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Baseline Heating Source for Zone Served by Both Purchased Heat and Gas Radiant Heaters

Warehouses-NC-v4 EAp2:Minimum energy performance
posted by  Aleksandra Gornisiewicz  on 

We have an industrial hall where a single thermal zone is heated by two separate systems:

0

Unknown Glazing Performance

CI-v4 EQc7:Daylight
posted by  Cory Duggin  on 

We are working on a CI project where the existing glazing performance is unknown.  Is there a conservative, default value the GBCI will accept for use in the daylight simulations?

1
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Sustainability Coordinator
WRNS Studio
LEEDuser Basic Member
2 thumbs up
Thu Sep 24, 2026, 5:22 pm

For proposed case with spot cooling only, how to model baseline and satisfy unmet for both propsoed and baseline

NC-v4 EAp2:Minimum energy performance
posted by  Akhil Sumer  on 

Hi,

A proposed case with spot cooling in kitchen/food prep area is mechanically ventilated aswell. The spot cooling is served by PAHU units connected to ODU. 

1
Thu Sep 24, 2026, 12:23 pm

Baseline HVAC system datacenter

Data-Centers-NC-v4 EA403:Minimum Energy Performance (2024 Update)
posted by  Boris Jonjic  on 

Hi all,

I've got a question regarding the baseline HVAC system for a datacenter project. Modeling in DesignBuilder and using ASHRAE 90.1 2010.

0

Baseline pressure drop adjustments

NC-v4 EAp2:Minimum energy performance
posted by  Boris Jonjic  on 

Hi all,

I've got a question about calculating the pressure drop adjustments for a baseline building. I'm using LEED v4, ASHRAE 90.1 2010.

6
Wed Sep 16, 2026, 12:27 pm

Implementation of Water Leak Detection and Monitoring Pilot

NC-v4 INc1:Innovation
posted by  Lorena Montenegro  on 

It is not clear what the action plan must have in order to comply with the requirements of the credit.

1
Sustainability Engineer
Metec Consulting Engineers
LEEDuser Basic Member
0 thumbs up
Fri Sep 11, 2026, 10:32 am

v4 DES option 1 path 2 full performance accounting

NC-v4 EAp2:Minimum energy performance
posted by  ami patel  on 

I have a Zone 2A 6 story new construction residential dorm building uses ERU DOAS(gas fired(steam not generated on site but campus loop +DES chilled water) that provide outside air to fan coil unit

4
Sustainability Engineer
Metec Consulting Engineers
LEEDuser Basic Member
0 thumbs up
Fri Sep 11, 2026, 9:58 am
5
Sustainability Engineer
Metec Consulting Engineers
LEEDuser Basic Member
0 thumbs up
Thu Sep 10, 2026, 11:25 am
4
Sustainability Engineer
Metec Consulting Engineers
LEEDuser Basic Member
0 thumbs up
Thu Sep 10, 2026, 11:04 am

ASHRAE 90.1-2016 Appendix G Baseline Heatsource

CI-v4 EAp2:Minimum energy performance
posted by  Eric Dyer  on 

Hello,

We are working on a LEED v4.1 BD+C project where the proposed design uses both District Hot Water (Purchased Heat) and District Chilled Water (Purchased Cooling).

1
Thu Sep 3, 2026, 6:04 pm