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LEED ID&C EAc1.3

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Dave Cale on Mar 24, 2017, 12:48 pm

I am pursuing this credit under option 2. My client has bought a 9 story building and the project in question is for 2 partial floors and three full floors. The mechanical scope is the addition...

Last reply: Marcus Sheffer, Apr 21, 2017, 10:26 am

Option 1: Zoning and controls

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Ricardo Sá on Mar 21, 2017, 8:38 am

Hi,

The project is basically a huge sales area with some office spaces.The sales area is served by multiple compact rooftop units and the office areas are served by DOA´s for ventilation...

Last reply: Marcus Sheffer, Mar 21, 2017, 11:09 am

Option 1: Equipment Efficiency

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Ricardo Sá on Mar 21, 2017, 8:56 am

Hi,

I have several compact rooftop units serving a big sales area. However, only 80% of them is actually new equipment that meet the credit's criteria. If the project reuses old equipment...

Last reply: Marcus Sheffer, Mar 21, 2017, 10:36 am

Section 3.10 compliance

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Edgar Arevalo on Jan 12, 2017, 4:59 pm

I'm working on a CI project that we are currently designing VAVs for the floor(s), the main AHUs are not part of the scope of work but they have VFDs. To comply with Section 3.10, which is...

Last reply: Edgar Arevalo, Mar 13, 2017, 9:30 am

Critical Path Supply Duct Pressure Drop Calculations

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Bryan Lanier on Mar 10, 2017, 10:18 am

Currently working on a tenant project. Base building chilled water to each floor supplying DOAS Terminal Units. I'm planning on supplying PD calcs for representative units. Is there a specific...

Last reply: Marcus Sheffer, Mar 10, 2017, 1:14 pm

HVAC Appropriate Zoning and Control

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Gabriela Crespo on Aug 5, 2016, 12:35 pm

Dear all,

We are working on a Commercial Interiors project, where there is a...

Last reply: Bazeeth Ahamed K M, Nov 29, 2016, 12:56 am

Chilled water flow and pipe sizes

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by Jayakumar Pamuri on Oct 25, 2016, 1:34 am

Hi All, I am here to post my query about chilled water system,flow and pipe sizes.

As everybody know chilled water flow is 1.5 usgpm/tr when chiller is selected at delt T 16°F & 2.4...

Last reply: Bazeeth Ahamed K M, Oct 26, 2016, 3:10 am

appropriate zoning, solar exposure- apartment

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by X. Chen on Sep 28, 2016, 6:35 pm

Hi,

My project is a student dorm building with some faculty apartments. The faculty apartment might have two or three bedrooms and one living rooms, etc. The bedrooms and living rooms are...

Last reply: Marcus Sheffer, Oct 6, 2016, 10:02 am

ECB vs Appendix G

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by MKK LEED on Sep 22, 2016, 4:42 pm

I am trying to understand whether the modelling for Option 2 of this credit is supposed to be done using the ECB method or Appendix G. In the initial option wording it says ECB, but under the...

Last reply: Marcus Sheffer, Sep 23, 2016, 11:01 am

TFA (Treated Frtesh air unit)- Energy Modeling

CI-2009 EAc1.3: Optimize energy performance - HVAC
posted by SAMY Chamy on Sep 7, 2016, 3:27 am

Dear all:-

Our project have installed with VRF with TFA Unit

Due to TFA unit usage we have significant saving in HVAC because outdoor air supply temperature is very low now we have...

Last reply: Marcus Sheffer, Sep 12, 2016, 9:50 am