We are modeling a new LEED school building that is an addition of an existing complex buildings. The simulation was made using HAP. We are using the existing school chiller to provide water to...

Hi,
I am currently working on a LEED project which will pursue...

In the courtyard of the building that I’m modelling two charging columns for electric vehicles are going to be installed. Shall I consider them as...

Hello,

If in the proposed building there are plenums specified as return air path in the HVAC system, should I use them or ignore them in the baseline model?

Thank you,

Hello,

In the proposed design, the HVAC system operates using plenum zones as return air path. Should I use the plenums as return air path in the baseline model as well?

Thank you...

Table G3.1 in Appendix G requires only conditioned space be simulated as being both heated and cooled in the proposed design. The 90.1 User's manual further explains that a heated-only or...

I’m modeling the proposed design model and in order to compare it with the baseline model I want to calculate the F-factor of the slab-on-grade floor according to table A6.3 of ASHRAE 90.1-2007....

We are including a r&d / manufacturing space within our LEED project boundary that includes several pieces of testing equipment & support spaces which provide necessary conditions to...

I received a document by NAVFAC, which includes a statement that DOD and USGBC have agreed that BEQs are to be considered commercial facilities for transient populations under ASHRAE Std 90.1. I...

Is it mandatory to have recirculation (for a system 4)?