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Direct Exhaust Systems

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Erik Ruoff
Principal
The Green Engineer, Inc
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Thu, 07/08/2010 - 12:44

Erik- I've had this exact situation before! The good news for you is that since you are not using any return air as part of your supply system, you do not have to use the MERV 8 filters, as the MERV 8 requirement only applies to return air, not outside air. You still want to take steps, though, to make sure that construction dust and debris does not end up in your supply duct work by making sure the system is closed and sealing any branches that are not being used during construction.

Mon, 05/16/2011 - 17:38

In this case, how would you fill out the IEQc3.1 2009 template? Assuming the HVAC/AHU was being operated during construction. The LEED Online form asks you to select an option and this option would require filling information about the filtration media so I am just wondering how you could circumvent that via LEED Online. Maybe select the "special circumstances" option?
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Tristan Roberts
Representative
Vermont House of Representatives
LEEDuser Expert
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Thu, 05/26/2011 - 11:38

Courtney, the 'special circumstances" box sounds like the best option for this, I agree.

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