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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

Modeling System-8

CI-v4 EAc2: Optimize Energy Performance
posted by Gustav Alfaro on Apr 14, 2018, 7:17 pm

Hi to all,

Our project scope is modeling one floor of a 20 stories office building. It is clear that we must use system 8 for the baseline based on the full office building...

ASHRAE 90.1 Appendix G Fan Power Calculator

CI-v4 EAc2: Optimize Energy Performance
posted by Marcus Sheffer on Apr 5, 2018, 10:40 am

7group has updated their baseline fan power calculator to include ASHRAE 90.1-2010, 2013 and 2016 baseline fan power calculations. You can download it for free in the Documentation Toolkit tab....

Interior Lighting Controls- Daylighting Controls

CI-v4 EAc2: Optimize Energy Performance
posted by Michael Archer on Mar 5, 2018, 7:00 pm

The credit states the following: Install daylight-responsive controls in all regularly occupied daylit spaces within 15 feet (4.5 meters) of windows and under skylights for at least 25%...

Last reply: Marcus Sheffer, Mar 7, 2018, 6:08 pm

Office/Industrial Mix- AEDG for Small to Medium Office Buildings

CI-v4 EAc2: Optimize Energy Performance
posted by Martin Meehan on Feb 28, 2018, 8:23 am

Hello

I am working a building which is part office (30% of building area) and light industrial (70% of building area).

The overall area is approx 3000 m2.

Is the project...

Last reply: Marcus Sheffer, Mar 6, 2018, 2:56 pm

Alternative (renewable) Energy Performance Metric

CI-v4 EAc2: Optimize Energy Performance
posted by Alexander Spilger on Nov 20, 2017, 5:30 pm

Does anyone have experience with this open ACP? Under v2009, the energy model could take into account...

Last reply: Marcus Sheffer, Nov 21, 2017, 12:19 pm

Switching between Options 1 and 2

CI-v4 EAc2: Optimize Energy Performance
posted by Meike Borchers on Sep 1, 2017, 7:47 am

We have submitted our initial design stage submittal and received commentary on our Option 2 approach - Prescriptive compliance. However, we have since carried out energy simulation and found...

LEED v4 CI, E&A:AEDG 50% requirements

CI-v4 EAc2: Optimize Energy Performance
posted by Vinay Shekar on Aug 2, 2017, 5:55 pm

The tenant space that we are looking to certify for LEED v4 CI is part of an existing building .
We are going for the prescriptive compliance(Option 2) path for the E&A pre-requisite (...

Last reply: Marcus Sheffer, Aug 7, 2017, 2:11 pm