Log in
Forum » NC-v4 EAp2
Topic

Chilled Water vs DX System 5 is currently flawed.

NC-v4 EAp2: Minimum Energy Performance
posted by Alejandro Vera on Oct 19, 2018, 10:14 am

At issue, our proposed system (chilled water) is paired against a System 5 (non-residental < 5 floors & 25,000 < SQFT < 150,000) but we are having a problem with the energy modeling...

Last reply: Marcus Sheffer, Oct 19, 2018, 1:55 pm

Dimming of Site Lighting

NC-v4 EAp2: Minimum Energy Performance
posted by Eric Claycamp on Oct 18, 2018, 3:39 pm

I'm working on certification for a higher education building.  We've done many LEED certified buildings on campus under previous versions, but this is our first v4 project.  As I understand,...

Last reply: Marcus Sheffer, Oct 18, 2018, 4:13 pm

LEED Interpretation 10480

NC-v4 EAp2: Minimum Energy Performance
posted by susan eguia on Oct 10, 2018, 7:55 pm

Hi,

Is anyone here aware about LI 10480 requirements?

Appreciate sharing information please.

thanks,

Susan

Last reply: Marcus Sheffer, Oct 11, 2018, 9:47 am

air cooled chiller minimum full load efficiency COP according to LEED

NC-v4 EAp2: Minimum Energy Performance
posted by shamim uddin on Sep 26, 2018, 2:56 pm

Please I am looking for the air cooled chiller minimum full load efficiency COP according to LEED. 

Last reply: Marcus Sheffer, Sep 27, 2018, 11:34 am

How to simplify a complex building in a simulation model

NC-v4 EAp2: Minimum Energy Performance
posted by Hagen Bork on Sep 21, 2018, 6:14 am

Hi there,

I've got a 24 floor office building to model. The floors have 4 different envelope designs and on each level of the building there are at least 7 different zones (after combining...

Last reply: Marcus Sheffer, Sep 24, 2018, 10:47 am

Modeling "cool roof"

NC-v4 EAp2: Minimum Energy Performance
posted by Vassil Vassilev on Sep 24, 2018, 5:55 am

Greetings,

The project we are modeling is located in climate zone 6. The proposed case has decided to use “cool roof: with...

Last reply: Marcus Sheffer, Sep 24, 2018, 10:25 am

Airport External Lighting- Airside

NC-v4 EAp2: Minimum Energy Performance
posted by Ricardo Sá on Sep 4, 2018, 5:47 am

Hi,

we are working in a project of a new airport pursuing LEED certification. In what relates to external lighting, can you please confirm that outdoor areas related to airside (runways...

Last reply: Marcus Sheffer, Sep 21, 2018, 12:02 pm

Using methodology for removing fan energy via Addendum bl for ASHRAE 90.1-2010

NC-v4 EAp2: Minimum Energy Performance
posted by Joanne Choi on Sep 11, 2018, 12:43 pm

Hello,

Addendum bl for ASHRAE 90.1-2010 provides a methodology (with equations) for removing fan energy from packaged equipment efficiency ratings for the baseline, which is very useful....

Last reply: Marcus Sheffer, Sep 14, 2018, 12:16 pm

System type for baseline in semiheated spaces

NC-v4 EAp2: Minimum Energy Performance
posted by Ilaria Piong on Sep 13, 2018, 5:14 am

Hello,

I have  an office that is classified semiheated space (heating capacity equal to 27 W/m2, climate zone 4) and cooled space (cooling capacity equal to 47 W/m2). What is the baseline...

Last reply: Marcus Sheffer, Sep 13, 2018, 10:02 am

District plus heat pump

NC-v4 EAp2: Minimum Energy Performance
posted by Ilaria Piong on Sep 10, 2018, 5:09 am

I have a building composed of two parts: a warehouse and an office. Office is served only by district heating and cooling while warehouse is served both by des and by a stand alone heat pump unit...

Last reply: Marcus Sheffer, Sep 10, 2018, 10:32 am