Should the contractor who installed my two bathroom fans have connected the exhaust ducts to the roof vent hole? Or is this an acceptable venting method? : r/hvacadvice
Bathroom vent piping to "Near Exterior"? - Inspecting HVAC Systems - InterNACHI®️ Forum
How To Replace And Install A Bathroom Exhaust Fan From Start To Finish For Beginners! | Easy DIY - YouTube