In an office building, shall meeting rooms (sporadically occupied within the schedule defined for the remaining occupied office areas) be considered an isolation zone according to ASHRAE 90.1 (2007

We have a data center project where the owner decided to design-build a dome structure because of the efficiencies inherent in this type of construction.

A client has asked for my advice in appealing the denial of PR2. I've taken a quick look at the review comments but will be digging deeper into it in the next couple of days.

Dear All:- we have two major renovated Building in India Building 01. No change in building envelope (used the existing wall, floor, window) but changes in whole MEP Design Building 02.

When a project would be classified under Major Renovation (our project is around 80% renovated) for the energy model, does the baseline have to be the same as Ashrae 90.1 envelope requirements or c

The project is a new facility, which has a new construction and renovation component. The new building is 6 stories tall, adjacent to an existing 3 story plus roof deck building.

Our project owner would like to register a Data Center under LEED NC V2009. May I know, do anyone know how to simulate the data center?

Hello all. Does anyone have experience with justifying that the lower full load efficiency of magnetic bearing chillers is ok due to their exceptionally high IPLV? ASHRAE 90.1-2007 and ARI 550/59

Hi All, I am working on a project with VRF system for a LEED 2009 certification.

Dear All, I am intending to model a building on campus which is connected to a campus energy system providing chilled water and hot water.