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Mechanically ventilated spaces and naturally ventilated spaces

NC-2009 EAc1: Optimize Energy Performance
posted by Francesco Passerini on Feb 12, 2014, 11:56 am

As baseline model I have to model System 6 according to Table G3.1.1A. On a floor the spaces that have windows are naturally ventilated while the internal spaces are mechanically ventilated. G3.1...

Last reply: Marcus Sheffer, Feb 17, 2014, 10:53 am

shgc Values

NC-2009 EAc1: Optimize Energy Performance
posted by TOMAS URIBE on Feb 12, 2014, 2:51 pm

Hello Marcus.

The fenestration supplier of a project gave us...

Last reply: Marcus Sheffer, Feb 12, 2014, 3:02 pm

Baseline System Selection

NC-2009 EAc1: Optimize Energy Performance
posted by Hirak Patel on Jul 16, 2012, 2:33 pm

We are simulating Airport Traffic Controller building and have question regarding baseline system.

Building is 13 story and have 27,000 sf. However, out of 13 floors, only 3 floors have...

Last reply: Francesco Passerini, Feb 12, 2014, 11:41 am

Climate zone in Copenhagen, Denmark

NC-2009 EAc1: Optimize Energy Performance
posted by Lise Dannesboe on Feb 10, 2014, 8:52 am

Our office building is placed in Copenhagen, Denmark.

Our question is which climate zone to use? Is it zone 5, zone 6 or can we use either one of those?

- We are using a simulation...

Last reply: Eleftherios Zacharakis, Feb 10, 2014, 10:03 am

R-value of total window assembly for energy model

NC-2009 EAc1: Optimize Energy Performance
posted by Michelle Lambert on May 13, 2011, 10:24 am

In our project's LEED design submission, the engineer used the R-value of the glazing in the energy model. The LEED reviewer said that we need to use the R-value of the entire window...

Last reply: Marcus Sheffer, Jan 8, 2014, 1:18 pm

District Energy and LEED Boundary

NC-2009 EAc1: Optimize Energy Performance
posted by Mitch Gascoyne on Dec 30, 2013, 5:34 pm

I have a LEED 2009 project where all buildings are pursuing LEED certification and are served by the same plant (for heating and cooling). All buildings served by the plant are included in the...

Last reply: Marcus Sheffer, Dec 31, 2013, 11:14 am

Preassure drop adjustment

NC-2009 EAc1: Optimize Energy Performance
posted by Jorge Lopez de Obeso on Dec 19, 2013, 6:47 pm

Hello everyone, we are working on a laboratory and we have very restrictive filtering in some spaces there are equipments that have...

Last reply: Marcus Sheffer, Dec 20, 2013, 10:05 am

Greenhouse energy consumption

NC-2009 EAc1: Optimize Energy Performance
posted by Karl Heitman on Dec 17, 2013, 4:11 pm

We are working on a factory in Chicago which will have food producing greenhouses on the roof. We are pursuing LEED Platinum and are wondering how to prevent being penalized for energy use by...

Last reply: Marcus Sheffer, Dec 17, 2013, 4:19 pm

Offsite Renewable Energy

NC-2009 EAc1: Optimize Energy Performance
posted by Dave Hubka on Dec 6, 2013, 10:23 am

Our project will have a biofuel system that utilizes agricultural crops as the biofuel. Per the LEED reference guide this is considered to be...

Last reply: Scott Bowman, Dec 10, 2013, 2:41 pm

Baseline HVAC system for a naturally ventilated Building

NC-2009 EAc1: Optimize Energy Performance
posted by Jayanthi Raju Vadivelu on Dec 6, 2013, 1:58 am

In one of our projects, we've 100% naturally ventilated school building, which will have ceiling fans for comfort, a total area of approx 80,000 sqft, Ground + 2 floors. As per the LEED V 2009,...

Last reply: Marcus Sheffer, Dec 9, 2013, 3:05 pm