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Assigning two ac systems to a single zone

NC-2009 EAp2: Minimum Energy Performance
posted by Madushan Samarakoon on Jun 7, 2018, 11:22 am

I am working with shopping mall project. each shop has equipped with FCU units for air conditioning while separate treated fresh air...

Last reply: Madushan Samarakoon , Jun 12, 2018, 2:44 am

Energy savings from Battery Storage

NC-2009 EAp2: Minimum Energy Performance
posted by Vinay Shekar on Jun 8, 2018, 3:00 pm

Hello,

I have a project which is looking into Battery storage as a means to save $ by discharging the batteries during the...

Last reply: Marcus Sheffer, Jun 8, 2018, 3:20 pm

Modeling Heat Recovering Chillers for the Baseline

NC-2009 EAp2: Minimum Energy Performance
posted by Paula Hernandez on Jun 5, 2018, 1:36 pm

Hello,

I want to know which the energy savings are comparing a Heat Recovery Air Cooled Chiller in the Proposed Building versus it´s equivalent in the Baseline Building.

The...

Last reply: Paula Hernandez, Jun 6, 2018, 7:00 am

Process Loads

NC-2009 EAp2: Minimum Energy Performance
posted by Paula Hernandez on May 28, 2018, 1:58 pm

Hello,

I am modeling a winery and some of the chillers participate only to chilled and heat wine tanks.

We are documenting everything to get the credit for usind these very...

Last reply: Paula Hernandez, Jun 5, 2018, 1:38 pm

Design Changes

NC-2009 EAp2: Minimum Energy Performance
posted by PAWAN DAHIWAL on Jun 2, 2018, 3:07 am

I believe, In any case the proposed building can not be 100% as per design. There will be always variation regarding HVAC equipment selection (e.g. head change wrt actual site installation...

Last reply: Marcus Sheffer, Jun 4, 2018, 11:54 am

Plug Load Reduction Using ASHRAE- 2010

NC-2009 EAp2: Minimum Energy Performance
posted by Thomas Hellmann on Feb 15, 2012, 12:00 pm

Has anyone heard of using ASHRAE 90.1-2010 section 8.4.2 Automatic Receptacle Control within LEED version 3 to show load reductions for the plug loads. I am thinking of using the same plug load...

Last reply: Jorge Torres-Coto, May 20, 2018, 5:40 pm

Fans cycling during unoccupied hours

NC-2009 EAp2: Minimum Energy Performance
posted by Gopinath Vasu on May 17, 2018, 11:52 am

Hi All,

I have a doubt regarding modeling fans cycling during unoccupied hours as per ASHRAE 90.1 section G 3.1.2.4.
Since this section G3.1.2 is General Baseline HVAC system...

Last reply: Marcus Sheffer, May 17, 2018, 12:01 pm

Method to report proposed case Energy consumption- On site Gas Engine based electricity generation

NC-2009 EAp2: Minimum Energy Performance
posted by Rahula Attalage on May 5, 2018, 8:01 pm

Dear All,

I have received the following comment by the reviewer:

"The method used to report the Proposed case energy consumptions does not account for the gas consumption and...

Last reply: Marcus Sheffer, May 17, 2018, 10:34 am

Modeling Electric Unit Heater

NC-2009 EAp2: Minimum Energy Performance
posted by Nishank Shah on May 10, 2018, 9:07 pm

I have to model electric unit heaters in HAP for spaces like Stairs, Trash rooms, Vestibules etc. The issue is that the Stairs are already served by heat pumps and electric unit heaters will turn...

Last reply: Nishank Shah, May 11, 2018, 11:49 am

How to simulate the building with no conditioned areas

NC-2009 EAp2: Minimum Energy Performance
posted by Aravindraj RB on May 7, 2018, 7:15 am

Our project is a garment factory building with no conditioned area, having majority floor area as production unit which is mechanically ventilated. The office & meeting areas in the whole...

Last reply: Melissa Merryweather, May 7, 2018, 1:42 pm