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LEED Interpretation ID# 10421 for ASHRAE 90.1-2010 Adjusted Point Scale for LEED v2009 Projects

CS-2009 EAc1: Optimize Energy Performance
posted by Silvia Ruiz on Jul 11, 2019, 7:04 pm

Hi,

I have a project that was register on February of 2015 and I’m working with ASHRAE 90.1-2010 in the Energy Model Software, I understand that I can use the interpretation 10421 to...

Last reply: Silvia Ruiz, Jul 12, 2019, 12:45 pm

Lighting control (occupancy sensor)

CS-2009 EAc1: Optimize Energy Performance
posted by Christophe Boussuge on Jun 28, 2019, 10:23 am

Hi all,

I had review back for my ASHRAE 90.1-2007 model for a LEED project (office building) and would need some advice on how to address the subject.

In the first submission of the...

Last reply: Christophe Boussuge, Jul 10, 2019, 2:51 am

Modelling free cooling

CS-2009 EAc1: Optimize Energy Performance
posted by Ilaria Piong on Oct 24, 2018, 10:53 am

I have a Core and Shell building where there is an air-to-air heat pump. This HVAC system has the opportunity to do the free cooling in summer season when outdoor air temperatur is lower than...

Last reply: Marcus Sheffer, Oct 24, 2018, 11:06 am

90.1-2010 Minimum Equipment Efficiencies

CS-2009 EAc1: Optimize Energy Performance
posted by Tom Nichols on Sep 14, 2018, 6:33 pm

I have an interesting situation.  I am looking to model a 60 ton (720,000...

Last reply: Marcus Sheffer, Sep 17, 2018, 11:17 am

Energy Simulation Baseline

CS-2009 EAc1: Optimize Energy Performance
posted by Yong Lee Low on Dec 17, 2017, 9:48 am

Hi, i'm working on an office building of 95,000sqm using a District Cooling System (DCS). I am using the HAP E20 software for simulation. What should be the baseline of the cooling system be?...

Last reply: Marcus Sheffer, Dec 18, 2017, 10:39 am

Car Park Ventilation

CS-2009 EAc1: Optimize Energy Performance
posted by Ciaran McCabe on Aug 28, 2017, 5:01 am

In relation to car park ventilation that will only operate in the event of high carbon monoxide i.e under normal circumstances will be off. How should this be modeled in accordance with ASHRAE 90...

Last reply: Marcus Sheffer, Sep 5, 2017, 12:04 pm

Revised Points Thresholds APC

CS-2009 EAc1: Optimize Energy Performance
posted by Anna Korinkova on Aug 9, 2017, 4:54 am

We would like to clarify the possible Alternative Compliance Paths (ACP) options for the EAc1 (our project is C&S).

There are the three standard ways to achieve credits under the...

Last reply: Anna Korinkova, Aug 9, 2017, 11:36 am

Alternative Compliance Path

CS-2009 EAc1: Optimize Energy Performance
posted by Gabriela Mena on Jun 1, 2017, 2:24 pm

Hi,
We are working in a Core and Shell project that was registered after april, 2016, from that date to comply with the pre requisite we need to achieve at least 14% savings, We want to...

Last reply: Marcus Sheffer, Jun 1, 2017, 2:35 pm

Energy Simulation Baseline

CS-2009 EAc1: Optimize Energy Performance
posted by Yong Lee Low on Apr 24, 2017, 10:51 am

Hi, I am working on a office building of about 15,000sqm using...

Last reply: Marcus Sheffer, May 30, 2017, 8:56 am

"Categorized as an Office Space"

CS-2009 EAc1: Optimize Energy Performance
posted by Aaron Frantz on Apr 27, 2017, 3:51 pm

We are proposing a new mixed use multi-story to be submitted under NC, v2009. The first floor will be cold dark...

Last reply: Marcus Sheffer, May 1, 2017, 9:49 am