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ASHRAE 90.1 Section 6.5.3

NC-v4 EAp2:Minimum energy performance
posted by  Michael Abramson  on 

Good afternoon all,

2
Fri Jun 27, 2025, 11:21 am

Acceptability of >300 Setpoint Not Met Hours in High Equipment Load Rooms (e.g., UPS Battery Rooms) – Airport Project

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

Hello everyone,

1
Thu Jul 3, 2025, 7:46 pm
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Outdoor Air when Baseline has System 2

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

I am following v4 and ASHRAE 90.1 - 2016.

I have an Hotel in Climate Zone 3A, therefore I am using System 2 (PTHP) for Baseline.

8
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Amgad Khattab
Managing Partner
Engineering Solutions
LEEDuser Basic Member
0 thumbs up
Thu May 8, 2025, 3:44 pm

Guidance on HVAC and Power Density Assumptions for Retail Tenant Spaces in Airports (LEED v4 – March 2024 Update)

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

Hello all,

0
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Question about "required ventilation air" in G3.1.2.9.1 for laboratory spaces

NC-v4 EAp2:Minimum energy performance
posted by  CT G  on 

We're seeking clarification on how other users interpret the term "required ventilation air" in the exception to Section G3.1.2.9.1 of Appendix G (ASHRAE 90.1-2010) for laboratory spaces.

2
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Andrey Kuznetsov
ESG consultant, LEED AP BD+C
Self Employed
LEEDuser Basic Member
36 thumbs up
Tue Apr 22, 2025, 7:24 pm

Request for Resource on Standard EUI by Climate Zone and Building Typology

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

Hello everyone,

6
Mon Apr 14, 2025, 4:45 pm
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How to Model Units that are sized for Dehumidification in Labs

NC-v4 EAp2:Minimum energy performance
posted by  Rajat Wadhwa  on 

Hi, 

1
Tue May 13, 2025, 2:47 pm

ASHRAE 62.1 & ASHRAE 170

NC-v4 EAp2:Minimum energy performance
posted by  Dave Hubka  on 

Hello, 

My project is pursing v4 Healthcare certification, but posting to the NC forum. 

2
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Cory Duggin
Senior Energy Wizard
TLC Engineering Solutions
LEEDuser Premium Member
44 thumbs up
Thu Apr 10, 2025, 5:13 pm

Clarification on Baseline Equipment Efficiency Tables for Systems 2, 4, and 6 (ASHRAE 90.1-2010)

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

Hello everyone,

4
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Wed Apr 9, 2025, 2:58 pm
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Calculating Baseline Fan Power and CFM?

NC-v4 EAp2:Minimum energy performance
posted by  Rajat Wadhwa  on 

How should I calculate the Fan CFm and power for Baseline LEED Model, Autosize the baseline system , then use Q=mCpDeltaT to calculate fan CFM and then find out the HP and use pressur adjustment fo

7
Sat Apr 5, 2025, 2:20 pm