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Dimming Lights- Internal Lighting Power Allowance

CS-2009 EAp2: Minimum Energy Performance
posted by Maya Karkour on Jun 29, 2010, 4:45 am

Hello,

Does anybody know how to integrate dimming lighting power in the total installed interior lighting power ? Do we assume that the light bulbs are always dimmed to the max (and...

Last reply: Marcus Sheffer, Jul 24, 2013, 3:11 pm

Boiler efficiency

CS-2009 EAp2: Minimum Energy Performance
posted by Mike D on Jul 16, 2013, 6:58 am

Hi,
For the modelling input, should we use gross efficiency of the boiler or net efficiency? We tried to check what ASHRAE uses as a baseline but could not find anything.

Many thanks...

Last reply: Mike D, Jul 16, 2013, 11:44 am

U-factor for fenestration in the Proposed Model

CS-2009 EAp2: Minimum Energy Performance
posted by Ron Dean on Jun 28, 2013, 4:56 pm

Hello everyone,

I'm in the process of filling out the table 1.4 for LEED EAp2 submission, my question is about this ''How were the Proposed case framed...

Last reply: Marcus Sheffer, Jul 16, 2013, 9:34 am

number of secondary CHW pumps and cooling towers

CS-2009 EAp2: Minimum Energy Performance
posted by tiantian zhou on Jul 8, 2013, 7:31 am

Dear Sir/Madam,
Per the revised section 1.4 table, the number of secondary CHW pumps and cooling towers should be one. i do not understand it and not find the corresponding item in ashare...

Last reply: Marcus Sheffer, Jul 9, 2013, 9:40 am

ASHRAE Mandatory Requirement 6.4.3.4.3

CS-2009 EAp2: Minimum Energy Performance
posted by Jorge Torres-Coto on Jun 27, 2013, 8:34 pm

I have a multi-story building that has one...

Last reply: Marcus Sheffer, Jun 28, 2013, 10:12 am

"Strip-Center" watts per sf approach

CS-2009 EAp2: Minimum Energy Performance
posted by PAULA HIDALGO on Jun 26, 2013, 3:59 pm

I have a mall with the "strip center" shape, this is without any common areas and is totally open. It's being certified under the LEED CS 2009 rate so we need to reach a maximum of watts per...

Last reply: PAULA HIDALGO, Jun 27, 2013, 9:00 am

Fenestration SHGC for proposed model

CS-2009 EAp2: Minimum Energy Performance
posted by Ioannis Rizos on Jun 7, 2013, 10:09 am

Dear community,

According to tables 5.5-1 (climate 1a), the Solar Hear Gain Coefficient for the proposed building should be no more than 0.25. Is this a requirement for the proposed...

Last reply: Marcus Sheffer, Jun 10, 2013, 8:39 am

CS building modeling with tenant design

CS-2009 EAp2: Minimum Energy Performance
posted by Aditya Chemburkar on Jun 7, 2013, 1:55 am

Hi,

I am modeling a LEED CS building for which we have decided to move ahead considering the tenant space lighting design and HVAC system to achieve maximum energy savings. The building...

Last reply: Marcus Sheffer, Jun 7, 2013, 2:30 pm

Table 1.4

CS-2009 EAp2: Minimum Energy Performance
posted by Paula Hernandez on Jun 7, 2013, 9:39 am

Hi Eveybody,
I have sent my first energy modeling, and a few commens came back,
One of them referred to...

Last reply: Paula Hernandez, Jun 7, 2013, 12:40 pm

Modeling Thermal Zones

CS-2009 EAp2: Minimum Energy Performance
posted by Attiq Rahman on Feb 13, 2013, 1:41 pm

I am modeling an office building for LEED which will house different tenants that will consists of a dental clinic and medical clinic etc. There are number of different spaces in the building....

Last reply: Marcus Sheffer, Jun 4, 2013, 9:31 am