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Medical space types not listed in the Minimum IAQ Performance Calculator

Healthcare-v4 EQp1:Minimum indoor air quality performance
posted by  Edgar Arevalo  on 

I am currently working on a LEED v4 Healthcare project, and the Minimum IAQ Performance calculator does not have space types that would be typical for a medical center or hospital.  I feel we

4
Senior Energy Wizard
TLC Engineering Solutions
LEEDuser Premium Member
44 thumbs up
Mon Aug 11, 2025, 10:06 pm

Cool walls materials database

Pilot-Credits SSpc154:Heat Island Mitigation with Cool Walls
posted by  Mariel Rivera  on 

Hello LEEDusers!

Do you know if there is a database where I can find "cool walls" materials, which includes manufacterers and values needed?

4
Tue Aug 12, 2025, 7:29 pm

Sourcing of Raw Materials - Materials Reuse in a Historic Building

NC-v4.1 MRc3:Sourcing of Raw Materials
posted by  Ruth Kurz  on 

Hi all, we are in the process of completely renovating a historic office tower with the aim of achieving a LEED CS Gold certification.

2
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Sustainable Design Director
Bell Architects
LEEDuser Premium Member
40 thumbs up
Mon Aug 11, 2025, 8:12 pm

v4.1 MRc3 Sourcing of Raw Materials Reuse Valuation

NC-v4.1 MRc3:Sourcing of Raw Materials
posted by  Laura Long  on 

We are working on a large warehouse addition and plan on reusing the exterior wall of the main warehouse as one of the exterior walls of the new warehouse.  There will be minor penetratio

1
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Sustainable Design Director
Bell Architects
LEEDuser Premium Member
40 thumbs up
Mon Aug 11, 2025, 8:07 pm

Integrative Analysis of Building Materials

Pilot-Credits MRpc103:Integrative Analysis of Building Materials
posted by  Chris Lombardo  on 

Our project team pursued this credit and found it easliy achievable given the pursuit of the MRc BPDO (EPD/HPD) credit categories.

16
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Sustainability Project Manager
The Sheward Partnership LLC
LEEDuser Premium Member
0 thumbs up
Fri Aug 8, 2025, 6:40 pm

Number of sample Locations for IAQ Testing for EQ Credits

LEED v4.1 Discussion Forum
posted by  Robert Cashins  on 

I have a new office ~4,000 sq. ft.

It is heated and cooled by one Variable Refrigerant Flow unit on the roof that feeds nine Fan Coil Units within the space.

0

v4.1 Renewable energy with v4.0 EAc2 Energy Performance

NC-v4.1 EAc5:Renewable Energy
posted by  Chris Flint Chatto  on 

Just want to make sure its OK to use the v4.1 version of renewable energy credit with a v4.0 project that is using the v4.0 version  of EAc2 Energy Performance. 

6
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Green Building Specialist
LS3P Associates Ltd.
LEEDuser Premium Member
0 thumbs up
Fri Aug 8, 2025, 2:24 pm

MRpc103 Integrative Analysis of Building Materials

NC-v4 INc1:Innovation
posted by  Rosa Cheney  on 

This is not the first time we have pursued this credit.  We ended up doing new materials/products for this project compared to others.

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Case 3 - On-site electricity storage

NC-v4.1 EAc4:Grid Harmonization
posted by  Tine Steen Larsen  on 

How is the use of batteries evaluated under case 3 "On-site thermal and/or electricity storage: demonstrate that strategy reduces on-peak load by at least 10% as compared to peak electrical dem

0