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Baseline Fan Power Calculation (kW/CFM)

NC-2009 EAp2: Minimum Energy Performance
posted by Nina N on Jan 15, 2010, 7:32 am

to post comments Jean Marais b.i.g. Bechtold DesignBuilder Expert LEEDuser Basic Member 832 thumbs up January 25, 2010- 11:17 am Thank you for the explanation. Pitty there's no ASHRAE forum as good...

Last reply: Marcus Sheffer, Apr 9, 2018, 11:34 am

Residential Lighting

NC-2009 EAp2: Minimum Energy Performance
posted by Jorge Lopez de Obeso on Apr 5, 2018, 7:18 pm

Hi Marcus, it seems that this is a real issue in this forum and I ended up more confused.

Help me get this thing right

First, lets clarify some basic concepts:

According to...

Last reply: Jorge Lopez de Obeso, Apr 6, 2018, 1:38 pm

Fenestration assembly U value

NC-2009 EAp2: Minimum Energy Performance
posted by Sivarajah Ragulakeethan on Apr 3, 2018, 12:12 am

Dear All,

I am working on a core and shell project, while I have been modeling the fenestration...

Last reply: Marcus Sheffer, Apr 6, 2018, 1:30 pm

Service Hot Water- modeling the circulation pumps for this system

NC-2009 EAp2: Minimum Energy Performance
posted by Vassil Vassilev on Apr 1, 2018, 4:43 am

Greetings,

Regarding modeling the Service Hot Water (SHW) for a project assigned to System 5, our approach was:

  1. SHW load is the same as per Proposed and per Baseline....

Last reply: Marcus Sheffer, Apr 1, 2018, 8:37 pm

Baseline- System 5, no cooling

NC-2009 EAp2: Minimum Energy Performance
posted by Zsolt Bako-Biro on Mar 5, 2018, 1:14 pm

I have a 11000 sqm warehouse (3 units) 24/7 in operation with natural ventilation, no cooling designed or required, heated to 15°C. The OA requirement is met by the level of...

Last reply: Zsolt Bako-Biro, Mar 16, 2018, 2:26 pm

DHW Flow

NC-2009 EAp2: Minimum Energy Performance
posted by Jorge Lopez de Obeso on Mar 15, 2018, 12:59 pm

Hi, I'm having a hard time trying to estimate my DHW Flow in the energy model for a residential project. I already put the inputs in Table 1.4 consistent with WEp1, however, table 1.4 only shows...

Last reply: Marcus Sheffer, Mar 16, 2018, 1:07 pm

Lighting density

NC-2009 EAp2: Minimum Energy Performance
posted by Sivarajah Ragulakeethan on Mar 6, 2018, 5:12 am

Hi,

I am working on a core and cell project, There are some spaces don't have lighting power (o kw) such as  void, lift (not lobby), escalator,  duct and etc.  How to select the space type...

Last reply: Marcus Sheffer, Mar 7, 2018, 9:23 am

Semi-Heated Space, fan volume & fan power must be modeled identically in baseline and proposed.

NC-2009 EAp2: Minimum Energy Performance
posted by Dave Hubka on Mar 1, 2018, 4:06 pm

Hello,

We received a review comment that states "the fan volume and fan power should be modeled identically in the proposed and baseline for semi-heated spaces".

We are not sure...

Last reply: Dave Hubka, Mar 5, 2018, 11:23 am

Hotel HVAC (electric) and DHW (gas) systems

NC-2009 EAp2: Minimum Energy Performance
posted by Ricardo Sá on Feb 22, 2018, 10:48 am

Am I right to assume in the baseline building:

1 - The use of HVAC system 2 for all hotel spaces since it is considered a "Residential" building (according to table G3.1.1A of ASHRAE90.1-...

Last reply: Marcus Sheffer, Feb 27, 2018, 9:25 am

District Energy System: Virtual Rates & Point Restriction Confusion

NC-2009 EAp2: Minimum Energy Performance
posted by Luigi Festa on Jan 11, 2018, 5:37 pm

I have a project that is using a district steam system; modeled under the streamlined path. I used the reference "Treatment of District Energy or Campus Energy in LEED v2 and LEED 2009 - Design...

Last reply: Luigi Festa, Feb 26, 2018, 12:54 pm