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Baseline system Exhaust Air Energy Recovery and Heating Supply air, Preheat coil

NC-v4 EAp2: Minimum Energy Performance
posted by J.W. Shin on Nov 22, 2023, 3:01 am

Dear Collegue,

I have some questions for Baseline model's System control

The project has the baseline system (System-7...

Last reply: Tyler Thumma, Apr 5, 2024, 9:54 am

Industrial or non-regular process load

NC-v4 EAp2: Minimum Energy Performance
posted by Charalampos Giannikopoulos on Nov 16, 2016, 8:52 am

For a facilities with increased process load (more than 60%), other than data centers, including but not limited to industrial facilities, is there a particular guidance in establishing a...

Last reply: Farooq Saeed, Mar 29, 2024, 1:40 am

Predictive Climate Data

NC-v4 EAp2: Minimum Energy Performance
posted by Dave Hubka on Feb 15, 2024, 8:17 am

Hello, 

Wondering if anyone is using predictive (i.e., Future) climate data rather than past climate data when performing energy models. 

Thanks!

Last reply: Farooq Saeed, Mar 27, 2024, 11:52 pm

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: Farooq Saeed, 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: Farooq Saeed, 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: Farooq Saeed, 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