Working on a 160,000 SF retail store. This credit seems to be very tricky and unclear how it may apply to a "big-box" retail situation, such as Wal-Mart. The prototype is large box retail...

For those of us still using ceiling diffusers: What types (if any) have been accepted by the reviewers as having "adequate control"? My project has enough in place to meet the # per occupant,...

I understand the typical methods for achieving this credit, i.e., underfloor air, etc. And I have documented this on other project (under NC v2.2). But I have a project where the approach may...

For IEQ2, in the fire truck bays,we have windows on the rear of the building and operable doors on the front. Can we count the doors as operable windows under "Natural Ventilated Spaces".