See all forum discussions about NC-2009 IEQp1
 Subscribe to new posts about NC-2009 IEQp1 Post a new question aboutNC-2009 IEQp1
See LEEDuser’s guidance on NC-2009 IEQp1»
FAQs about IEQp1 :

Is outdoor air quality testing required in a space using natural ventilation?

For a space designed to be naturally ventilated, can operable windows or vents be used to satisfy the 62.1-2007 requirements?

What options are available to projects outside the US to meet this prerequisite?

Can LEED 2009 projects elect to follow ASHRAE 62.1-2010 for this prerequisite?

Which units should be included in the calculations for this prerequisite?

View answers »

Forum discussion

NC-2009 IEQp1:Minimum IAQ Performance

IEQp1: Title 24-2008 in lieu of ASHRAE 62.1-2007?

Profile picture for user leticia
Leticia SooHoo
Architect, Senior Project Manager
IA Interior Architects
LEEDuser Basic Member
52 thumbs up

Fellow #LEED professionals: has anyone meet the requirements of IEQp1 using CA Title 24-2008 ventilation requirements in lieu of ASHRAE 62.1-2007?

2
Post a reply

You rely on LEEDuser. Can we rely on you?

LEEDuser is supported by our premium members, not by advertisers.

Go premium for $15.95  »

Profile picture for user rchan
Roger Chang
Principal, Energy and Engineering Leader
DLR Group | Westlake Reed Leskosky
LEEDuser Expert
267 thumbs up

Thu, 05/26/2011 - 13:33

ASHRAE 62.1-2007 is actually more stringent than T24-2008 for multiple-zone systems (e.g. single duct VAV) in some instances. You'd want to do the calculations both ways and ensure the system level ventialtion rate is the higher of the two.

Add new comment

To post a comment, you need to register for a LEEDuser Basic membership (free) or login to your existing profile.