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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, | Technology | Design and Engineering Plan Reviews | Energy Code Compliance | Sustainability | 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, | Technology | Design and Engineering Plan Reviews | Energy Code Compliance | Sustainability | 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, | Technology | Design and Engineering Plan Reviews | Energy Code Compliance | Sustainability | 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, | Technology | Design and Engineering Plan Reviews | Energy Code Compliance | Sustainability | LEED AP BD+C, Jul 12, 2019, 2:06 pm

Exhaust not interlocked with HVAC

NC-2009 EAp2: Minimum Energy Performance
posted by Jorge Lopez de Obeso on Nov 14, 2018, 11:38 am

Hello, we have this residential project were the HVAC system is as follows:

Baseline: System 2 - PTHP

Proposed: Mini Split System

The thing here is that, as known,...

Last reply: deuisi cromversa, Jul 10, 2019, 4:43 pm