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DES vs purchased heat for 1! building

NC-2009 EAc1: Optimize Energy Performance
posted by Nicolas Galiotto on Jul 26, 2010, 9:52 am

Hi Christopher, hi everybody,

I've juste seen the two first posts on this page but it does not help.

We are purchasing heat from a district heating plant (100% green). The USGBC's...

Last reply: Christopher Schaffner, Jul 28, 2010, 8:38 am

PRM baseline VS proposed building documentation

NC-2009 EAc1: Optimize Energy Performance
posted by Tarek Dalati on Jul 13, 2010, 2:52 am

we are doing energy modeling for a mixed used tower (residential 30 flrs and office 6 floors and 5 floors parking under ground) can any one help in determining the following:
a- baseline...

Last reply: Christopher Schaffner, Jul 24, 2010, 6:58 am

Process Load-Can I call my computer room units a process load?

NC-2009 EAc1: Optimize Energy Performance
posted by John Harrington on Jul 16, 2010, 1:45 pm

I have a Liebert Computer Room Unit (DX System) it has a capacity of 137.8 MBH.

It has a low efficiency (8.2 EER), the min efficiency listed on the 90/1-2007 TABLE 6.8.1B is 10.6 EER....

Last reply: Christopher Schaffner, Jul 19, 2010, 8:50 pm

Rotating Existing Building Renovations

NC-2009 EAc1: Optimize Energy Performance
posted by Mark Benson on May 18, 2010, 4:58 pm

Under the 90.1 Performance Rating Method (PRM), the performance of the baseline building has to be based on the average of 4 separate rotations of the baseline building. This makes sense for new...

Last reply: Tristan Roberts, Jul 1, 2010, 10:45 pm

DEMAND CONTROL VENTILATION AND LIGHTING CONTROL

NC-2009 EAc1: Optimize Energy Performance
posted by javier bolanos zeledon on Jun 7, 2010, 8:32 pm

How can I model DCV and Lighting Control into Carrier HAP 4.5. I know I can do it changing schedules. Does anyone have reference schedules or is there a way of building a real schedule to my own...

Last reply: Christopher Schaffner, Jun 11, 2010, 9:23 am

Energy modeling

NC-2009 EAc1: Optimize Energy Performance
posted by javier bolanos zeledon on Jun 7, 2010, 8:27 pm

I use Carrier HAP 4.5 for Energy Modeling, how can you model an international project if the Country you are modeling is not in the weather data base. Is it valid to use a Country or region next...

Last reply: Christopher Schaffner, Jun 11, 2010, 9:19 am

Exterior Lighting Power for Non-Tradable Surfaces

NC-2009 EAc1: Optimize Energy Performance
posted by Mark Benson on Apr 5, 2010, 10:58 am

So when calculating the Allowable Exterior Lighting Power for your Baseline energy model, there are Tradable Surfaces and Non-tradable surfaces. My question is concerned with how LEED handles...

Last reply: Mark Benson, Apr 6, 2010, 12:08 pm

User electricity on Industrial buildings

NC-2009 EAc1: Optimize Energy Performance
posted by Lauri Tähtinen on Jan 24, 2010, 2:57 pm

Is there existing quidance or approved documentation concerning building with a large amount of production based energy use ?
We are in a situation, where the consumption in process would...

Last reply: Lorey Flick, Mar 30, 2010, 1:14 pm

EA Credit 1

NC-2009 EAc1: Optimize Energy Performance
posted by Darin Frick on Mar 14, 2010, 9:45 pm

I have a project in which an auto repair garage is required to be ventilated at 1.5 CFM per square foot. The quantity of exhaust air is significant. In order to maintain habitable temperatures...

Last reply: David Posada, Mar 25, 2010, 4:43 pm

Energy rates for energy analysis

NC-2009 EAc1: Optimize Energy Performance
posted by paul martin on Mar 1, 2010, 12:09 pm

What level of detail is required for energy calcs in regards to utility rates? For example, most utility energy charges are now fluctuating daily for both gas and electric. Some rates,...

Last reply: Clark Denson, Mar 2, 2010, 12:10 pm