Cooling system in our project (shopping mall) consists of dry-coolers sprayed with water. What are ASHRAE efficiency requirements for dry-coolers?

Hi, I have a question concerning the the function of a elevator lobby as a vestibule. Regarding to Standard 90.1, every building entrance that separate cond.

Hello, I’m working in a Core & Shell building in Bogota, Colombia.

Hello Everyone, I have an office project which is designed to use a little compicated HVAC system.

I would like to check if the Carrier model 30RQ0262 (COPc=2,62 according ARHI test 550/590 despite ASHRAE requires ARI 340/360) will meet that Mandatory Provisions in terms of Equipment Efficiency.

Hi all, I need to model in Energy Plus several "Air - Water Heat Pumps": heat pumps that use air as energy source and water as fluid for conditioning.

Dear fellow modelers, I have a query regarding modeling and saving percentage calculation for datacenter buildings for LEED CS -2009.

I have a CS project in Seattle and would like to use the local energy code as the basis of design for areas outside of the Owner's scope of work.

Hello, We have a building which is going under major renovations, one of the most important is replacing old operable windows by new windows with new frames and glasses.

Hello! I had submit a project for cs2009, and got some comments confused. The project is a high rise building consists of retails, restaurants and offices.