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Created on LEED Interpretation

ID#

li-5318

Credit NameEQc3 - Moisture control
Credit CategoryIndoor environmental quality
International ApplicableNo
Campus ApplicableNo

Rating System

LEED BD+C: Homes, LEED BD+C: Multifamily Midrise

Rating System Version

v3 - LEED 2008

Inquiry

EQ credit 3 requires the project to "install dehumidification equipment with sufficient latent capacity to maintain relative humidity at or below 60%". Under what conditions should this RH requirement be met - at design conditions? 100% of the year? 95%? Requiring hourly calculations might be overly burdensome.\n\nWhat latent loads are assumed in the house? It\'s always possible to have 10 people living there and running the shower continuously. I think it would be helpful to have LEED spell out the latent loads they\'d like to have considered. I\'d suggest relying on ASHRAE Fundamentals or something similar.

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