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Credit For Excess Chilled Water Rejected To Plant Site Chilled Water System

NC-v4 EAp2: Minimum Energy Performance
posted by Michael Hill on Feb 14, 2024, 4:53 pm

I am working on a project that is using heat pump chillers to generate hot and cold water for the building systems. When the building loads are cooling dominated, the excess heat is rejected to...

Last reply: Abdullah Tahir, Mar 26, 2024, 4:29 am

Modeling only conditioned area

NC-v4 EAp2: Minimum Energy Performance
posted by Omar Elrawy on Dec 9, 2020, 10:05 pm

I'm certifying a huge factory with an attached office building. Is it possible to model only the office area?
The factory is high on process loads, which will make it impossible to achieve...

Last reply: Abdullah Tahir, Mar 25, 2024, 1:38 am

Peak Shaving Strategies

NC-v4 EAp2: Minimum Energy Performance
posted by Dave Hubka on Mar 18, 2024, 1:06 pm

The energy used by electric vehichle charging stations within the LEED Project Boundary is not included within the eneryg model. I am wondering, if electric vehicle charging was 'locked out'...

Last reply: Dave Hubka, Mar 18, 2024, 2:02 pm

Any HAP file that contain both of the proposed building and the baseline

NC-v4 EAp2: Minimum Energy Performance
posted by Mohamed Abdelrahim Abdelaal on Jul 30, 2019, 7:33 am

I’m new in modeling, I have a building need to be simulated for leed rating, Can you please share a "HAP" file that contain both of the proposed building and the baseline for any project as a...

Last reply: Abdullah Tahir, Mar 15, 2024, 5:04 am

Predictive Climate Data

NC-v4 EAp2: Minimum Energy Performance
posted by Dave Hubka on Feb 15, 2024, 8:21 am

Are there any firms performing energy models with future predictive climate data rather past published climate data?

If so, I wonder if the ghost of energy modeling future is scarier than...

Last reply: Sarah Leenknegt, Feb 15, 2024, 9:11 am

Envelope Description Reference- Using California Building Energy Efficiency Standard (Title 24) as reference?

NC-v4 EAp2: Minimum Energy Performance
posted by Moses Chong on Feb 5, 2024, 4:33 pm

Hi! I know that we have to describe the construction of the opaque envelope and reference the 90.1 Appendix A table in the minimum energy performance calculation. Can I use the...

Last reply: Jamy Bacchus, Feb 13, 2024, 9:16 pm

Baseline Heating Type with Campus Steam Humidification

NC-v4 EAp2: Minimum Energy Performance
posted by Michael Hill on Feb 13, 2024, 2:42 pm

I am modeling a lab builidng for LEED v4 and I am trying to determine what the Baseline heating type should be. Space heating and cooling are being provided by heat pump chillers in the proposed...

Last reply: Marcus Sheffer, Feb 13, 2024, 2:54 pm

Thermal compliance of Revolving doors

NC-v4 EAp2: Minimum Energy Performance
posted by Alokmay Behera on Feb 2, 2024, 3:13 am

I am working on a LEED project with revolving doors at the building entrances. The project has a proposed glazing specification. The Client wants clear glass in the revolving doors which however...

Last reply: Alokmay Behera, Feb 7, 2024, 6:42 am

Modeling indirectly conditioned spaces

NC-v4 EAp2: Minimum Energy Performance
posted by Gaston Michaud on Jan 31, 2024, 6:55 pm

Hi all, 

We are working in a CS project, and just got back the following comment from the LEED Reviewer: 

The SV-A reports indicate that most of the core spaces were modeled as...

Modeling Proposed DHW with Insulation

NC-v4 EAp2: Minimum Energy Performance
posted by Rajat Wadhwa on Jan 31, 2024, 2:07 pm

Hi I am Modeling a...

Last reply: Marcus Sheffer, Jan 31, 2024, 5:32 pm