The following video produced by Titus illustrates the difference between supply ductwork, return ductwork, and ventilation ductwork.
This video is posted with permission from Titus. As referenced in HVAC Systems: Understanding the Basics.
Supply, Return, Ventilation, and Exhaust Air
This video produced by Titus helps illustrates the difference between supply ductwork, return ductwork, and ventilation ductwork.
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