I've been hearing recommendations for bipolar ionization, as a way to filter airborne virus particles in HVAC systems while avoiding the energy penalty of increased ventilation.

The v4 reference manual states "locate on a site that is entirely outside any flood hazard area shown on a legally adopted flood hazard map...".  For projects without a flood map, it says to l

I understand that I can re-use asphalt and concrete paving on the site for this credit, but does this also apply to the 6" type "A" crushed stone aggregate base below these paving types.

Hello everyone,

Does anyone know or have experience demonstrating that, Seasonal Commissioning, a requirement  of the enhanced commissioning credit has been met in Singapore? 

Hello,

The credit language does not specify the best means of documentation for stair feature option #9 (Use inviting sensory stimulation such as artwork and/or music in stairwells.Elsewher

I recall an LI or Addendum from v2009 whereby certain smaller units were exempt from MERV 13 filtration as it is just not feasible on those units, am I remembering correctly?

In order to meet the Path 1 requirement for the Indoor Air Quality Assessment, does Ozone sampling need to be performed regardless if the facility is in an EPA Non-attainment zone or not?

Has there been any development on sample documents regarding the Covid-19 related pilot credits?