InterNACHI®️ Forum
Return vents
Miscellaneous Inspection Topics
AskNACHI.org Questions
system
(system)
September 28, 2013, 4:57am
1
Is it ok to place filters in return vents for a HVAC unit ?
dgrace1
(Derek Grace, CMI)
September 28, 2013, 3:45pm
2
Many systems are designed that way…