Air Vent Case Study: Balanced Attic Ventilation vs. Unbalanced Attic Ventilation

On both the “before” (unbalanced attic ventilation) and the “after” (balanced attic ventilation) test days thermo-graphic photo readings were taken during 12-hour periods on days with similar maximum outdoor temperatures and solar insolation (the radiant heat energy from the sun that heats the roof deck).

 

The unbalanced attic consisted of a mix of ridge vents and electric power fans without intake ventilation. The balanced attic consisted of electric power fans repositioned for maximum efficiency and Air Vent’s new Edge Vent™ – a shingle-over intake vent.

 

unbalanced before balanced after

Before: Unbalanced / After: Balanced

 

Read more about the case study in a three-page “Executive Summary” (PDF 76k) authored by the 3rd Party RME or our one-page “quick hit” summary (PDF 1MB).

 

pdf Air Vent Case Study: Balanced Attic Ventilation vs. Unbalanced Attic Ventilation - Three Page "Executive Summary" (72 KB)

pdf Air Vent Case Study: Balanced Attic Ventilation vs. Unbalanced Attic Ventilation - One Page "Quick Hit" Summary (1.05 MB)

 

 

 

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