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Thermal Imaging, Infrared Cameras & Energy Audits Contains discussions about thermal imaging, infrared cameras, energy audits, and more.

 
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Old 9/4/10, 2:43 AM
Jason Kaylor Jason Kaylor is offline
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Default Re: Foam Insulation Requires roof Ventilation
Quote:
Originally Posted by Brian A. MacNeish View Post
Why ERV's? You've got almost no moisture to deal with there.......that's where better ERV's can help reduce a cooling load a bit by moisture transfer.....or are they thinking about saving winter moisture from being lost from the home??
ERVs do not remove moisture from the air. ERVs work way better in AZ than an HRV. You can seal a home down 100% and then bring the ducts in to the conditioned space with spray foam and have 0 moisture issues.

JJ
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