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Energy model for a version 4 project in a version 2009 project

CS-2009 EAp2: Minimum Energy Performance
posted by Mathilda Jonsson on Jan 26, 2016, 1:07 am

Hi all!
We started up a LEED for CS version 4 project and got really good results for the energy model. The owner wants to double certify the building so it also will earn LEED for CS...

Last reply: Marcus Sheffer, Jan 26, 2016, 10:51 am

Heating System G3.1.10 (c)

CS-2009 EAp2: Minimum Energy Performance
posted by Nicolas Martinez Ochoa on Jan 14, 2016, 3:40 pm

Hello,
I’m working on a Core & Shell office building in Bogota and the baseline system is 8. The building has a central cooling system with chillers and air handle units in each floor,...

Last reply: Marcus Sheffer, Jan 20, 2016, 12:54 pm

Baseline systems

CS-2009 EAp2: Minimum Energy Performance
posted by Samuel Sura on Jan 8, 2016, 6:50 am

Hi LeedUsers,

I have one simple question. According to section G3.1.1 of ASHRAE 90.1 Standard each floor for system 5 through 8 shall be modeled with a separate HVAC system. I hope it...

Last reply: Samuel Sura, Jan 13, 2016, 8:34 am

Energy Recovery (G3.1.2.10)

CS-2009 EAp2: Minimum Energy Performance
posted by Andy Fouss on Jan 8, 2016, 12:32 pm

The proposed building is a dormitory served using individual fan coils (with no outside air in the fan coils) and the outside air for the building being supplied by a single dedicated outside air...

Last reply: Marcus Sheffer, Jan 11, 2016, 4:08 pm

LEED CS building with very minimum landlord provision

CS-2009 EAp2: Minimum Energy Performance
posted by Michael Wahjudi on Dec 10, 2015, 11:27 pm

Hi all, I have LEED CS with very minimum client provision without AC systems (only emergency lights, emergency fans and lifts). But the main tenant has been agreed from the building and the...

Last reply: Michael Wahjudi, Dec 15, 2015, 2:07 am

ASHRAE requirements for cooling towers

CS-2009 EAp2: Minimum Energy Performance
posted by Agata Mozer on Dec 8, 2015, 5:14 am

As part of this Prerequisite we have to provide cooling towers that comply with requirements of section 6.4 of 90.1-2007 ASHRAE Standard. In Table 6.8.1G there are performance requirements listed...

Last reply: Marcus Sheffer, Dec 11, 2015, 10:48 am

HVAC system for 5 storey office block.

CS-2009 EAp2: Minimum Energy Performance
posted by Ciaran McCabe on Dec 7, 2015, 6:57 am

I am modeling a core and shell building with 5 floors. This building will be served by two air handling units. Is there any requirement for me to set up a different HVAC system (a copy) for each...

Last reply: Marcus Sheffer, Dec 7, 2015, 11:45 am

Eficiency of Electric motors operated with VFD

CS-2009 EAp2: Minimum Energy Performance
posted by Pedro Urazan on Dec 4, 2015, 1:50 pm

I would like to know if electric motors that are going to be operated by a...

Last reply: Marcus Sheffer, Dec 4, 2015, 5:33 pm

Building Area Method Vs Space by Space Method

CS-2009 EAp2: Minimum Energy Performance
posted by Ciaran McCabe on Dec 4, 2015, 4:55 am

In terms of the Energy Model for Core & Shell is the "Building Area Method" more applicable as the final layout has not been decide yet ?

Last reply: Marcus Sheffer, Dec 4, 2015, 3:00 pm

ASHRAE 90.1 PRM Energy Model

CS-2009 EAp2: Minimum Energy Performance
posted by Ciaran McCabe on Dec 3, 2015, 5:51 am

Hi,

Does anyone know a good step by step guide useful when working on the 90.1 PRM appendix G model ? To make sure all boxes are ticked !

Last reply: Ciaran McCabe, Dec 4, 2015, 4:53 am