I am using HAP to model a system consisting of water-source heat pumps. I am required to input the ARI/ISO efficiency. My problem is that the heat pumps are two-stage and have both full and...

Our mechanical engneer/energy modeler just contacted me to ask about a discrepancy in our square footages from what we have entered on PIf2 on LEED Online, and what he has input in the energy...

Dear all,

I received the following review comment for my school project:

"Tables EAp2.4 and EAp2.5 report consumptions for process lighting for both cases, but it is unclear what...

Dear all,

I was checking Table 9.5.1 of ASHRAE 90.1-2007 (Lighting Power Densities Using the Building Area Method), and there is a footnote saying "In cases where both a general building...

In this Table, are we supposed to list EVERY room in the building, or group similar rooms to together? This table seems a lot like what is in PI f3 (Table PI f3 Space Usage Type) - but that one...

Dear all,

I am currently filling the LEED Online Letter templates. Some of these are BETA version. Until now, I am having no problems/bugs.

It it possible that the USGBC asks to...

In review of this site it appears that like most things in our society more is better. I will be submitting this prerequisite. soon along with EAcredit 1 and I am curious if someone who has...

Dear all,

I would like to inquire more about the Target Finder Rating tool. Assuming I entered the consumption values and all input parameters, I will generate an energy performance rating...

The school we are assessing is not based in the US. Since the EPA's target finder rating tool requires a US Zip code, can I presume that we're exempt from using this tool ? How do we then...