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.

We are developing a building which has a cleaning storage rooms and all the cleaning products are closed/sealed except for temporary use (1 use per day). We want to persue the Ashrae 62.1-2007 by u

Our LEED project building has a large three floor basement parking (74900 ft2) with small enclosed lobbies (with self-closing doors) connecting occupants to the office floors above.

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).

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

I am working on a multi-family residential project that includes some shell & core future retail space on the ground floor.