Does anybody know wich option (roll out mats or permanent entryway systems ) is more efficient/clean for an hospital?

This credit states to exhaust hazardous spaces with no air recirculation.

There's been discussions about rubber mats but we are dealing with a question concerning rubber grating that will come with a non-slip metal frame. Per our understanding, being grates, no weekly m

OK, so a reviewer directed me to the 2011 ASHRAE HVAC Applications Handbook.

Context: The vestibule of our commercial building has entry/exit portals; but only leads users to an unenclosed (shell-like, meaning walls on two sides and two big openings to pass thru, and a trel

The MEP on our project has designed the AHUs to have filters in series for the pre-heat coil (MERV 11) and chilled water coil (MERV 8).

What happens if the printers are situated with the open plan office - not a dedicated room. Does the printer need to be a particular spec ?

I am currently working on a project which has 6 retail outlets in a very big building for the users in that building.

We've heard that per a recent LEED clarification for filtration credit requirements, MERV 13 filtration is required on ALL outdoor air handling units, not just those serving regularly occupied spac

I am working on a project which attempts for IEQ C5. When listing the list of rooms to be considered for credit compliance as per LEED V3 (i.e.