
posted by Chilufya Lombe on Nov 20, 2014, 8:10 am

Hi, on a recent project we were requested to provide evidence that 5 buildings built within the last three years did not have carbon monoxide sensors installed in the basement car parks in order...

Last reply: Marcus Sheffer, Nov 20, 2014, 10:35 am

Theater lighting

NC-2009 EAc1: Optimize Energy Performance
posted by Keelan Kaiser on Nov 14, 2014, 11:22 am

I've gone through the threads and can't find a response for a question like this, there must be one, but we have a theater project with all of the speciality lighting associated with this use. It...

Last reply: Marcus Sheffer, Nov 14, 2014, 11:34 am

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