Hi, i'm working on an office building of 95,000sqm using a District Cooling System (DCS). I am using the HAP E20 software for simulation.

In relation to car park ventilation that will only operate in the event of high carbon monoxide i.e under normal circumstances will be off.

We've learned that for projects with partial renovation and partial expansion a new points thresholds should be calculated for EAc1.

We are modeling a new construction mall, and I would like to get another perspective on how to approach the zoning. The project will be applying for certification under LEED 2009 Core and Shell.

Hi, Is there any guidance on what service hot water consumption should be used in the energy model in USgal/h.pers or Lts/day/ person. What would USGBC look out for here ? Thanks in advance.

Hi All, In my project, proposed building has DX split unit HVAC System.

For projects registered under LEED-CS v2.0, is Title-24 2005 deemed equivalent to ASHRAE Standard 90.1-2004 for showing compliance with the EAc1 requirements?

I have an office building that will use solar pannels to generate hot sanitary water. But it will have an electric heaters aswell for back up. How can I consider this in my Model???.

Dear All, My question refers to the LEED Core and Shell modelling guidelines in Appendix 2 of the LEED BD&C guide. Under the subheading 'tenant spaces' it states that ...'...

Hi, we are certifying a new C&S building, in v2009. The version of Ashrae 90.1 to follow is 2007?