Dear all,
This covers more than just ventilation but as this is the most important I put all facts and questions down here.
An existing building from the 1970s is undergoing...

I appreciate your interpretations on the ASHRAE 62.1 regarding the requirement for naturally ventilated spaces:

5.1.1 Location and Size of Openings: Naturally ventilated
spaces shall...

I am working on a project with similar spaces repeating on each floor. I know LEED allows one to group spaces in some credits. However, the LEED online template says "Complete the following table...

For our LEED CSv2.0 project, we have been asked to provide a proposed tenant layout for approximately 6 office spaces. There are (2) office spaces and (1) corridor space for each of (3) Roof Top...

We are working on a C&S project but in the middle of the design phase we learned that a gym will lease three floors.
Air handling units will be installed on all floors except in the gym...

We are working on a natural ventilated CS office building. The Leedonline form asks to fill in a table with the operable window area, in order to calculate ratio of window to occupiable area....

We are working on a CS naturally ventilated office Building. In the leed online form for this credit there is an option: "The space is an engineered natural ventilation system approved by the...

For our LEED-CS project, there is no central HVAC system within the buidling. The tenant of the retail area will have to install their own equipment such as split-type A/C, fresh air fan, kitchen...

Im working on a C&S building and we have two space types: office and meting rooms. I would like to know if I can use occupant diversity (D) for the outdoor air calculations. The ventilation...

There are one big manufacturing space in my project for which I have to determine mechanically ventilation levels/
No rates for industrial zones I've found in ASHRAE standard 62.1-2007....