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pressure drop adjustment System 1

NC-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Oct 3, 2016, 4:11 am

Can the...

Last reply: Marcus Sheffer, Oct 3, 2016, 10:16 am

CHP electricity not used by the building

NC-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Aug 24, 2016, 5:12 pm

I'm modeling a building where hot water is provided by a district heating system. The district heating system is a cogeneration system (...

Last reply: Marcus Sheffer, Sep 12, 2016, 10:25 am

return fan for PTAC

NC-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Aug 19, 2016, 12:33 pm

G3.1.2.8 states: "If return or relief fans are specified in the proposed design, the baseline building design shall be also be modeled with fans serving the same functions (...)".
Is this...

Last reply: Marcus Sheffer, Aug 19, 2016, 12:46 pm

occupation hours for dormitories

NC-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Aug 16, 2016, 7:16 am

I’m modelling a student house. In some rooms there is an independent kitchen, while in some other rooms there isn't. The students that will occupy the second kind of rooms will use common...

Last reply: Marcus Sheffer, Aug 16, 2016, 12:35 pm

G3.1.3.13 in Tab. 1.4

NC-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Aug 9, 2016, 5:04 am

I modeled a baseline model with System 7. The reviewers wrote that in Tab. 1.4 insufficient information was provided about the...

Last reply: Francesco Passerini, Aug 9, 2016, 8:55 am

residential/nonresidential

NC-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Aug 5, 2016, 12:44 pm

Exception a. of G3.1.1 states: "Use additional system type(s) for non predominant conditions (i.e. residential/nonresidential …)".
The building that I am modeling is mainly occupied by...

Last reply: Marcus Sheffer, Aug 5, 2016, 7:01 pm

Building Area Method- highlighting merchandise

CS-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Jul 27, 2016, 6:59 am

For a building I have to use the Building Area Method (ASHRAE 90.1-2007, 9.5.1) because some calculations were already developed through that method and now changing the method would be...

Last reply: Marcus Sheffer, Jul 27, 2016, 9:49 am

District heating and cooling

NC-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Jul 13, 2016, 11:25 am

I am going to model a building that is connected with a district heating/cooling system. I’m going to use the simplified option of the document “Treatment of District or Campus Thermal Energy in...

Last reply: Francesco Passerini, Jul 20, 2016, 11:35 am

n/a

NC-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Jun 3, 2016, 10:06 am

G3.1.2.5 states:
Ventilation. Minimum outdoor air ventilation rates shall be the same for the proposed and baseline building designs.
Exception: When modeling demand-control...

Last reply: Marcus Sheffer, Jun 3, 2016, 10:49 am

building area method

NC-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on May 29, 2016, 10:12 am

Two issues regarding the building area method.
1. Can the reduction of the lighting power due to occupancy sensors (according to Table G3.2) be considered only if for the baseline model I...

Last reply: Marcus Sheffer, May 31, 2016, 1:01 pm