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CCHP System modeling

NC-2009 EAp2: Minimum Energy Performance
posted by Jie Shen on Apr 20, 2016, 10:07 pm

My project is provided by CCHP system which owned by third party, the CCHP has two gas generators, one heat recovered gas absorption chiller, two normal chillers and two boilers.
1)chilled...

Last reply: Nikunj Verma, Apr 15, 2025, 3:37 am

ASHRAE 90.1-2007 Lighting Power Density

NC-2009 EAp2: Minimum Energy Performance
posted by Arub Vijay on Feb 14, 2012, 8:51 am

forum as no one will see the answer in a LEED 2009 forum. Log in or register to post comments Marcus Sheffer LEED Fellow 7group / Energy Opportunities LEEDuser Expert 5927 thumbs up April 2, 2025- 5:45 pm Please post this question in a LEED v4 or LEED v4.1 forum as no one will see the answer in a LEED 2009 forum. Log in or register to post comments ...

Last reply: Marcus Sheffer, Apr 2, 2025, 5:45 pm

Exceptional calculation method application.

NC-2009 EAp2: Minimum Energy Performance
posted by FABIO VIERO on Jun 8, 2015, 4:07 am

Under ASHRAE 90.1 – G2.5, can we avoid to use a workaround to detail a HVAC system feature which could involve an energy saving, therefore avoid to do an exceptional calculation method, if we...

Last reply: Marcus Sheffer, Apr 2, 2025, 5:26 pm

Modeling 100% Fresh Air Casino Floor in LEED v4.1

NC-2009 EAp2: Minimum Energy Performance
posted by Kathy Collins, LEED AP , WELL AP on Feb 20, 2025, 8:12 am

I am working on a hotel project where the ground floor is entirely dedicated to a casino. This casino floor is served by 8 AHUs, all supplying 100% fresh air. These AHUs are equipped with heating...

Last reply: Kathy Collins, LEED AP , WELL AP, Feb 20, 2025, 1:21 pm

Existing envelope

NC-2009 EAp2: Minimum Energy Performance
posted by Sandra Holmström on May 13, 2015, 4:49 am

This forum is for an older version of LEED that has sunset. Log in or register to post comments ...

Last reply: Marcus Sheffer, Feb 4, 2025, 10:23 am

Modeling Electric Unit Heater

NC-2009 EAp2: Minimum Energy Performance
posted by Nishank Shah on May 10, 2018, 9:07 pm

I have to model electric unit heaters in HAP for spaces like Stairs, Trash rooms, Vestibules etc. The issue is that the Stairs are already served by heat pumps and electric unit heaters will turn...

Last reply: Khaled Fouda, Jan 13, 2025, 11:33 am

Plug Load Exemption

NC-2009 EAp2: Minimum Energy Performance
posted by Kim Lombard on Apr 23, 2015, 2:07 pm

insight and comments. I very much appreciate this forum as a place where we can ask the questions concerning our project, even when the questions aren't popular ones. Like most projects this one has...

Last reply: Marcus Sheffer, Aug 28, 2024, 3:20 pm

Multiple Buildings in One Energy Simulation

NC-2009 EAp2: Minimum Energy Performance
posted by PAWAN DAHIWAL on Apr 11, 2018, 6:40 am

Hi,

Group Approach: There are 3 owner occupied buildings (same type) within LEED boundary serve by the common (central) HVAC system. Energy modelling software is capable...

Last reply: Manuel Romera Molina, Jun 17, 2024, 10:54 am

Energy Modeling using “HAP”

NC-2009 EAp2: Minimum Energy Performance
posted by Muzamil Rafique on May 27, 2016, 2:50 am

I am doing the energy model for a project. The project total area is “153,145 sf”, 25,346 sf area of the total area is condition and the other “127,799” sf area is unconditioned, “ventilation fan...

Last reply: Marcus Sheffer, Mar 26, 2024, 7:46 pm

Energy modeling for unconditioned human occupied spaces

NC-2009 EAp2: Minimum Energy Performance
posted by Yusuf Turab on Jul 15, 2010, 4:02 pm

I recently attended a course on energy modeling using eQuest. I was puzzled by the response of the instructor when asked how can one model an office building that is completely unconditioned....

Last reply: Muhammad Farooq Saeed, Mar 17, 2024, 9:26 pm