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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
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Thu Aug 28, 2025, 12:50 pm

Clarification on "Size Category (Input)" in ASHRAE 90.1-2010 Table 7.8

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

Hi everyone,

2
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Anurag Ghosh
Assistant Sustainability Manager
L&T Construction
LEEDuser Basic Member
2 thumbs up
Wed Aug 27, 2025, 1:55 pm
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Contact Adhesives - Testing conducted for "Open Plan Office Environment"

NC-v4 EQc2:Low emitting materials
posted by  Sean Smith  on 

I'm looking for a contact adhesive for a client and I can't seem to find any complaint product with CDPH testing that is tested to the private office scenario.

0

eQuest for international projects - Default climate data and other pre-installed databases missing

CS-v4 EAp2:Minimum energy performance
posted by  Marine Petrosyan  on 

Hi All!

1
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Thu Aug 21, 2025, 2:27 pm

LTc Bicycle Facilities Vincinity Map

NC-v4 LTc6:Bicycle facilities
posted by  Theresa Lehman  on 

I am working on a project seeking LEED certification located in a small rural community.

0
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IEQ PreReq - Carbon monoxide monitoring

NC-v4 EQp1:Minimum indoor air quality performance
posted by  Kim C  on 

The pre-requisite criteria speaks of having Carbon monoxide monitors installed in each dwelling unit. 

6
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Junaid Mujahid
Junior HVAC Design Engineer - Sustainability
PNC Architects
LEEDuser Basic Member
2 thumbs up
Tue Aug 19, 2025, 7:57 am
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CO concentration (ppm) thresholds for alarms in dwelling units

NC-v4 EQp1:Minimum indoor air quality performance
posted by  Junaid Mujahid  on 

Hi Everyone,

0
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EQpc123 Designing with nature

CS-v4 INc1:Innovation
posted by  Triple Green Building Group  on 

I have been documenting this as an innovation for a long time, but now attempt it as a pilot credit for a first time due to the requirement to have at least one pilot credit for the total 5 points.

0

Client wants to move to USGBC Approved Template instead of sharing via Energy Star Portfolio Manager after LEED Certification

NC-v4 EAp3:Building-level energy metering
posted by  Edgar Arevalo  on 

I ran into a bit of a pickle.

2
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Edgar Arevalo
Energy Engineer
ads ENGINEERS, DPC
LEEDuser Basic Member
21 thumbs up
Wed Aug 13, 2025, 3:45 pm
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Scoreboard as Signage?

NC-v4 SSc6:Light pollution reduction
posted by  Laura Marchand  on 

Does anyone have experience on whether a scoreboard for a sports stadium would fall into "internally illuminated exterior signage"?

1
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Erica Downs
Sustainability Consultant
The Green Engineer
LEEDuser Premium Member
7 thumbs up
Tue Aug 12, 2025, 9:05 pm