Hi all, For the people who have submitted for LEED (v3) using Trane Trace: To what level of detail do you model the heating and cooling cfm and exhaust cfm on room/zone level for large buildings?

For a LEED project that recently received the preliminary design review comments, we were asked to analyze and correct the documentation to comply with pre-requisite EAp2.

I was wondering whether anyone has come across the motor efficiency issue for projects outside the US.

I believe there is an error in the Minimum Energy Performance Calculator v2009, dated April 18 2016.

My building has four floors, and 4th flr is left empty for future use.

Hello, I'm working in the simulation of a building which has many HVAC zones defined so that should be modeled each ones as a separated thermical block but the zones of proposed building complies t

We have a project that consists of both residential and non residential units. Per 90.1 2007G3.1.1 exception a. we need to use two HVAC system types for residential and non-residential separately.

To comply with California codes we had to show compliance with Title 24-2013. This required us to use the proprietary program Energy Pro 6.

Hello, I would just like to ask regarding how I should model the ventilation system of my baseline model. My project is a hotel building which uses chilled water as its main cooling medium.

In some cases, such as Hospital operating rooms and Ice Rinks, you have to maintain indoor air dewpoint temperaturs lower than 44 F.