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Shared HVAC system with non-LEED building

NC-v4 EAc2: Optimize Energy Performance
posted by GBD Architects on Feb 3, 2017, 1:25 pm

Hi all,

We are looking to certify a new building on a higher-ed campus that will be sharing HVAC systems with an existing building. The existing building will likely not pursue...

Last reply: Marcus Sheffer, Feb 4, 2017, 5:38 pm

Modeling system serving both HVAC and Process

NC-v4 EAc2: Optimize Energy Performance
posted by Visu Boj on Dec 3, 2016, 1:30 am

We are doing certification for a beverage factory. The factory requires chilled water for process load that is served by 2*1080 kW Evaporatively cooled Screw chillers. The same serves for air...

Last reply: Marcus Sheffer, Dec 4, 2016, 3:36 pm

Process- Transport Refinery Energy

NC-v4 EAc2: Optimize Energy Performance
posted by Victoria Watson on Nov 5, 2016, 6:21 pm

Hi, Is there any precedent for being able to exclude fuel refinery energy from an energy model. Usually refinery of diesel would be done offsite for a typical fleet facility (therefore no energy...

Last reply: Victoria Watson, Nov 5, 2016, 10:24 pm

CS Alternative Compliance Path

NC-v4 EAc2: Optimize Energy Performance
posted by Joan Kelsch on Aug 26, 2014, 2:09 pm

Will the LEED CS 2009 Alternative Compliance Path continue through to LEED version 4? There is a 2009 calculator that CS projects use to determine revised points thresholds based on Owner-...

Last reply: Noriko Nagazumi, Oct 6, 2015, 8:42 pm

ASHRAE Advanced Energy Design Guide- Option 2

NC-v4 EAc2: Optimize Energy Performance
posted by Aaron Wascher on Oct 5, 2015, 4:52 pm

Does anyone know if this applies to new construction only or do renovated spaces need to be upgraded to meet this? My project is 17% new/83% renovation. Since there are no calculations, the...

Last reply: Marcus Sheffer, Oct 5, 2015, 6:00 pm

Process loads

NC-v4 EAc2: Optimize Energy Performance
posted by Ake Larsson on Oct 7, 2014, 4:14 am

In our company, we have introduced LEED as mandatory for all new construction projects. but unfortunately LEED is not really made for Factories, where you have quite a high process loads compared...

Last reply: Stefanie Young, May 20, 2015, 5:45 pm

Major Renovation vs. New Construction

NC-v4 EAc2: Optimize Energy Performance
posted by Eric Webber on Apr 9, 2015, 6:27 pm

We are in the conceptual design phase of a project consisting of renovations to an existing building and a significant addition. The current area breakdown is below:

No Change...

Last reply: Marcus Sheffer, Apr 9, 2015, 7:08 pm

DEMAND RESPONSE energy modeling

NC-v4 EAc2: Optimize Energy Performance
posted by Habitech Distretto Tecnologico Trentino on May 26, 2014, 8:10 am

How is it possible to take advantage of energy use reduction due to...

Last reply: Marcus Sheffer, May 27, 2014, 12:19 pm