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Make Up OA unit and energy modelling

NC-2009 EAc1: Optimize Energy Performance
posted by Jatuwat Varodompun on Dec 7, 2012, 11:47 pm

my project is a hotel with the fan coils and Outdoor Air Units supplying the OA to each room. I am the eQUEST user and know that the software does not allow the modelling of saparated OA system...

Last reply: Jatuwat Varodompun, Dec 8, 2012, 12:16 am

Efficiencies for Packaged VAV with Reheat

NC-2009 EAc1: Optimize Energy Performance
posted by Francesco Passerini on Aug 3, 2012, 6:04 am

As HVAC system for baseline I have to model System 5 - Packaged rooftop...

Last reply: ESD Singapore, Dec 3, 2012, 3:02 am

Modeling Natural ventilation

NC-2009 EAc1: Optimize Energy Performance
posted by Kalyan Nishtala on Nov 27, 2012, 4:11 pm

I have a dormitory model where all the suites in the dorms are provided ventilation through operable windows. Ventilation air is solely meant to meet ASHRAE 62.1 requirements. Cooling and heating...

Last reply: Marcus Sheffer, Nov 28, 2012, 10:03 am

Multiple Buildings- Energy Modeling

NC-2009 EAc1: Optimize Energy Performance
posted by Marina Andrade on Nov 23, 2012, 12:28 pm

Hello,

I'm working in a project that consists in a multiple building certification. The buildings are not connected to each other and the same chilled water central plant supplies cooled...

Last reply: Christopher Schaffner, Nov 27, 2012, 1:01 pm

Building thermal Envelope

NC-2009 EAc1: Optimize Energy Performance
posted by PAWAN DAHIWAL on Nov 27, 2012, 6:57 am

R- value of different assemblies in building (conditioned) cannot be averaged. Why?? Only...

Last reply: Christopher Schaffner, Nov 27, 2012, 7:53 am

Soladigm Glass

NC-2009 EAc1: Optimize Energy Performance
posted by Tammy George on Nov 26, 2012, 3:49 pm

We have a project where we are using Soladigm Dynamic Glass which automatically tints the window based on how sunny it is using photosensors on each face of the building. I was wondering if...

Last reply: Marcus Sheffer, Nov 26, 2012, 5:17 pm

LEED v2009 Minimum energy savings %

NC-2009 EAc1: Optimize Energy Performance
posted by Thomas Hellmann on Nov 26, 2012, 4:44 pm

Option 1 compliance path indicates the minimum % savings is 10% for new construction. In the LEED v4 comments a mention was made that the threshold was 12% for v2009. If the threshold is...

Last reply: Scott Bowman, Nov 26, 2012, 4:56 pm

Return fan for baseline model

NC-2009 EAc1: Optimize Energy Performance
posted by Francesco Passerini on Nov 16, 2012, 12:24 pm

Par. G3.1.2.8 states: "If return or relief fans are specified in the proposed design, the baseline building design shall also be modeled with fans serving the same functions and sized for the...

Last reply: Marcus Sheffer, Nov 20, 2012, 2:05 pm

Appendix G- Baseline Building Rotations

NC-2009 EAc1: Optimize Energy Performance
posted by Kalyan Nishtala on Nov 13, 2012, 12:27 pm

Hi All,
Are baseline building rotations necessary for a new building that is connected to an existing building. Note that the new building is being modeled as a stand alone.

Can...

Last reply: Marcus Sheffer, Nov 19, 2012, 12:31 pm

Exception a) to G3.1.1 Baseline HVAC System Type and Description

NC-2009 EAc1: Optimize Energy Performance
posted by SmithGroup BG+LU FW on Nov 13, 2012, 10:04 am

I have a large law school project (300k SF) comprising multiple new construction "wings" that tie into several existing structures of various stories. The predominant program is classroom and...

Last reply: Marcus Sheffer, Nov 13, 2012, 12:33 pm