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How to enter R-424a in the calculator form?

EBOM-v4 EAc8: Enhanced Refrigerant Management
posted by MIGUEL BERNABEU ALTED on Mar 27, 2018, 10:03 am

As far as I know, R-424A, also known as RS-44, is a blend of HFC125, HFC134a, and others... 

¿How should I work with this refrigerant in the sample form?

Last reply: Trista Brown, Mar 30, 2018, 3:57 pm

Balconies / covered terraces as vegetated roof

CS-v4 SSc2: Site development - protect or restore habitat
posted by David Lazaro on Mar 15, 2018, 1:45 pm

Could someone please tell me if balconies or covered terraces can count as vegetated roof?

Last reply: emily reese moody, Mar 15, 2018, 2:09 pm

ISO 14024 Type I ecolabels

NC-v4 MRc2: Building product disclosure and optimization - environmental product declarations
posted by Cristina Roson on May 23, 2017, 9:57 am

Hi you all,

We have a project which is going to pursue both LEED and...

Last reply: lucy crane, Mar 14, 2018, 1:23 pm

Proving compliance with other 3rd party tests

NC-v4 EQc2: Low-emitting materials
posted by F. Borja López Calle on Mar 5, 2018, 3:46 am


I am working on a project in Spain and we are having trouble finding materials that comply with the requirements (especially paints). Most of the providers don't have a General...

Last reply: Reinhard Oppl, Mar 5, 2018, 1:36 pm

LEED CI V4 from LEED CS 2009

CS-v4 SSc7: Tenant Design and Construction Guidelines
posted by Belén Valladares López on Jun 20, 2017, 12:04 pm

We are working with a project that falls under LEED CS 2009.
We are pursuing credit SSc9 tenant desing & construction guidelines, but as the building is under construction any future...

Last reply: David Menk, Feb 22, 2018, 4:39 pm

Defining a product

Pilot-Credits MRpc52: Material multi-attribute assessment
posted by Xavi Ramon on Feb 21, 2018, 7:23 am

Dear Mr Mrs,

I would like to know if for pilot credit Material multi-attribute assessment in LEEDC&S v3, should I take into account different products selection as is mentioned in LEED...

Transportation rate threshold between 45% and 50%

EBOM-v4 LTc1: Alternative Transportation
posted by Laura Danzig on Feb 2, 2018, 5:21 am

Hi all,

I am pursuing option 2 of this credit- using a survey to monitor alternative transportation methods. After having calculated the rate using the alternative transportation...

Last reply: Tristan Roberts, Feb 2, 2018, 9:47 am


CS-2009 IEQc4.3: Low-emitting materials - flooring systems
posted by Carlos Salas on Jan 29, 2018, 10:12 am

hola, en un ensayo de emisiones COV, ¿el formaldehido se debe tener en cuenta? Un suelo técnico formado con una madera encapsulada metalica, debe cumplir el test CPHD?

MRp2 & SSc2

EBOM-v4 MPR2: Must use reasonable LEED boundaries
posted by Laura Danzig on Jan 18, 2018, 5:59 am

Paula Melton Editorial Director BuildingGreen, Inc. LEEDuser Moderator 180 thumbs up January 18, 2018- 10:55 am Laura, Despite the SSc2 calculations, I do not believe that you should include the other building in your project boundary since you are not also certifying that building. Consider cross-posting to the SSc2 forum to see if others have insights on how this has worked for them in the past. Log in or register to post comments Trista Brown Project Director WSP USA LEEDuser Basic Member 449 thumbs up January 26, 2018- 3:09 pm Hi Laura, I think you'll probably want to follow the same...

Last reply: Trista Brown, Jan 26, 2018, 3:09 pm

Selling renewable energy

CI-v4 EAc4: Renewable energy production
posted by Borja Sánchez on Jan 25, 2018, 8:15 am

Our project has a photovoltaic array that generates electricity which it´s sent totally to the grid, not being consumed directly in the building. This electricity it’s not sold to a specific user...

Last reply: Marcus Sheffer, Jan 25, 2018, 12:38 pm