For a building I have to use the Building Area Method (ASHRAE 90.1-2007, 9.5.1) because some calculations were already developed through that method and now changing the method would be complicated

Hi Everyone! The project that we're working on will be in a country where the local code requires more outdoor air than 62.1 at most of the zone types.

We are working on a Project with a central 100%OA AHU. We calculated the pressure drop adjustment for the baseline Systems 7 following ASHRAE 90.1-2007 table G3.1.2.9.

We are working on a retail mall where each tenant retail space is provided with a chilled water tap off.

Good day, I need to understand some thigs about 5.4, 8.4 and 10.4 of standar ashrae 90.1-2007.(My project is in Perú) 5.4- 5.4.1-'' Where insulation is required in 5.5 or 5.6, it shall comply with

Our project is a CS mixed use: hopefully this is not too general a question. We cannot get the table EAp2-6 to pull down results from the previous tables.

Hi, I am developing a simulation (EAP2/LEED CS) for an existing building located in Rio de Janeiro.

Does anyone know whether LED monitors for advertisement are considered as exterior lighting? Does it need to comply with the 2.2W/m2 Exterior LPD requirement as stipulated in ASHRAE 90.1?

Hi we are doing the eap2 modelling for a 18 floor office building. the floors are all the same. we need to submit the modelling results for precertification.