Does anyone know about the modeling baseline of the a data center. Can we use 90.1 or do we have to use something else?

For LEED 2009, when modeling the proposed building which incorporates the DES (Method 2) how is the DES plant modeled? As the central plant is huge in comparison to the proposed building load, is

According to the Advance Energy Modeling for LEED, page 49 option 1, I should model all upstream equipment as cost neutral.

This question is about the modeling the exterior lighting in accordance with ASHRAE 90.1-2007.

Determine the interior lighting power allowance by using the columns designated Space-by-Space Method in Table 9.6.1.

For system 6 (Packaged VAV with reheat) are both the VAV fans in the AHUs and the CAV fans in the PFP boxes considered among the "supply and return fans"?

Dear All, I've been reading through the details of modeling a district heating / cooling plant, and it seems rather complicated!

Hi all.

in EA P2, it's written to comply with mandatory provisions which are for example 5.4 which is related to Building envelope under Option 1.

We are following the option 2 ASHRAE AEDG presciptive path for a project. One of the AEDG requirements for HVAC is for a heat pump >135 kBtuh to be at minimum 10.1 EER or above.