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Proof on Exceptional Calculations of Energy Modelling

CS-2009 EAp2: Minimum Energy Performance
posted by Kathy Wong on Jan 7, 2019, 2:13 am

Our LEED project has adopted lighting control as energy-saving strategy for parking garage and documented as exceptional calculation in EAp2 and EAc1. Soon we received USGBC's comment asking for...

Last reply: Kathy Wong, Jan 8, 2019, 4:48 am

(Sample) Lease Agreement

CS-2009 EAp2: Minimum Energy Performance
posted by Charalampos Giannikopoulos on Feb 15, 2015, 11:33 am

If no tenants have been identified can the project owner claim relevant energy saving from reduced lighting power...

Last reply: Marcus Sheffer, Dec 20, 2018, 5:10 pm

LPD for covered (open) mechanical room

CS-2009 EAp2: Minimum Energy Performance
posted by Jorge López de Obeso on Nov 21, 2018, 5:22 pm

We're working on an energy modeling configuration and  filling the Section 1.4 Table: The project includes a mechanical room on the roof floor which is not entirely unclosed, it has a steel deck...

Last reply: Marcus Sheffer, Nov 23, 2018, 1:21 pm

Proposed Building's HVAC system

CS-2009 EAp2: Minimum Energy Performance
posted by Luis Andrade on Jun 22, 2018, 9:42 am

Hi everyone,

I'm modeling an office building under LEED CS v2009. The scope of C&S includes a centralized cooling and heating system (air cooled chilers and heat pumps), ventilation...

Last reply: Marcus Sheffer, Oct 24, 2018, 3:02 pm

Tenants HVAC System Type

CS-2009 EAp2: Minimum Energy Performance
posted by Amgad Khattab on Aug 31, 2011, 9:26 am

We are modeling a Core & Shell office building where the HVAC system is in the tenant scope. we are only delivering chilled water and outdoor air to the tenant areas. We are specifying fan...

Last reply: Marcus Sheffer, Oct 24, 2018, 10:44 am

Modeling a DOAS Serving Shell Space

CS-2009 EAp2: Minimum Energy Performance
posted by Cory Duggin on Sep 5, 2018, 12:56 pm

We have a fully designed DOAS that provides ventilation to the core and shell spaces of the building.  Since the DOAS is fully designed, can we have it provide the ventilation to the shell spaces...

Last reply: Cory Duggin, Sep 7, 2018, 12:11 pm

heat recovery in baseline

CS-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Aug 27, 2018, 6:30 am

I'm using  v2009_Minimum Energy Performance Calculator_v09.xlsm

In the tab "Air-Side HVAC" it specifies that energy recovery is required "For Baseline, any individual systems where supply...

Last reply: Marcus Sheffer, Aug 27, 2018, 3:39 pm

Thermal zones split and AHU serving them

CS-2009 EAp2: Minimum Energy Performance
posted by Vassil Vassilev on Aug 17, 2018, 6:04 am

Greetings,

The project we are modeling is an office building Core and Shell type with a Г shape. It consists of large office zones, as they will be later subdivided to the future tenants...

Last reply: Marcus Sheffer, Aug 17, 2018, 10:04 am

Fan control

CS-2009 EAp2: Minimum Energy Performance
posted by Jorge López de Obeso on Aug 14, 2018, 2:06 pm

I'm working on a project where the building owner is going to provide several Fan&Coil units, the fan control of these units has 4 different presets of velocity being: super high, high,...

Last reply: Marcus Sheffer, Aug 15, 2018, 11:01 am

LEED Campus: exterior lighting

CS-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Aug 10, 2018, 11:48 am

The building I am modeling is part of a campus. The LEED boundaries of the single buildings are coincident with the buildings while the exterior spaces are inside the LEED Campus boundary. How...

Last reply: Marcus Sheffer, Aug 10, 2018, 12:05 pm