Air inlet and outlet ducts in an HVAC system should not be positioned too close together to avoid recirculation, where rejected air is immediately sucked back into the fresh air intake.

normativepending

Speaker

Unidentified Speaker — Fundamentals of HVAC - Basics of HVAC [klggop60vlM]

Evidence Quote

“It's obviously Important not to have these two [ducts] too close together Because you just get recirculation So the ideally these would not be positioned so close”

Source

Fundamentals of HVAC - Basics of HVAC— The Engineering Mindset
Created: 8/13/2026, 4:57:53 AM

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