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
Broan-NuTone 3 in. to 4 in. Roof Vent Kit for Round Duct Steel in Black RVK1A - The Home Depot
Shop Bath/Kitchen Exhaust Roof Vents | Fast Shipping | FAMCO
Proper Way to Vent Bathroom Exhaust Fan? (More Info in Comments) : r/hvacadvice