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Occupant usage of tenant fixtures is less than 100%

CI-v4 WEp1:Indoor water use reduction
posted by  Nadia Azzam  on 

We are working on a tenant fit-out for a specialty group occupying the entire 3rd floor and part of the 1st floor in a LEED-certified building.

2
Energy Engineer
ads ENGINEERS, DPC
LEEDuser Basic Member
21 thumbs up
Tue Sep 16, 2025, 10:02 pm

Data Center LPD

Data-Centers-NC-v4 EAp2:Minimum energy performance
posted by  David Edenburn  on 

When we use the S-by-S method we have problems with some rooms being over-lighted. On average, we are pretty good.

11
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Mon Sep 15, 2025, 2:05 pm

ASHRAE 90.1 Baseline IT energy - Data Centres

Data-Centers-NC-v4 EAp2:Minimum energy performance
posted by  Gregory Mason  on 

We are looking at a Data Centre that is targeting LEED certification in Australia, but struggling to get many energy points due to the high proportion of IT equipment as the total electricity of th

1
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Thu Sep 11, 2025, 6:34 pm

ASHRAE 90.1:2010 - Manual or Partial Auto to 50%

NC-v4 EAp2:Minimum energy performance
posted by  André Harms  on 

The requirement states that “Any automatic control device required … shall either be manual on or shall be controlled to automatically turn the lighting on to not more than 50% power”

3
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Thu Sep 11, 2025, 1:31 pm

Baseline HVAC System accordint Table 6.8.1

NC-v4 EAp2:Minimum energy performance
posted by  Paula Hernandez  on 

Hello, I am modeling a Baseline System 2, PTHP and a doubt has arrised:

1
Sustainability Manager
Conserve Solutions- Riyadh, Kingdom of Saudi Arabia
LEEDuser Basic Member
1 thumbs up
Fri Sep 5, 2025, 5:05 pm
2
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Senior Engineer, LEED AP
Taitem Engineering
LEEDuser Premium Member
6 thumbs up
Wed Sep 3, 2025, 3:08 pm

Clarification and Application of LEED v4 for District Energy Systems Using the Large-Scale DES Calculator

NC-v4 EAp2:Minimum energy performance
posted by  G.J. Teunissen  on 

I am working on a building project in the Netherlands that will utilize district heating.

0

ASHRAE 90.1.2010 and receptacle loads

NC-v4 EAc2:Optimize energy performance
posted by  Konstantina Kalliakoudi  on 

Hello to all,

I have following questions concerning  ASHRAE 90.1.2010 and receptacle loads:

4
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Mon Sep 1, 2025, 2:55 pm

Schedule for Lighting, Occupancy, & Plug Loads

NC-v4 EAp2:Minimum energy performance
posted by  junaid naseer  on 

We are working on a Hospital Project outside USA and we are going though option 1 i.e. whole building energy simulation.

5
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Thu Aug 28, 2025, 4:38 pm