Hi,

I have calculated the U-Value of a Slab on Grade Floor to be 0.12 (metric) using 100mm insulation. The Leed reviewer wants to see the F-Factor equivalent in agreement with ASHRAE 90.1...

Has anyone any feedback in modelling either of these two chillers in a 90.1 Energy model. Are people finding that the large fans in the dry air cooler adds a significant additional electrical...

For a building I have to use the Building Area Method (ASHRAE 90.1-2007, 9.5.1) because some calculations were already developed through that method and now changing the method would be...

For the calculation of the % of energy cost influenced or directly controlled by CS Owner/Developer would the the latter be compared to the total energy cost of the proposed and not the baseline...

Cooling system in our project (shopping mall) consists of dry-coolers sprayed with water. What are ASHRAE efficiency requirements for dry-coolers? Should they be qualified as air-cooled...

We have an office core/shell project that we are considering for certification. The Owner may want to just design a small mechanical unit to service the restrooms and not much more. The future...

I am working on a project, which is going for LEED C&S. The project has tenant occupied space, which has designed HVAC system for it. I want to know if there is any provision for modelling...

Hi, I am new to LEED and looking at the energy model submitted by our consultant for the compliance on EAp2. I have a basic question. Should the base case scenario and the real project be...

Hi, can you kindly clarify whether the glazing percentage and floor area for the base case needs to match the project case when reviewing compliance for EAp2?

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. space from the exterior...