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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

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

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

According to ASHRAE 90.1, Is it mandatory to install occuppant sensors in electrical and mechanical rooms?

NC-v4 EAp2:Minimum energy performance
posted by  Sara BENLOUBA  on 

According to ASHRAE 90.1 / Section 9.4.1.2 , Do we have to install occupant sensor or a timer switch in electrical and mechanical rooms? 

 

Thanks, 

5
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Thu Aug 28, 2025, 12:50 pm
2
Assistant Sustainability Manager
L&T Construction
LEEDuser Basic Member
2 thumbs up
Wed Aug 27, 2025, 1:55 pm

Baseline Energy Model - Outside Air Ventilation Rate for Zoo Spaces

NC-v4 EAp2:Minimum energy performance
posted by  Mini Laird  on 

We would like to confirm our approach to determining the outside air ventilation rate for a Zoo project for the Baseline energy model, specifically for an animal holding area.

0

Power Purchase Agreement (PPA) applicability

NC-v4 EAp2:Minimum energy performance
posted by  Tomasz Kolsicki  on 

Dear Sirs and Madams,

I have a question considering power purchase agreements regarding of LEED certification.

1
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Wed Jul 16, 2025, 3:21 pm

Clarification on Residential vs. Non-Residential Classification for Dormitory and Dining Block in a Cricket Academy

NC-v4 EAp2:Minimum energy performance
posted by  Anurag Ghosh  on 

Our project is a non-residential cricket academy with three blocks, including a dormitory (for trainee athletes) and a dining facility.

3
Assistant Sustainability Manager
L&T Construction
LEEDuser Basic Member
2 thumbs up
Tue Jul 8, 2025, 12:50 pm

Baseline system efficiency

NC-v4 EAp2:Minimum energy performance
posted by  Greenlab   on 

Hello everyone, 

I am modeling a baseline system No. 6 - Packaged VAV with PFP boxes (ASHRAE 90.1-2010) and I would like to confirm some things:

 

12
Assistant Sustainability Manager
L&T Construction
LEEDuser Basic Member
2 thumbs up
Thu Jul 3, 2025, 7:41 pm