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Requirements of section 5.4.3.4 of ASHRAE 90.1-2007

NC-2009 EAp2:Minimum Energy Performance
posted by  Maurizio Sabatino Pirocchi  on 

Hi,

I have a question concerning  requirements of section 5.4.3.4 of ASHRAE 90.1-2007.

1
Tue Apr 10, 2018, 3:33 pm

U-values for mixed-use building

NC-2009 EAp2:Minimum Energy Performance
posted by  Francesco Passerini  on 

For the baseline model relative to a building where a part is residential (4 floors) and another part nonresidential (ground floor), shall the envelope of the nonresidential part respect the U-valu

1
Tue Apr 10, 2018, 3:26 pm
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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 

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?

1
Fri Mar 30, 2018, 7:57 pm
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Interior regular occupied space with exterior views

NC-v4 EQc8:Quality views
posted by  Ricardo Sá  on 

Hi there,

1
Fri Mar 23, 2018, 6:23 pm

Hz for mandatory provisions for fans

NC-v4 EAp2:Minimum energy performance
posted by  Francesco Passerini  on 

In order to verify whether a fan is compliant with the mandatory provisions we have to consider Table 10.8B, haven't we?

3
Thu Mar 22, 2018, 3:39 pm

Balconies / covered terraces as vegetated roof

CS-v4 SSc2:Site development - protect or restore habitat
posted by  David Lazaro  on 

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

1
Thu Mar 15, 2018, 6:09 pm

ISO 14024 Type I ecolabels

NC-v4 MRc2:Building product disclosure and optimization - environmental product declarations
posted by  Cristina Roson  on 

Hi you all, We have a project which is going to pursue both LEED and BREEAM ES cetifications (BREEAM ES as the spanish adaptation for BREEAM).

2
Profile picture for user Nadav Malin
Nadav Malin
CEO
Green Commons, LLC
LEEDuser Expert
586 thumbs up
Wed Mar 14, 2018, 5:23 pm
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LEED V4 - Retail Vs Core&Shell

LEED Rating System Selection
posted by  Ricardo Sá  on 

Dear All,

 

We are currently working with a client that is developing a project that includes:

 

3
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Ricardo Sá
Director of Sustainability
Edifícios Saudáveis Consultores (503 910 767)
LEEDuser Basic Member
79 thumbs up
Thu Mar 8, 2018, 7:02 pm
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Water Coil Sizing, heating and cooling

NC-v4 EAp2:Minimum energy performance
posted by  Giuseppina Amorusi  on 

Hi all! I have a problem with water coil sizing. I set the following parameters for cooling and heating: 

 

4
Thu Mar 8, 2018, 2:50 pm
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Eligibility - roof areas in the calculations of restored area and activated area

CS-v4 SSc2:Site development - protect or restore habitat
posted by  Ricardo Sá  on 

Dear All,

We are currently working in a project of a retail building with the following characteristics:

0