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Baseline for curtain wall

NC-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Jul 6, 2018, 9:52 am

A curtain wall is made of glazed parts and opaque parts (spandrels). In the baseline model, how much shall the façade be glazed? Are spandrels considered as an opaque wall or as a frame?

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Last reply: Waleed AlGhamdi, Oct 24, 2019, 10:33 am

Opaque Doors vs Doors with Glazing Vs Windows

NC-2009 EAp2: Minimum Energy Performance
posted by Matt Scott on Nov 1, 2013, 9:49 am

What is the proper way to represent a door which happens to have glass? According to 90.1, doors that are more than one-half glass are considered fenestration. So in a program like HAP, should...

Last reply: Marcus Sheffer, Oct 1, 2019, 4:54 pm

Base HVAC System for a Data Center / Server Room ASHRAE 90.1- 2007

NC-2009 EAp2: Minimum Energy Performance
posted by Fatou Jabbie, | BSc. Comp. Sci. | MSc. Sustainability Management | LEED AP BD+C on Jul 12, 2019, 3:54 pm

  • Modeling a Data Center: 1,682.34 sq. ft.
  • Call Center: 8,389 sq. ft.
  • Offices: 4,600 sq ft.
  • Common Spaces/Other: 17,126

The data center has an IP load...

Last reply: Fatou Jabbie, | BSc. Comp. Sci. | MSc. Sustainability Management | LEED AP BD+C, Sep 12, 2019, 1:46 pm

DES allocation Calculator

NC-2009 EAp2: Minimum Energy Performance
posted by Ricardo Sá on Jul 11, 2019, 12:21 pm

Dear All,

I have a question regarding LEED V2009 BD+C New Construction and Major Renovation, EA P2 - Minimum Energy Performance.

We are working on a...

Last reply: Tyler Thumma, Sep 12, 2019, 1:02 pm

Water cooled chiller operating as chiller/heater

NC-2009 EAp2: Minimum Energy Performance
posted by Vassil Vassilev on Sep 6, 2019, 7:45 am

Greetings,

In the project we working on, there is a water cooled electrically operated chilling package.

This chiller however is used as chiller/heater, whereby during the heating...

Last reply: Marcus Sheffer, Sep 6, 2019, 12:12 pm

Electric vehicles charging stations

NC-2009 EAp2: Minimum Energy Performance
posted by Ricardo Sá on Sep 6, 2019, 6:03 am

Dear All,

We are currently certifying an office building which includes enclosed car parks with charging stations for electric vehicles;

In what relates to energy...

Last reply: Marcus Sheffer, Sep 6, 2019, 12:09 pm

Motor Efficiency

NC-2009 EAp2: Minimum Energy Performance
posted by Osama Touni on Jul 22, 2019, 5:38 am

Hi everyone 

The motor of the fans in our project is Totally Enclosed Fan-non ventilated and i want to compare the efficiency with TABLE 10.8 in ASHRAE 90.1-2010, but the table mentioned ...

Last reply: Marcus Sheffer, Sep 3, 2019, 2:33 pm

Exemption of Tenant Space

NC-2009 EAp2: Minimum Energy Performance
posted by Sandra Lester on Aug 28, 2019, 4:17 pm

We are working on a project that is primarily a nursing home but there is a tenant space on the ground floor that is about 15% of the building. The tenant is required to put in their own HVAC...

Last reply: Marcus Sheffer, Aug 28, 2019, 5:19 pm

Baseline envelope- Existing Buildings (Retrofit)

NC-2009 EAp2: Minimum Energy Performance
posted by João Costa on Oct 9, 2014, 10:11 am

Hello,
I would like to ask if anyone has a comment on two questions regarding the baseline model for existing buildings:

1) According to Table 3.1 from Appendix G, thermal loads due...

Last reply: Marcus Sheffer, Jul 16, 2019, 4:53 pm

Side Lighting- Clerestory

NC-2009 EAp2: Minimum Energy Performance
posted by Fatou Jabbie, | BSc. Comp. Sci. | MSc. Sustainability Management | LEED AP BD+C on Jul 12, 2019, 8:58 am

Hello everyone, happy Friday!

Should a Clerestory Side-light be considered a window? Not sure why am thinking it could be considered as a Skylight but thought to confirm anyway. Thank you...

Last reply: Fatou Jabbie, | BSc. Comp. Sci. | MSc. Sustainability Management | LEED AP BD+C, Jul 12, 2019, 2:06 pm