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?

Hi there,

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

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

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).

Dear All,

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

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

Dear All,

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

The corridors are separated from the staircase by two doors in order to create a space (buffer space) whose walls and doors are fire-resistant.

Hi all,

I’m modeling for a project under LEED CS v4 according to ASHRAE 90.1-2010.

I know that unmet hours shall not exceed 300 .