We're using Option 1 of the "Treatment of District or Campus Thermal Energy in LEED v2 and LEED 2009 - Design and Construction" document to comply with EAp2 / EAc1.

Greetings, In the project we are modeling, there are air conditioners which are supposed to operate in cooling mode at OA temperature close to the design heating OA. In this table and also in othe

Hello all, We are attempting to model a cogen system (using gas to create electricity and using waste heat for domestic water heating). My questions are as follows: 1.

We have project using district steam. We use DES v2 to calculate the virtual rate based on state averaged electricity (0.084$/kWh) and gas (0.00757$/MBTU).

Hi ! According to building envelope compliance documentation Part I, revolvning doors should have air leakage less than 1,0 cfm/ft2. A manufacturer of revolving doors informed me that all revolvin

Hi, The service water system in this building is heated by solar thermal collectors only, with no secondary heating system.

Hi everyone, We are working on a major renovation project where the owner wants to install roof insulation above the suspended ceiling.

I am trying to Calculate the required Pressure Drop adjustment for a lab facility, using Addenda "p" from ASHREA 90.1-2007.

I may have helped you, now it's your turn to help us all. The USGBC is seeking input and information related to the modeling of naturally ventilated and naturally conditioned buildings.