Hi,

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

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

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

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

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 .

The v4_Minimum Energy Performance Calculator_v05 states that "Mandatory step controls are included in the proposed, and modeled in the baseline for all spaces enclosed by ceiling height partitions

The Reference Guide at p. 460 states:

"For any projects using energy model Path 1, green power and offsets used in a DES do not contribute toward the credit for connected building".

In order to calculated the points relative to NC-v4 EAc2 - Optimize energy performance shall the produced electric energy from a renewable source that is sold to the national gri

In the refurbishment that was designed internal partitions will be removed and the rooms will become bigger than the existing ones.