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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

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

exterior lighting: roof

CS-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Aug 10, 2018, 3:35 am

Hello, is exterior lighting on a roof (terrace) regulated by ASHRAE 90.1-2007?  Or shall it be modelled in the same way (same power and same schedules) in the proposed and in the baseline model...

Last reply: Marcus Sheffer, Aug 10, 2018, 12:00 pm

Energy modeling ACP

CS-2009 EAp2: Minimum Energy Performance
posted by Gabriela Mena on Jul 12, 2018, 11:37 am

Hi, 

We have a CS project- Office building of 16 levels. To achieve  minimum energy performance and optimize energy performance we are applying the ACP. The HVAC cooling system consist in...

Last reply: Marcus Sheffer, Jul 12, 2018, 11:57 am

Polyvalent Chiller Efficiency

CS-2009 EAp2: Minimum Energy Performance
posted by Francisca Herrera on Mar 22, 2018, 3:34 pm

Hi, I hope you can help me with my query.

In a project in process of certification LEED v2009, we are evaluating the efficiency of a polyvalent chiller.

Which table of the ASHRAE 90...

Last reply: Marcus Sheffer, Mar 22, 2018, 4:17 pm

Elevators with regenerative braking- EAp2 form

CS-2009 EAp2: Minimum Energy Performance
posted by Pamela Svetllana Santos Souza on Jun 14, 2017, 12:45 pm

Hello,

We are modelling for LEED C&S 2009. The project has 26 floor type of mixed-use offices. My question is about the Minimum Energy Perfomance credit form (EAp2). We're going to use...

Last reply: Marcus Sheffer, Mar 21, 2018, 2:44 pm