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Energy Modelling- Baseline water-cooled chiller's COP, adjusted to local outdoor conditions in lieu of AHRI conditions?

CI-v4 EAc2: Optimize Energy Performance
posted by Andrew Xiao Junzhao on Mar 12, 2019, 4:51 am

Dear LEED APs,

I have a LEED CI v4 project in Taipei, Taiwan, which require whole building energy modelling. Couple of questions I hope to seek clarity:

Question 1:

...

Last reply: Marcus Sheffer, Mar 18, 2019, 3:46 pm

ENERGY STAR Equipment and Appliances Policy

CI-v4 EAc2: Optimize Energy Performance
posted by Saurabh Shrestha on Jan 23, 2019, 8:30 pm

I am working on a project where the ownership has a policy that requires 100% of equipment and appliances to be ENERGY STAR-rated. However, for this particular project, the equipment and...

Last reply: Marcus Sheffer, Jan 24, 2019, 11:12 am

Modelling outdoor air flow rate in baseline energy model- ASHRAE 62.1 and Local Code

CI-v4 EAc2: Optimize Energy Performance
posted by Ciaran McCabe on Jan 17, 2019, 2:54 pm

Hi all,

In the open plan office areas we followed the local code (CIBSE – guidance documents) which exceeds ASHRAE 62.1 (+30%) significantly, and in all other areas we followed ASHRAE 62.1...

Last reply: Marcus Sheffer, Jan 17, 2019, 3:10 pm

Energy Model Scope for CI Project with independent HVAC system

CI-v4 EAc2: Optimize Energy Performance
posted by Marie Garcia on Oct 9, 2018, 5:07 am

hi Marcus / hi everyone,

We have a LEED CI project that is part of a 4 storey commercial building. Only portion of the Ground Floor will be part of the LEED CI project. Each tenant space...

Last reply: Marie Garcia, Oct 10, 2018, 11:37 pm

HVAC Equipment Efficiency

CI-v4 EAc2: Optimize Energy Performance
posted by Jonathan Koh on Oct 9, 2018, 9:25 am

Hi, my building has a single tenant and we are going for LEED ID+C. The building is served by a water-cooled chiller plant and chilled water fan coil units. Looking at the ADEG for climate zone 1...

Last reply: Marcus Sheffer, Oct 10, 2018, 11:05 am

HAVC zoning and controls

CI-v4 EAc2: Optimize Energy Performance
posted by Amy L on Jul 17, 2018, 3:45 am

If it comes from another credit please post you question under that forum. Log in or register to post comments Amy L LEEDuser Basic Member July 17, 2018- 10:35 pm Hi Marcus, the statement comes from...

Last reply: Marcus Sheffer, Aug 8, 2018, 12:16 pm

Project Commercial Interior in existing building.

CI-v4 EAc2: Optimize Energy Performance
posted by Vassil Vassilev on Jul 24, 2018, 7:09 am

The issues is related to the cooling.

Greetings,

The project pursuing LEED CI is renting an floor area, part of a building with a central cooling plant with a cold water chiller and...

Last reply: Marcus Sheffer, Jul 24, 2018, 11:46 am

Option 2 HVAC Zoning & Controls

CI-v4 EAc2: Optimize Energy Performance
posted by Aaron Wintersmith on Jun 6, 2018, 7:56 pm

The credit language for this Option says "provide a separate control zone for each solar exposure and interior space."

The proposed design is pretty typical...

Last reply: Marcus Sheffer, Jun 8, 2018, 10:51 am

Efficient Refrigeration Equipment

CI-v4 EAc2: Optimize Energy Performance
posted by Michael Archer on May 22, 2018, 10:29 am

Under 'Further explanation - Exceptional Calculation method - Changes from earlier versions of ASHRAE and LEED', the CI reference guide states "All project types may count energy savings from...

Last reply: Marcus Sheffer, May 22, 2018, 12:32 pm

ASHRAE 50% AEDG

CI-v4 EAc2: Optimize Energy Performance
posted by AMY VAN DAM on Mar 24, 2015, 2:10 pm

Can a project pursue the prescriptive compliance path if there is not a ASHRAE 50% Advanced Energy Design Guide that is specifically applicable to the...

Last reply: Robert Fernandez, Apr 19, 2018, 5:00 pm