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ASHRAE 90.1 mandatory requirement for daylight dimming not met in many projects

NC-v4 EAp2:Minimum energy performance
posted by  TANVEER ANSARI  on 

Hi,

We have been facing this problem on each and every new project in the region.

4
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Mon Dec 15, 2025, 9:24 pm

Individual workstation controls - Are they really needed?

NC-v4 EQc6:Interior lighting
posted by  Edgar Arevalo  on 

So I need to ask this general question regarding the lighting controls section of this credit.

2
Mon Dec 15, 2025, 6:18 pm

Natural Gas as process loads

NC-v4 EAp2:Minimum energy performance
posted by  A&L SUSTENTABILIDADE   on 

Dear forum users,

We are modeling a manufacturing building that uses natural gas in its welding processes.

Should the natural gas consumption be included in the energy simulation?

1
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Mon Dec 15, 2025, 4:07 pm

Indoor Overheating risk analysis and mitigation; future weather files

Pilot-Credits IPpc98:Assessment and Planning for Resilience
posted by  Tom Phillips  on 
  1. Does anybody have good examples of buildings designed to prevent overheating in current and future climates in the US or Canada?
0

MRpc87 pursuit

Pilot-Credits MRpc87:Verified Construction & Demolition Recycling Rates
posted by  Kristin Rivera  on 

I've run into many instances where I was less than confident in the validity of recycling data from haulers.

2
Senior Consultant
Greenwood Consulting Group
LEEDuser Premium Member
4 thumbs up
Fri Dec 12, 2025, 10:36 pm

Simplified Approach Option for HVAC Systems (ASHRAE 90.1-2016 Section 6.3) – EA Prerequisite (LEED v4.1 ID+C)

LEED v4.1 Discussion Forum
posted by  Pongpitch J.  on 

I would like to confirm whether the Simplified Approach Option for HVAC Systems (ASHRAE 90.1-2016 Section 6.3) is acceptable for demonstrating compliance with EA Prerequisi

0

Metering heat pumps with shared ATES system

NC-v4 EAc3:Advanced energy metering
posted by  Yara Ibrahim  on 

All heating/cooling in our building  project is supplied by a heat pump, fed from an ATES system that is shared with other buildings on the property.

1
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Thu Dec 11, 2025, 9:27 pm

Overall Feedback on Pilot Credit

Pilot-Credits MRpc87:Verified Construction & Demolition Recycling Rates
posted by  Kavita Karmarkar  on 

As our project is located in Northern CA, it is not diffidult to achieve this credit as there are many haulers with third-party certified diversion rates (RCI) in the area.

5
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Greenwood Consulting Group
LEEDuser Premium Member
0 thumbs up
Wed Dec 10, 2025, 11:55 pm