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Mandatory envelope thermal properties

CS-2009 EAp2: Minimum Energy Performance
posted by Katherine Ann Resurreccion on Feb 14, 2012, 4:24 am

I have a question about the mandatory provisions with international projects (Climate-1), in a tropical country where heating is not applicable and wall insulation is not typically being used....

Last reply: Gustavo De las Heras Izquierdo, Nov 14, 2023, 7:16 pm

LEED 2009 Core and Shell- Kitchen equipments modelling

CS-2009 EAp2: Minimum Energy Performance
posted by Jerzy Wójcik on May 30, 2017, 9:50 am

Dear Marcus
I am writting to enquire about kitchen plugloads in CS. In one of our CS project client wants to include restaurant and kitchen.

Our energy modeling technique for CS is...

Last reply: Marcus Sheffer, Mar 22, 2023, 2:13 pm

Air Curtains vs. Vestibules

CS-2009 EAp2: Minimum Energy Performance
posted by Ralf Lehmann on Jun 27, 2012, 3:56 am

It seams to be a topic that is interesting for several members of LEED user. Since March the new International Green Construcion Code (IgCC) is available. It allows air curtains as an alternative...

Last reply: Marcus Sheffer, Aug 31, 2022, 1:17 pm

Tankless Electrical Water Heaters

CS-2009 EAp2: Minimum Energy Performance
posted by Pedro Urazan on May 11, 2016, 10:51 am

Hi,

Do tankless Electrical water heaters have to comply with any efficiency requirements, in order to comply with the 7.4 mandatory provisions? On table 7.8 the performance requirements...

Last reply: , Jun 10, 2022, 10:53 am

No HVAC equipment in the Proposed Building

CS-2009 EAp2: Minimum Energy Performance
posted by Paula Hernandez on Apr 4, 2022, 1:49 pm

Hi,

I am working on the certification of a wharehous, in V2009 version.

The wharehouse only counts with ventilation, and no cooling or heating systems. 

As per ASHRAE 992.1-...

Last reply: Paula Hernandez, Apr 5, 2022, 2:46 pm

Model the systems as described in the design documents

CS-2009 EAp2: Minimum Energy Performance
posted by Manuel Martin Delgado on Apr 15, 2021, 10:17 am

Hi,

We are doing the energy model for a building using the default occupancy for C&S projects (as per client approach), however the systems have been designed and sized for a much...

Last reply: Marcus Sheffer, Apr 21, 2021, 2:19 pm

Minimum MEP system & Advanced Buildings Core Performance Guide

CS-2009 EAp2: Minimum Energy Performance
posted by Kerrie Racicot on Feb 21, 2013, 1:35 pm

We are working on a core & shell project.
Is there a minimum MEP system needed to use the Advanced Buildings Core Performance Guide option?

Last reply: Marcus Sheffer, Mar 17, 2021, 11:51 am

COP and SFP values for energy modelling

CS-2009 EAp2: Minimum Energy Performance
posted by shashank jain on Apr 30, 2013, 6:26 am

(for a office building in Sao Paulo)

COP:

For an office building in Sao Paulo, the proposed case uses air cooled system with a COP value of 2.87. The base case calculation from...

Last reply: Jean Marais, Nov 18, 2020, 9:41 am

Enclosed Parking Garage Ventilation

CS-2009 EAp2: Minimum Energy Performance
posted by Gabriela Mena on Oct 27, 2020, 10:33 am

Hi, 

We are working on a CS V2009 project that is willing to control the parking garage ventilation by detecting contamination levels. According to ASHRAE 90.1-2010, the airflow...

Last reply: Tyler Thumma, Nov 6, 2020, 9:14 am

Chilled beams with default occupancy

CS-2009 EAp2: Minimum Energy Performance
posted by Manuel Martin Delgado on Jun 29, 2020, 7:11 am

Hello,

We have an office building designed with DOAS CAV (20degC ) and active chilled beams with induction factor of 4 (at 18.5degC). The fresh air for higenic reasons is 40m3/h*person,...

Last reply: Tyler Thumma, Aug 21, 2020, 11:33 am